Avaya Configuring IP Services Uživatelský manuál

Part No. 303528-A Rev 00October 1998BayRS Version 13.00Site Manager Software Version 7.00 BCC Version 4.05 Configuring IP Services

x303528-A Rev 00Chapter 7 Customizing OSPF ServicesOSPF Concepts and Terminology ...

Configuring IP Services4-24303528-A Rev 00Customizing the IP Routing Table StructureStructurally, the IP routing table consists of indexes and entries

Configuring and Customizing IP303528-A Rev 004-25 Specifying the Percentage of Buffers Available to ARPBy default, ARP can use 100 percent of the avai

Configuring IP Services4-26303528-A Rev 00Customizing an IP InterfaceAn IP network interface consists of a physical circuit configured with the approp

Configuring and Customizing IP303528-A Rev 004-27 Note: When you reconfigure an interface in dynamic mode, IP restarts on that interface. Thus, if the

Configuring IP Services4-28303528-A Rev 00When you configure an IP interface on a circuit, the interface is enabled with default values for all interf

Configuring and Customizing IP303528-A Rev 004-29 Navigating the BCC to an IP Interface PromptBeginning at the prompt for the slot/connector on which

Configuring IP Services4-30303528-A Rev 00Opening the Site Manager Window for IP Interface ParametersUse the following Site Manager procedure to open

Configuring and Customizing IP303528-A Rev 004-31 Configuring a Multinet InterfaceThe multinet capability allows you to assign multiple IP network/sub

Configuring IP Services4-32303528-A Rev 00Disabling and Reenabling an IP InterfaceWhen you configure an IP interface on a circuit, the interface is au

Configuring and Customizing IP303528-A Rev 004-33 Specifying a Broadcast Address for an InterfaceIn broadcasting, the IP router transmits a single pac

303528-A Rev 00xiSetting the Poll Interval for NBMA Neighbors ...7-41Specifying the Metric Cost

Configuring IP Services4-34303528-A Rev 00Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window, c

Configuring and Customizing IP303528-A Rev 004-35 Specifying a Subnet Broadcast AddressYou configure a broadcast address for a subnet differently from

Configuring IP Services4-36303528-A Rev 00Using Site ManagerEnabling MTU Discovery on an InterfaceA probe MTU is a request for the maximum transmissio

Configuring and Customizing IP303528-A Rev 004-37 Using the BCCNavigate to an IP interface-specific prompt and enter:mtu-discovery statestate is one o

Configuring IP Services4-38303528-A Rev 00Enabling and Disabling ICMP Address-Mask RepliesYou can configure IP to generate ICMP (Internet Control Mess

Configuring and Customizing IP303528-A Rev 004-39 Using Site ManagerDisabling and Reenabling ICMP Redirect MessagesAn ICMP redirect is a message sent

Configuring IP Services4-40303528-A Rev 00Using the BCCNavigate to an IP interface-specific prompt and enter:redirects statestate is one of the follow

Configuring and Customizing IP303528-A Rev 004-41 Enabling All-Subnet Broadcasting on an InterfaceAn all-subnet broadcast (ASB) datagram has a destina

Configuring IP Services4-42303528-A Rev 00Using Site ManagerDisabling UDP Checksum Processing on the InterfaceBy default, UDP checksum processing is e

Configuring and Customizing IP303528-A Rev 004-43 Using Site ManagerUse the default in virtually all instances. Disable UDP checksum processing to pro

xii303528-A Rev 00Configuring BGP Globally ...8-10Enabling

Configuring IP Services4-44303528-A Rev 00To configure this parameter for a multinet or multigroup configuration, refer to Configuring SMDS.Enabling S

Configuring and Customizing IP303528-A Rev 004-45 Upon receiving the packet from the token ring network, the peer router strips off the RIF and contin

Configuring IP Services4-46303528-A Rev 00You can use the following Site Manager procedure to configure source route end-node support on a per-circuit

Configuring and Customizing IP303528-A Rev 004-47 Configuring an SMDS AddressBy default, if the interface is connected to an SMDS network, IP uses the

Configuring IP Services4-48303528-A Rev 00Configuring a WAN Address for a Frame Relay NetworkIf an interface is connected to a frame relay network, yo

Configuring and Customizing IP303528-A Rev 004-49 Specifying the Maximum Size of the Forwarding TableTo minimize the amount of time it spends looking

Configuring IP Services4-50303528-A Rev 00By default, IP allocates a cache for 128 destination entries on the interface. You can specify a different c

Configuring and Customizing IP303528-A Rev 004-51 Configuring an Interface for an ATM Logical IP SubnetRFC 1577, “Classical IP and ARP over ATM,” is a

Configuring IP Services4-52303528-A Rev 00To specify a server registration interval, navigate to an IP interface-specific prompt and enter:arp-server-

Configuring and Customizing IP303528-A Rev 004-53 Configuring an Adjacent Host AddressAn adjacent host is a device on a locally attached network. This

303528-A Rev 00xiiiConfiguring BGP Accept and Announce Policies ...8-55Defining a BGP Accept Pol

Configuring IP Services4-54303528-A Rev 00Table 4-4. Adjacent Host BCC ParametersParameter Value/Default Description/InstructionsEnable Enabled (defau

Configuring and Customizing IP303528-A Rev 004-55 Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager w

Configuring IP Services4-56303528-A Rev 00Defining a Static RouteA static route is a manually configured route that specifies the transmission path a

Configuring and Customizing IP303528-A Rev 004-57 Using the BCCNavigate to the global IP prompt and enter:static-route address destination mask ip_mas

Configuring IP Services4-58303528-A Rev 00Mask The destination IP address mask you supplied when you configured the static route. You cannot modify th

Configuring and Customizing IP303528-A Rev 004-59 For example, the following command line configures a static route to destination 3.2.4.5/255.255.0.0

Configuring IP Services4-60303528-A Rev 00Defining a Static Default RouteIf IP receives a data packet with a destination address that it is unable to

Configuring and Customizing IP303528-A Rev 004-61 Configuring and Customizing Router DiscoveryBefore a host can send IP datagrams beyond its directly

Configuring IP Services4-62303528-A Rev 00Enabling and Disabling Router DiscoveryYou can use Site Manager to enable and disable Router Discovery on an

Configuring and Customizing IP303528-A Rev 004-63 Specifying a Minimum Time Interval Between AdvertisementsYou can use Site Manager to specify the min

xiv303528-A Rev 00Chapter 10 Configuring RIPSO on an IP InterfaceSecurity Label Format ...

Configuring IP Services4-64303528-A Rev 00Configuring the Lifetime of Advertised AddressesYou can use Site Manager to specify the maximum length of ti

303528-A Rev 005-1 Chapter 5Configuring Address ResolutionYou configure address resolution by setting parameters as described under the following topi

Configuring IP Services5-2303528-A Rev 00ARP OverviewThe IP router needs both a physical address and an IP address to transmit a datagram. In situatio

Configuring Address Resolution303528-A Rev 005-3 In Figure 5-1, the router wants to send a packet to host C but knows only host C’s IP address. The ro

Configuring IP Services5-4303528-A Rev 00Enabling and Disabling Global ARPARP is configured and enabled on the router at startup. You can use the BCC

Configuring Address Resolution303528-A Rev 005-5 Customizing Global ARP CharacteristicsYou can use the BCC or Site Manager to do the following:• Contr

Configuring IP Services5-6303528-A Rev 00Selecting an Address Resolution Scheme for an IP InterfaceIn addition to ARP, IP supports Inverse ARP, HP Pro

Configuring Address Resolution303528-A Rev 005-7 By default, ARP is enabled on the interface. You can use the BCC or Site Manager to specify an addres

Configuring IP Services5-8303528-A Rev 00Selecting an Encapsulation Option for ARP and ProbeIf you select ARP, Probe, or ARP/Probe, you must also sele

Configuring Address Resolution303528-A Rev 005-9 Enabling Proxy ARP on an InterfaceProxy ARP allows a router to answer a local ARP request for a remot

303528-A Rev 00xvCustomizing a NAT Interface ...12-15Enabling or D

Configuring IP Services5-10303528-A Rev 00With Proxy ARP enabled, the router will respond with an ARP reply if there is a valid route (that is, if the

Configuring Address Resolution303528-A Rev 005-11 Using Site ManagerTiming Out Entries in the Address Resolution CacheIP maintains an address resoluti

Configuring IP Services5-12303528-A Rev 00Using the BCCNavigate to the IP interface-specific prompt and enter:aging actionaction is one of the followi

303528-A Rev 006-1 Chapter 6Customizing RIP ServicesYou customize the Routing Information Protocol (RIP) by setting RIP parameters as described under

Configuring IP Services6-2303528-A Rev 00Customizing RIP Global ParametersWhen you add RIP to an IP interface, RIP is enabled on the router with defau

Customizing RIP Services303528-A Rev 006-3 Using the BCCNavigate to the global IP prompt and enter:rip-diameter infinityinfinity is a hop count indica

Configuring IP Services6-4303528-A Rev 00Customizing a RIP InterfaceWhen you add RIP to an IP interface, RIP is enabled with default values for all pa

Customizing RIP Services303528-A Rev 006-5 Navigating the BCC to a RIP Interface PromptBeginning at the prompt for an IP interface that you have confi

Configuring IP Services6-6303528-A Rev 00Opening the Site Manager Window for RIP InterfacesUse the following Site Manager procedure to open the RIP In

Customizing RIP Services303528-A Rev 006-7 Disabling and Reenabling RIP on an InterfaceYou can use the BCC or Site Manager to change the state of RIP

xvi303528-A Rev 00Appendix A Site Manager ParametersBGP Parameters ...

Configuring IP Services6-8303528-A Rev 00Selecting the RIP VersionYou can specify whether RIP sends Version 1 updates, Version 2 updates with no aggre

Customizing RIP Services303528-A Rev 006-9 Using Site ManagerSite Manager PathYou do this System responds1. In the Configuration Manager window, choos

Configuring IP Services6-10303528-A Rev 00Supplying RIP Updates on an InterfaceBy default, RIP supplies RIP updates to neighboring networks on each in

Customizing RIP Services303528-A Rev 006-11 Specifying the Update ModeRIP can issue routing updates in the following modes:• Poisoned reverse (the def

Configuring IP Services6-12303528-A Rev 00Using Site ManagerSending Triggered UpdatesRIP generates full routing updates at regular intervals. You can

Customizing RIP Services303528-A Rev 006-13 Using the BCCNavigate to a RIP interface-specific prompt and enter:triggered-updates statestate is one of

Configuring IP Services6-14303528-A Rev 00Specifying a Time-to-Live ValueBy default, RIP inserts a time-to-live (TTL) value of 1 hop into each outboun

Customizing RIP Services303528-A Rev 006-15 Using Site ManagerSite Manager PathYou do this System responds1. In the Configuration Manager window, choo

Configuring IP Services6-16303528-A Rev 00Receiving RIP Updates on an InterfaceBy default, RIP listens for routing updates on every interface on which

Customizing RIP Services303528-A Rev 006-17 Using Site ManagerAuthenticating the Password on a Version 2 UpdateBy default, RIP running in RIP Version

303528-A Rev 00xviiAppendix B Routing PoliciesRIP-Specific Accept Policy Parameters ...

Configuring IP Services6-18303528-A Rev 00Using the BCCTo configure authentication, navigate to a RIP interface-specific prompt and enter:authenticati

Customizing RIP Services303528-A Rev 006-19 Supplying a Default Route on an InterfaceWhen the routing table does not contain the route to a particular

Configuring IP Services6-20303528-A Rev 00Using Site ManagerSite Manager PathYou do this System responds1. In the Configuration Manager window, choose

Customizing RIP Services303528-A Rev 006-21 Listening for a Default RouteBy default, RIP ignores inbound advertisements of a default route on the inte

Configuring IP Services6-22303528-A Rev 00Configuring a RIP Interface for Dial-Optimized RoutingDial-optimized routing is a method of reducing costs o

Customizing RIP Services303528-A Rev 006-23 Using the BCCNavigate to a RIP interface-specific prompt and enter:broadcast-timer secondsseconds is the b

Configuring IP Services6-24303528-A Rev 00Specifying a Timeout PeriodBy default, RIP waits 90 seconds for an update from a network before it considers

Customizing RIP Services303528-A Rev 006-25 Using Site ManagerSite Manager PathYou do this System responds1. In the Configuration Manager window, choo

Configuring IP Services6-26303528-A Rev 00Specifying a Holddown PeriodOnce RIP has determined that a network is unreachable, RIP continues to advertis

Customizing RIP Services303528-A Rev 006-27 Using Site ManagerSite Manager PathYou do this System responds1. In the Configuration Manager window, choo

Configuring IP Services6-28303528-A Rev 00Specifying a Stabilization TimeThe stabilization time is the period that RIP allows itself to learn all rout

Customizing RIP Services303528-A Rev 006-29 Configuring RIP Accept and Announce PoliciesRIP accept policies and announce policies allow you to control

Configuring IP Services6-30303528-A Rev 00Defining a RIP Accept PolicyTo define a new RIP accept policy, you must do the following:• Supply a name for

Customizing RIP Services303528-A Rev 006-31 For example, the following command sets the state to disabled for RIP accept policy pol_1:accept/pol_1/rip

Configuring IP Services6-32303528-A Rev 00Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window, c

Customizing RIP Services303528-A Rev 006-33 Supplying Modification Values for a RIP Accept PolicyYou can use the BCC or Site Manager to supply values

Configuring IP Services6-34303528-A Rev 00Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window, c

Customizing RIP Services303528-A Rev 006-35 Specifying Matching Criteria for a RIP Accept PolicyYou can use the BCC or Site Manager to specify matchin

Configuring IP Services6-36303528-A Rev 00Defining a RIP Announce PolicyTo define a new announce policy, you must do the following:• Supply a name for

Customizing RIP Services303528-A Rev 006-37 For example, the following command specifies a precedence value of 12 for RIP announce policy pol_1:announ

303528-A Rev 00xixFiguresFigure 1-1. Network and Host Portions of IP Addresses ...1-3Figure 1-2. Internet Seg

Configuring IP Services6-38303528-A Rev 00Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window, c

Customizing RIP Services303528-A Rev 006-39 Supplying Modification Values for a RIP Announce PolicyYou can use the BCC or Site Manager to supply a val

Configuring IP Services6-40303528-A Rev 00Using Site ManagerSpecifying Matching Criteria for a RIP Announce PolicyYou can use the BCC or Site Manager

Customizing RIP Services303528-A Rev 006-41 Table 6-5. BCC Match Parameters for RIP Announce PoliciesParameter Values Functionstate Enable (default)Di

Configuring IP Services6-42303528-A Rev 00Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window, c

303528-A Rev 007-1 Chapter 7Customizing OSPF ServicesYou customize OSPF by setting OSPF parameters as described under the following topics:Topic PageO

Configuring IP Services7-2303528-A Rev 00OSPF Concepts and TerminologyOSPF is a link-state protocol. A router running a link-state protocol periodical

Customizing OSPF Services303528-A Rev 007-3 OSPF Addresses and Variable-Length MasksA destination in as OSPF route advertisement is expressed as an IP

Configuring IP Services7-4303528-A Rev 00Neighbor AdjacenciesNeighbors may form an adjacency for the purpose of exchanging routing information. When t

Customizing OSPF Services303528-A Rev 007-5 OSPF AreasOSPF routers reduce and restrict the amount of internal and external routing information that is

ii303528-A Rev 004401 Great America Parkway 8 Federal StreetSanta Clara, CA 95054 Billerica, MA 01821Copyright © 1998 Bay Networks, Inc.All rights res

xx303528-A Rev 00Figure 12-4. NAT Replaces the Unregistered Local Address with a Registered Source Address 12-7Figure 12-5. N-to-1 Address Translatio

Configuring IP Services7-6303528-A Rev 00OSPF Router TypesOSPF defines three router types: internal routers, border routers, and boundary routers.A ro

Customizing OSPF Services303528-A Rev 007-7 OSPF Implementation NotesThis section provides some suggestions to help you configure your OSPF network. T

Configuring IP Services7-8303528-A Rev 00Customizing OSPF Global FeaturesOSPF global features affect the way OSPF runs on the router. They apply to al

Customizing OSPF Services303528-A Rev 007-9 Navigating the BCC to the OSPF Global PromptBeginning at the global IP prompt, enter:ospfTo display OSPF g

Configuring IP Services7-10303528-A Rev 00Enabling and Disabling OSPF on the RouterWhen you start OSPF on the router, OSPF is automatically enabled.Yo

Customizing OSPF Services303528-A Rev 007-11 Supplying an OSPF IDEach router configured with OSPF has an OSPF ID. This IP address uniquely identifies

Configuring IP Services7-12303528-A Rev 00Using Site ManagerConfiguring the Soloist and Backup Soloist on a SlotThe OSPF protocol is implemented as a

Customizing OSPF Services303528-A Rev 007-13 Using the BCCTo specify a slot for the OSPF soloist, navigate to the global OSPF prompt and enter:slot-ma

Configuring IP Services7-14303528-A Rev 00Enabling the Boundary FunctionAn OSPF boundary router does the following:1. Receives information about route

Customizing OSPF Services303528-A Rev 007-15 Configuring the Metric Type for an ASE AdvertisementEach ASE that a boundary router injects into the AS i

303528-A Rev 00xxiTablesTable 1-1. Subnet Masks for Class B and Class C Addresses ...1-6Table 1-2. IP Router RFC Support

Configuring IP Services7-16303528-A Rev 00Figure 7-2. OSPF ASE RoutesBy default, an OSPF boundary router generates a type 2 metric for BGP, EGP, or RI

Customizing OSPF Services303528-A Rev 007-17 Using the BCC or Site Manager, you can configure a boundary router to use the route weight as the OSPF me

Configuring IP Services7-18303528-A Rev 00Choosing a Tag Generation Method for an ASE AdvertisementAn OSPF AS external route advertisement includes an

Customizing OSPF Services303528-A Rev 007-19 Figure 7-3. AS External Route TagYou can use the BCC or Site Manager to choose the tag generation method.

Configuring IP Services7-20303528-A Rev 00Using the BCCNavigate the global IP prompt and enter:as-default-tag methodmethod is one of the following:zer

Customizing OSPF Services303528-A Rev 007-21 Setting the Holddown TimerThe holddown timer controls how often OSPF calculates a route. Its purpose is t

Configuring IP Services7-22303528-A Rev 00Configuring Message LoggingOSPF maintains a primary and backup log for OSPF messages. By default, OSPF logs

Customizing OSPF Services303528-A Rev 007-23 Using the BCCTo specify the messages that OSPF writes to the primary log, navigate to the global OSPF pro

Configuring IP Services7-24303528-A Rev 00Configuring External Route PreferenceBy default, when OSPF receives multiple AS-external LSAs for the same d

Customizing OSPF Services303528-A Rev 007-25 Customizing OSPF on an IP InterfaceWhen you add OSPF to an IP interface, OSPF is configured on the interf

xxii303528-A Rev 00Table 8-7. BCC Modification Parameters for BGP Accept Policies ...8-59Table 8-8. BCC Matching Parameters for

Configuring IP Services7-26303528-A Rev 00Navigating the BCC to an OSPF Interface PromptBeginning at the prompt for an IP interface to which you have

Customizing OSPF Services303528-A Rev 007-27 Opening the Site Manager Window for OSPF InterfacesUse the following Site Manager procedure to open the O

Configuring IP Services7-28303528-A Rev 00Enabling and Disabling OSPFWhen you add OSPF to an IP interface, OSPF is automatically enabled on that inter

Customizing OSPF Services303528-A Rev 007-29 Configuring an Area IDIn an AS that contains multiple areas, each OSPF interface is configured with the I

Configuring IP Services7-30303528-A Rev 00Specifying the Network TypeOSPF interfaces support communications over four network types: • Broadcast. A br

Customizing OSPF Services303528-A Rev 007-31 Using the BCCNavigate to an interface-specific OSPF prompt and enter:type network_typenetwork_type is one

Configuring IP Services7-32303528-A Rev 00Using Point-to-Multipoint Interfaces in a Star TopologyOSPF point-to-multipoint interfaces provide an effici

Customizing OSPF Services303528-A Rev 007-33 Figure 7-4. Point-to-Multipoint TopologySpecifying Router Priority for a Multiaccess NetworkThe router pr

Configuring IP Services7-34303528-A Rev 00By default, each OSPF interface has a router priority of 1. You can use the BCC or Site Manager to do the fo

Customizing OSPF Services303528-A Rev 007-35 Estimating the Transit DelayBy default, OSPF assigns a transmission delay of 1 second to an OSPF interfac

303528-A Rev 00xxiii PrefaceThis guide describes IP services and what you do to start and customize IP services on a Bay Networks® router.You can use

Configuring IP Services7-36303528-A Rev 00Setting the Retransmit IntervalThe retransmit interval is the number of seconds between link-state advertise

Customizing OSPF Services303528-A Rev 007-37 Using Site ManagerSetting the Hello IntervalThe hello interval specifies how often the router sends hello

Configuring IP Services7-38303528-A Rev 00You can use the BCC or Site Manager to specify a hello interval.Using the BCCNavigate to an interface-specif

Customizing OSPF Services303528-A Rev 007-39 Setting the Dead IntervalThe dead interval is the number of seconds that OSFP waits to receive a hello pa

Configuring IP Services7-40303528-A Rev 00Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window, c

Customizing OSPF Services303528-A Rev 007-41 Setting the Poll Interval for NBMA NeighborsThe poll interval is the largest number of seconds allowed be

Configuring IP Services7-42303528-A Rev 00Specifying the Metric CostFor OSPF, the best path is the one that offers the least-cost metric.You must conf

Customizing OSPF Services303528-A Rev 007-43 There is an optimum cost for each type of network. Table 7-5 lists the suggested values for the metric co

Configuring IP Services7-44303528-A Rev 00Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window, c

Customizing OSPF Services303528-A Rev 007-45 Specifying the MTU SizeOSPF recognizes a maximum transmission unit (MTU) size for updates transmitted on

Configuring IP Servicesxxiv303528-A Rev 00Text ConventionsThis guide uses the following text conventions:angle brackets (< >) Indicate that you

Configuring IP Services7-46303528-A Rev 00Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window, c

Customizing OSPF Services303528-A Rev 007-47 Configuring a Neighbor on an NBMA InterfaceIn a nonbroadcast multiaccess network, neighbors are not learn

Configuring IP Services7-48303528-A Rev 00Defining an AreaYou define an OSPF by setting parameters as described under the following topics:Supplying a

Customizing OSPF Services303528-A Rev 007-49 Disabling and Reenabling an AreaWhen you define an OSPF area, the area is automatically enabled.You can u

Configuring IP Services7-50303528-A Rev 00Modifying an Area IDIn an AS that contains multiple areas, you must assign a unique ID to each area. You spe

Customizing OSPF Services303528-A Rev 007-51 Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window

Configuring IP Services7-52303528-A Rev 00Configuring a Summary RouteBorder routers generate summary advertisements for their attached areas. Each sum

Customizing OSPF Services303528-A Rev 007-53 Using Site ManagerConfiguring a Stub AreaA stub area does not import ASEs and may or may not import inter

Configuring IP Services7-54303528-A Rev 00Using the BCCBy default, OSPF assumes that the area you define is not a stub area. If the area is a stub, na

Customizing OSPF Services303528-A Rev 007-55 Configuring an Area Border RouterEach area is connected to the backbone by one or more border routers. In

Preface303528-A Rev 00xxv Acronymsitalic text Indicates file and directory names, new terms, book titles, and variables in command syntax descriptions

Configuring IP Services7-56303528-A Rev 00Each border router in an AS does the following:• Receives routing information from its attached areas, creat

Customizing OSPF Services303528-A Rev 007-57 Figure 7-7. Virtual Link and Transit AreaTo configure an interface to support a virtual link:1.Identify t

Configuring IP Services7-58303528-A Rev 00Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window, c

Customizing OSPF Services303528-A Rev 007-59 Configuring OSPF Accept and Announce PoliciesOSPF requires that all routers in a given area maintain a si

Configuring IP Services7-60303528-A Rev 00Defining an OSPF Accept PolicyTo define a new OSPF accept policy, you must do the following:• Supply a name

Customizing OSPF Services303528-A Rev 007-61 Table 7-6. BCC Definition Parameters for OSPF Accept PoliciesParameter Values Functionstate Enabled (defa

Configuring IP Services7-62303528-A Rev 00Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window, c

Customizing OSPF Services303528-A Rev 007-63 Supplying Modification Values for an OSPF Accept PolicyYou can use the BCC or Site Manager to supply valu

Configuring IP Services7-64303528-A Rev 00Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window, c

Customizing OSPF Services303528-A Rev 007-65 Specifying Matching Criteria for an OSPF Accept PolicyYou can use the BCC or Site Manager to specify a ma

Configuring IP Servicesxxvi303528-A Rev 00HDLC high-level data link controlIP Internet ProtocolISDN Integrated Services Digital NetworkISO Internation

Configuring IP Services7-66303528-A Rev 00Using Site ManagerUse this Site Manager procedure to create an OSPF accept policy.Site Manager ProcedureYou

Customizing OSPF Services303528-A Rev 007-67 Defining an OSPF Announce PolicyTo define a new OSPF announce policy, you must do the following:• Supply

Configuring IP Services7-68303528-A Rev 00Table 7-8. BCC Definition Parameters for OSPF Announce PoliciesParameter Values Functionstate Enaled (defaul

Customizing OSPF Services303528-A Rev 007-69 Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window

Configuring IP Services7-70303528-A Rev 00Supplying Modification Values for an OSPF Announce PolicyYou can use the BCC or Site Manager to supply a val

Customizing OSPF Services303528-A Rev 007-71 Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window

Configuring IP Services7-72303528-A Rev 00Supplying Matching Criteria for an OSPF Announce PolicyYou can use the BCC or Site Manager to specify matchi

Customizing OSPF Services303528-A Rev 007-73 Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window

303528-A Rev 008-1 Chapter 8Configuring and Customizing BGPYou configure and customize the Border Gateway Protocol (BGP) by setting BGP parameters as

Preface303528-A Rev 00xxvii Bay Networks Technical PublicationsYou can now print Bay Networks technical manuals and release notes free, directly from

Configuring IP Services8-2303528-A Rev 00BGP Concepts and TerminologyBGP is an exterior gateway protocol designed to exchange network reachability inf

Configuring and Customizing BGP303528-A Rev 008-3 Bay Networks supports BGP-3 and BGP-4:• BGP-3 assumes that each advertised network is a natural clas

Configuring IP Services8-4303528-A Rev 00Interior BGP RoutingBay Networks implements Interior BGP (IBGP) intra-AS routing. Under IBGP, each router in

Configuring and Customizing BGP303528-A Rev 008-5 In Figure 8-2, AS 20 is the transit AS. It provides information about its internal networks, as well

Configuring IP Services8-6303528-A Rev 00BGP UpdatesBGP-3 and BGP-4 speakers exchange routing information in the form of routing updates that include

Configuring and Customizing BGP303528-A Rev 008-7 The BGP-4 update message has the same format and contains the same mandatory attributes as the BGP-3

Configuring IP Services8-8303528-A Rev 00BGP-4 Local Preference ValueBGP-4 update messages include a local preference attribute that allows an AS bord

Configuring and Customizing BGP303528-A Rev 008-9 BGP Implementation NotesThis section provides guidelines that you should follow when you configure B

Configuring IP Services8-10303528-A Rev 00Configuring BGP GloballyYou configure BGP by setting BGP parameters as described under the following topics:

Configuring and Customizing BGP303528-A Rev 008-11 Enabling and Disabling BGPWhen you start BGP on the router, BGP is automatically enabled for both B

Configuring IP Services8-12303528-A Rev 00Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window, c

Configuring and Customizing BGP303528-A Rev 008-13 Supplying a BGP IdentifierThe BGP identifier is the IP address of an interface on this router. Ther

Configuring IP Services8-14303528-A Rev 00Identifying the Local ASEach autonomous system in the internet has a unique AS ID.You can use the BCC or Sit

Configuring and Customizing BGP303528-A Rev 008-15 Disabling and Reenabling IBGP SupportBy default, BGP supports IBGP intra-AS sessions. (For informat

Configuring IP Services8-16303528-A Rev 00Specifying Route Types for IBGP AdvertisementsIf IBGP is enabled, you can specify the types of routes that B

Configuring and Customizing BGP303528-A Rev 008-17 Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager

Configuring IP Services8-18303528-A Rev 00Setting the Update Interval TimerBGP injects external BGP routes into the routing table. The default minimum

Configuring and Customizing BGP303528-A Rev 008-19 Allowing Redundant Connections By default, BGP performs redundancy checking on peer-to-peer TCP ses

Configuring IP Services8-20303528-A Rev 00Using Site ManagerEnabling Multihop ConnectionsBy default, BGP enforces the one-hop rule for BGP peers -- th

Configuring and Customizing BGP303528-A Rev 008-21 Using the BCCNavigate to the BGP prompt and enter:multi-hop statestate is one of the following:enab

303528-A Rev 001-1 Chapter 1IP Concepts, Terminology, and FeaturesThe following topics introduce concepts and terminology used in this manual:Topic Pa

Configuring IP Services8-22303528-A Rev 00Disabling and Reenabling Dynamic Policy ConfigurationBy default, BGP reconfigures IP policies dynamically. T

Configuring and Customizing BGP303528-A Rev 008-23 Configuring BGP as a SoloistBy default, BGP runs as a soloist on a slot determined by the BGP soloi

Configuring IP Services8-24303528-A Rev 00Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window, c

Configuring and Customizing BGP303528-A Rev 008-25 Associating a Route Reflector with a Cluster IDIn an AS with multiple clusters of route reflectors,

Configuring IP Services8-26303528-A Rev 00Enabling and Disabling Black Hole PunchingIf BGP advertises aggregate routes, you can configure BGP to submi

Configuring and Customizing BGP303528-A Rev 008-27 Disabling and Reenabling the BGP-4 MED AttributeBy default, BGP-4 considers the multiexit discrimin

Configuring IP Services8-28303528-A Rev 00Establishing a Peer-to-Peer SessionA BGP speaker forms neighbor relationships with other BGP speakers. This

Configuring and Customizing BGP303528-A Rev 008-29 Defining a Peer-to-Peer SessionTo define a peer-to-peer session, you specify the following:• The ad

Configuring IP Services8-30303528-A Rev 00Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window, c

Configuring and Customizing BGP303528-A Rev 008-31 Initiating a Peer-to-Peer SessionA BGP speaker that wants to initiate a peer-to-peer connection per

303528-A Rev 00iiiBay Networks, Inc. Software License AgreementNOTICE: Please carefully read this license agreement before copying or using the accom

Configuring IP Services1-2303528-A Rev 00IP AddressesAn IP address consists of 32 bits that have the form network.host. The network portion is a netwo

Configuring IP Services8-32303528-A Rev 00Using the BCCNavigate to a BGP peer prompt and enter:retry intervalinterval is the number of seconds between

Configuring and Customizing BGP303528-A Rev 008-33 Negotiating the BGP VersionBGP peers negotiate the version of BGP that they will use to exchange ro

Configuring IP Services8-34303528-A Rev 00Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window, c

Configuring and Customizing BGP303528-A Rev 008-35 Keeping the Connection AliveAfter a session has been established, BGP peers periodically issue keep

Configuring IP Services8-36303528-A Rev 00Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window, c

Configuring and Customizing BGP303528-A Rev 008-37 Setting the External Advertisement TimerAfter a connection is established, the BGP speaker uses one

Configuring IP Services8-38303528-A Rev 00Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window, c

Configuring and Customizing BGP303528-A Rev 008-39 Specifying a Holddown TimeThe holddown time is the amount of time either peer will wait for a keepa

Configuring IP Services8-40303528-A Rev 00Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window, c

Configuring and Customizing BGP303528-A Rev 008-41 Setting a Minimum AS Origination IntervalBy default, a BGP speaker that issues an update to adverti

IP Concepts, Terminology, and Features303528-A Rev 001-3 Figure 1-1. Network and Host Portions of IP AddressesYou specify IP addresses in dotted-decim

Configuring IP Services8-42303528-A Rev 00Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window, c

Configuring and Customizing BGP303528-A Rev 008-43 Overriding the Local AS NumberBy default, a BGP speaker that issues an open message to initiate a p

Configuring IP Services8-44303528-A Rev 00Specifying a Maximum Update SizeBy default, a BGP speaker sends update messages with a maximum size of 800 b

Configuring and Customizing BGP303528-A Rev 008-45 Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager

Configuring IP Services8-46303528-A Rev 00Setting the Route Echo SwitchThe peer route echo switch controls the way the router echoes a BGP route that

Configuring and Customizing BGP303528-A Rev 008-47 Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager

Configuring IP Services8-48303528-A Rev 00Specifying the Route Reflector Mode of the Remote PeerFor complete information about configuring a route ref

Configuring and Customizing BGP303528-A Rev 008-49 Setting the Backoff Timer on an IBGP Route ServerBy default, an IBGP route server waits 30 seconds

Configuring IP Services8-50303528-A Rev 00Using the Circuitless IP Interface for a Peer SessionIn configuring a peer-to-peer session for BGP speakers,

Configuring and Customizing BGP303528-A Rev 008-51 Configuring Peers over an Unnumbered Point-to-Point LinkYou cannot configure a BGP peer-to-peer ses

Configuring IP Services1-4303528-A Rev 00Subnet AddressingThe concept of subnetworks (or subnets) extends the IP addressing scheme. Subnets are two or

Configuring IP Services8-52303528-A Rev 00To establish a peer-to-peer session between router A and router B: 1.Choose a numbered interface on each rou

Configuring and Customizing BGP303528-A Rev 008-53 Assigning Weight and Class Values to an ASYou can assign a weight class to any AS number and a weig

Configuring IP Services8-54303528-A Rev 00You can use Site Manager to assign a weight and a weight class to an AS.Site Manager ProcedureYou do this Sy

Configuring and Customizing BGP303528-A Rev 008-55 Configuring BGP Accept and Announce PoliciesBGP accept and announce policies govern which routes a

Configuring IP Services8-56303528-A Rev 00Defining a BGP Accept PolicyBGP-4 accept policies govern which routes BGP submits to the IP routing table ma

Configuring and Customizing BGP303528-A Rev 008-57 Table 8-6. BCC Definition Parameters for BGP Accept PoliciesParameter Values Functionstate Enabled

Configuring IP Services8-58303528-A Rev 00Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window, c

Configuring and Customizing BGP303528-A Rev 008-59 Supplying Modification Values for a BGP Accept PolicyYou can use the BCC or Site Manager to supply

Configuring IP Services8-60303528-A Rev 00Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window, c

Configuring and Customizing BGP303528-A Rev 008-61 Specifying Matching Criteria for a BGP Accept PolicyYou can use the BCC or Site Manager to specify

IP Concepts, Terminology, and Features303528-A Rev 001-5 You construct a subnet mask as follows:• Assign a value of 1 to each of the 8, 16, or 24 bits

Configuring IP Services8-62303528-A Rev 00Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window, c

Configuring and Customizing BGP303528-A Rev 008-63 Defining a BGP Announce PolicyBGP announce policies govern which routes BGP propagates to other rou

Configuring IP Services8-64303528-A Rev 00Using Site ManagerTable 8-9. BCC Definition Parameters for BGP Announce PoliciesParameter Values Functionsta

Configuring and Customizing BGP303528-A Rev 008-65 7. Set the following parameters:•Enable•Name•Networks• Action• Rule Precedence• Route Source• Adver

Configuring IP Services8-66303528-A Rev 00Supplying Modification Values for a BGP Announce PolicyYou can use the BCC or Site Manager to supply values

Configuring and Customizing BGP303528-A Rev 008-67 atomic aggregate Automatic (default)ForceIgnoreAllows control over the atomic path attribute. By de

Configuring IP Services8-68303528-A Rev 00Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window, c

Configuring and Customizing BGP303528-A Rev 008-69 7. Set the following parameters:•Enable•Name•Networks• Action• Rule Precedence• Route Source• Adver

Configuring IP Services8-70303528-A Rev 00Specifying Matching Criteria for a BGP Announce PolicyYou can use the BCC or Site Manager to specify matchin

Configuring and Customizing BGP303528-A Rev 008-71 Table 8-11. BCC Match Parameters for BGP Announce PoliciesParameter Values Functionas-path-pattern

Configuring IP Services1-6303528-A Rev 00Table 1-1 shows the range of possible subnet masks for Class B and Class C addresses, along with the number o

Configuring IP Services8-72303528-A Rev 00Using Site ManagerYou can use Site Manager to configure a BGP-4 announce policy.Site Manager ProcedureYou do

Configuring and Customizing BGP303528-A Rev 008-73 7. Set the following parameters:•Enable•Name•Networks• Action• Rule Precedence• Route Source• Adver

Configuring IP Services8-74303528-A Rev 00Configuring BGP-4 AS Pattern-MatchingTable 8-12 describes the special characters used in the Bay Networks im

Configuring and Customizing BGP303528-A Rev 008-75 Best-Route Calculation for Equal RoutesBGP uses the following rules (tie breakers) to choose betwee

Configuring IP Services8-76303528-A Rev 00Configuring BGP Message LoggingSite Manager allows you to control the event messages that BGP sends to the l

Configuring and Customizing BGP303528-A Rev 008-77 Configuring IBGP as a Route Reflector or an RR ClientTo avoid the high cost of a full-mesh topology

Configuring IP Services8-78303528-A Rev 00Figure 8-5. IBGP Single Route Reflector TopologyYou configure an IBGP speaker as a route reflector by establ

Configuring and Customizing BGP303528-A Rev 008-79 Using the BCCNavigate to the global BGP prompt and enter:peer local reflector_address remote client

Configuring IP Services8-80303528-A Rev 00Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window, c

Configuring and Customizing BGP303528-A Rev 008-81 Configuring a Route Reflector ClusterYou can connect multiple route reflectors in a route reflector

IP Concepts, Terminology, and Features303528-A Rev 001-7 Supernet AddressingA supernet is a group of networks identified by contiguous network address

Configuring IP Services8-82303528-A Rev 00Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window, c

Configuring and Customizing BGP303528-A Rev 008-83 Configuring Multiple RR Clusters in an ASAn AS can contain multiple IBGP route reflector clusters.

Configuring IP Services8-84303528-A Rev 00Using the BCCTo associate a route reflector with a cluster, navigate to the BGP global prompt and enter:clus

Configuring and Customizing BGP303528-A Rev 008-85 Using Site ManagerUse the following procedure to establish a peer-to-peer session with a route refl

Configuring IP Services8-86303528-A Rev 00To associate a route reflector with a cluster, use the following procedure:Site Manager ProcedureYou do this

Configuring and Customizing BGP303528-A Rev 008-87 Configuring an RR ClientAn RR client is a BGP/IBGP speaker with a peer-to-peer session with a route

Configuring IP Services8-88303528-A Rev 00Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window, c

Configuring and Customizing BGP303528-A Rev 008-89 Enabling and Disabling IBGP Equal-Cost MultipathBGP equal-cost multipath (ECMP) support allows an I

Configuring IP Services8-90303528-A Rev 00Figure 8-6. BGP Equal-Cost MultipathBy default, IBGP ECMP is disabled. You can use the BCC or Site Manager t

Configuring and Customizing BGP303528-A Rev 008-91 Using the BCCNavigate to the IP global prompt and enter:ibgp-ecmp statestate is one of the followin

Configuring IP Services1-8303528-A Rev 00Classless Interdomain RoutingClassless interdomain routing (CIDR) is an addressing scheme that employs supern

303528-A Rev 009-1 Chapter 9Customizing EGP ServicesThis chapter explains how to configure the Exterior Gateway Protocol (EGP).Topic PageEGP Concepts

Configuring IP Services9-2303528-A Rev 00EGP Concepts and TerminologyEGP-2 is an exterior gateway protocol used to exchange network reachability infor

Customizing EGP Services303528-A Rev 009-3 An EGP router does the following:• Acquires EGP neighbors• Determines neighbor reachability• Exchanges netw

Configuring IP Services9-4303528-A Rev 00In the neighbor reachability phase, EGP is responsible for monitoring and maintaining an established EGP neig

Customizing EGP Services303528-A Rev 009-5 EGP Implementation NotesThis section provides you with some important guidelines to follow when you configu

Configuring IP Services9-6303528-A Rev 00Customizing EGP on the RouterYou customize EGP on the router by setting EGP global parameters as described un

Customizing EGP Services303528-A Rev 009-7 Supplying a Local AS NumberEach autonomous system has a NIC-assigned decimal number ID.You must supply the

Configuring IP Services9-8303528-A Rev 00Configuring a NeighborYou define a neighbor-to-neighbor relationship by setting EGP neighbor parameters as de

Customizing EGP Services303528-A Rev 009-9 Specifying the Neighbor’s AddressYou define the neighbor-to-neighbor relationship by specifying the IP addr

IP Concepts, Terminology, and Features303528-A Rev 001-9 Figure 1-2. Internet Segmented into Three Autonomous SystemsRouting Information Protocol (RIP

Configuring IP Services9-10303528-A Rev 00Specifying the Gateway ModeYou can configure the EGP router to operate in one of two gateway modes for any g

Customizing EGP Services303528-A Rev 009-11 Enabling and Disabling the Neighbor RelationshipWhen you establish a neighbor-to-neighbor relationship on

Configuring IP Services9-12303528-A Rev 00Choosing the Acquisition ModeIn an EGP neighbor relationship, one router is the active neighbor and the othe

Customizing EGP Services303528-A Rev 009-13 Choosing the Poll ModeThe type of neighbor reachability algorithm executed by the local EGP neighbor is ca

Configuring IP Services9-14303528-A Rev 00Setting Neighbor TimersEGP uses two configurable timers: the hello timer and the poll timer.The hello timer

303528-A Rev 0010-1 Chapter 10Configuring RIPSO on an IP InterfaceIP routers support the Department of Defense (DoD) Revised IP Security Option (RIPSO

Configuring IP Services10-2303528-A Rev 00By default, RIPSO is disabled on IP interfaces. You can use Site Manager to enable RIPSO on an IP interface,

Configuring RIPSO on an IP Interface303528-A Rev 0010-3 The format of the security label is as follows:• Octet 1 contains a type value of 82(16), iden

Configuring IP Services10-4303528-A Rev 00Inbound IP DatagramsWhen the router receives an IP datagram on a RIPSO interface, it compares the security c

Configuring RIPSO on an IP Interface303528-A Rev 0010-5 Originated IP DatagramsWhen the router originates a datagram and the following conditions are

Configuring IP Services1-10303528-A Rev 00Open Shortest Path First (OSPF) ProtocolThe Open Shortest Path First (OSPF) protocol is an interior gateway

Configuring IP Services10-6303528-A Rev 00Enabling and Disabling RIPSOUse Site Manager to enable or disable RIPSO on an interface. When you disable RI

Configuring RIPSO on an IP Interface303528-A Rev 0010-7 Specifying the IP Datagram Type for Stripping Security OptionsUse Site Manager to choose the t

Configuring IP Services10-8303528-A Rev 00Specifying the Outbound Datagram Type Requiring Security LabelsUse Site Manager to specify the type of outbo

Configuring RIPSO on an IP Interface303528-A Rev 0010-9 Specifying the Inbound Datagram Type Requiring Security LabelsUse Site Manager to specify the

Configuring IP Services10-10303528-A Rev 00Setting the Security Level for IP DatagramsUse Site Manager to specify the minimum and maximum security lev

Configuring RIPSO on an IP Interface303528-A Rev 0010-11 Choosing Authority Flags in Outbound DatagramsUse Site Manager to specify which authority fla

Configuring IP Services10-12303528-A Rev 00Choosing Authority Flags in Inbound DatagramsUse Site Manager to specify which authority flags must be set,

Configuring RIPSO on an IP Interface303528-A Rev 0010-13 Supplying Implicit Labels for Unlabeled Inbound DatagramsUse Site Manager to specify whether

Configuring IP Services10-14303528-A Rev 00Enabling and Disabling Default Labels for Unlabeled Outbound DatagramsUse Site Manager to specify whether y

Configuring RIPSO on an IP Interface303528-A Rev 0010-15 Enabling and Disabling Error Labels for Outbound ICMP Error DatagramsUse Site Manager to spec

IP Concepts, Terminology, and Features303528-A Rev 001-11 Routers establish EGP neighbor relationships in order to periodically exchange reliable netw

Configuring IP Services10-16303528-A Rev 00RIPSO ExampleThe router in Figure 10-2 has RIPSO configured on all three IP interfaces. The security ranges

Configuring RIPSO on an IP Interface303528-A Rev 0010-17 Figure 10-2. RIPSO Example1.1.0.11.1.0.21.2.0.1 1.3.0.11.1.0.1Forward outbounddatagram?

303528-A Rev 0011-1 Chapter 11Connecting the Router to a Blacker Front EndThe Blacker front end (BFE) is a classified encryption device used by hosts

Configuring IP Services11-2303528-A Rev 00Figure 11-1. Blacker Front-End Network ConfigurationBFE devices receive authorization and address translatio

Connecting the Router to a Blacker Front End303528-A Rev 0011-3 BFE AddressingYou can enable BFE support on individual IP interfaces. When you enable

Configuring IP Services11-4303528-A Rev 00Configuring Blacker Front-End Support To configure BFE support on an IP interface, you must:• Configure an X

Connecting the Router to a Blacker Front End303528-A Rev 0011-5 For instructions on performing steps 1 through 4, see Configuring X.25 Services. For i

Configuring IP Services11-6303528-A Rev 00Table 11-1. BFE X.25 Packet-Level Parameter SettingsParameter SettingEnable EnableNetwork Address Type BFE_N

Connecting the Router to a Blacker Front End303528-A Rev 0011-7 Max Window Size Range is 2 to 7. If you specify any setting other than the default val

iv303528-A Rev 00its own data and information and for maintaining adequate procedures apart from the Software to reconstruct lost or altered files, d

Configuring IP Services1-12303528-A Rev 00Route PreferencesThe IP router maintains an internal routing table. When determining how to forward a datagr

Configuring IP Services11-8303528-A Rev 00Table 11-2. BFE X.25 Network Service Record Parameter SettingsParameter Required SettingEnable EnableType DD

Connecting the Router to a Blacker Front End303528-A Rev 0011-9 CUG Facility Type Parameter is ignoredCUG Number Parameter is ignoredTable 11-2. BFE X

303528-A Rev 0012-1 Chapter 12Configuring Network Address TranslationThis chapter covers the following topics:Topic PageOverview of Network Address Tr

Configuring IP Services12-2303528-A Rev 00Overview of Network Address TranslationAs corporate networks grow, they often use the Internet protocol with

Configuring Network Address Translation303528-A Rev 0012-3 For example, a host sends an outbound packet from inside company A to company B. The packet

Configuring IP Services12-4303528-A Rev 00Figure 12-1. Dynamic Translation ExampleThe network administrator in company A has configured NAT to detect

Configuring Network Address Translation303528-A Rev 0012-5 NAT software detects a packet on a NAT interface that contains the address 10.0.0.15 (Figur

Configuring IP Services12-6303528-A Rev 00Figure 12-3. NAT Updates the Local/Global Translation Entry ListNAT software also replaces the unregistered

Configuring Network Address Translation303528-A Rev 0012-7 Figure 12-4. NAT Replaces the Unregistered Local Address with a Registered Source AddressSt

IP Concepts, Terminology, and Features303528-A Rev 001-13 Route WeightsRoute-weight calculation is an internal tool that IP uses to facilitate selecti

Configuring IP Services12-8303528-A Rev 00Customizing NAT Global AttributesWhen you add NAT to an IP interface, NAT is enabled on a router with defaul

Configuring Network Address Translation303528-A Rev 0012-9 Enabling and Disabling NATTo enable or disable NAT on an IP interface, proceed as follows:E

Configuring IP Services12-10303528-A Rev 00For instructions on how to create and enable static translation, refer to “Configuring Static Translation”

Configuring Network Address Translation303528-A Rev 0012-11 Configuring the Log MaskTable 12-2 shows messages types that are logged by NAT software an

Configuring IP Services12-12303528-A Rev 00To specify the types of log messages that are reported by NAT software, proceed as follows:NAT_DBG_AGING_AC

Configuring Network Address Translation303528-A Rev 0012-13 Enabling and Disabling the Translation Entry Timeout ValueYou can configure a global timeo

Configuring IP Services12-14303528-A Rev 00Configuring the Max Timeout ValueYou can configure the Max Timeout parameter to specify the timeout period

Configuring Network Address Translation303528-A Rev 0012-15 Customizing a NAT InterfaceThis section covers the following topics:Enabling or Disabling

Configuring IP Services12-16303528-A Rev 00Modifying the Interface TypeNAT software processes traffic received from an internal host on a NAT interfac

Configuring Network Address Translation303528-A Rev 0012-17 Configuring Static TranslationUse Site Manager to create a one-to-one mapping of an unregi

Configuring IP Services1-14303528-A Rev 00IP Routing Policies and FiltersThe IP router allows you to control the flow of routing data to and from the

Configuring IP Services12-18303528-A Rev 00Enabling and Disabling Static Address TranslationTo change the state of NAT static address translation, pro

Configuring Network Address Translation303528-A Rev 0012-19 Configuring Dynamic Local Address RangesUse Site Manager to add, delete, or change the sta

Configuring IP Services12-20303528-A Rev 00Deleting a Local Address RangeTo delete a local address range, proceed as follows:Site Manager ProcedureYou

Configuring Network Address Translation303528-A Rev 0012-21 Enabling or Disabling a Local Address RangeTo disable a local address range, proceed as fo

Configuring IP Services12-22303528-A Rev 00Configuring Dynamic Global Address RangesUse Site Manager to add, delete, or change the state of global add

Configuring Network Address Translation303528-A Rev 0012-23 Deleting a Global Address RangeTo delete a global address range, proceed as follows:Site M

Configuring IP Services12-24303528-A Rev 00Enabling or Disabling a Global Address RangeTo change the state of a global address range, proceed as follo

Configuring Network Address Translation303528-A Rev 0012-25 Configuring N-to-1 Address TranslationN-to-1 address translation -- also known as dynamic

Configuring IP Services12-26303528-A Rev 00Figure 12-5. N-to-1 Address Translation (Local to Global)When NAT receives a packet from a remote source on

Configuring Network Address Translation303528-A Rev 0012-27 4. Determining that the destination address is an N-to-1 address, NAT uses the address and

IP Concepts, Terminology, and Features303528-A Rev 001-15 Every IP router maintains a table of current routing information. The routing table manager

Configuring IP Services12-28303528-A Rev 00Site Manager ProcedureYou do this System responds1. In the Configuration Manager window, choose Protocols.T

303528-A Rev 0013-1 Chapter 13Generic Routing Encapsulation TunnelYou create a Generic Routing Encapsulation (GRE) tunnel by setting GRE parameters as

Configuring IP Services13-2303528-A Rev 00When using GRE, remember that:• This protocol is slower than native routing because packets require addition

Generic Routing Encapsulation Tunnel303528-A Rev 0013-3 Figure 13-1. GRE TunnelingAvoiding Tunnel MisconfigurationBefore configuring a tunnel, you sho

Configuring IP Services13-4303528-A Rev 00In particular, if a router at one end of a tunnel determines that the best route to the remote physical end

Generic Routing Encapsulation Tunnel303528-A Rev 0013-5 Accept Policy An accept policy governs the addition of new routes to the routing tables (see “

Configuring IP Services13-6303528-A Rev 00Configuring a Generic Routing Encapsulation TunnelYou can configure up to 64 GRE tunnels on one router; each

Generic Routing Encapsulation Tunnel303528-A Rev 0013-7 Adding a Protocol for a GRE TunnelTo add a protocol for a GRE tunnel, complete the following t

Configuring IP Services13-8303528-A Rev 00Configuring a Remote Tunnel End PointA remote tunnel end point can be any IP interface configured on a Bay N

Generic Routing Encapsulation Tunnel303528-A Rev 0013-9 To configure a remote tunnel end point, complete the following tasks.Site Manager ProcedureYou

Configuring IP Services1-16303528-A Rev 00The flow of routing information between the network, the protocols, and the routing table manager is control

Configuring IP Services13-10303528-A Rev 00Deleting a Remote Tunnel End PointTo delete a remote tunnel end point, complete the following tasks:Site Ma

Generic Routing Encapsulation Tunnel303528-A Rev 0013-11 Deleting a GRE TunnelYou can use Site Manager to delete a GRE tunnel. To delete a GRE tunnel,

303528-A Rev 00A-1 Appendix ASite Manager ParametersBGP ParametersBGP Configuration ParametersParameter: IdentifierPath: Choose BGP in the Select prot

Configuring IP ServicesA-2303528-A Rev 00BGP Global ParametersParameter: BGP EnablePath: Configuration Manager > Protocols > IP > BGP > BG

Site Manager Parameters303528-A Rev 00A-3 Parameter: BGP Intra-ASPath: Configuration Manager > Protocols > IP > BGP > BGP GlobalDefault: E

Configuring IP ServicesA-4303528-A Rev 00Parameter: BGP Collision DetectPath: Configuration Manager > Protocols > IP > BGP > BGP GlobalDef

Site Manager Parameters303528-A Rev 00A-5 Parameter: BGP Dynamic Policy Change SupportPath: Configuration Manager > Protocols > IP > BGP >

Configuring IP ServicesA-6303528-A Rev 00Parameter: Cluster IdentifierPath: Configuration Manager > Protocols > IP > BGP > BGP GlobalDefau

Site Manager Parameters303528-A Rev 00A-7 BGP-3 Global ParametersBGP-4 Global ParametersBGP Peer ParametersParameter: EnablePath: Configuration Manage

IP Concepts, Terminology, and Features303528-A Rev 001-17 Periodically, the routing table manager announces routes to other routers in the network as

Configuring IP ServicesA-8303528-A Rev 00Parameter: Peer ASPath: Configuration Manager > Protocols > IP > BGP > PeersDefault: NoneOptions:

Site Manager Parameters303528-A Rev 00A-9 Parameter: EnablePath: Configuration Manager > Protocols > IP > BGP > PeersDefault: EnableOption

Configuring IP ServicesA-10303528-A Rev 00Parameter: Peer ASPath: Configuration Manager > Protocols > IP > BGP > PeersDefault: NoneOptions

Site Manager Parameters303528-A Rev 00A-11 Parameter: HoldtimePath: Configuration Manager > Protocols > IP > BGP > PeersDefault: 90 second

Configuring IP ServicesA-12303528-A Rev 00Parameter: Min AS Origination IntervalPath: Configuration Manager > Protocols > IP > BGP > Peers

Site Manager Parameters303528-A Rev 00A-13 Parameter: Peer Route Echo SwitchPath: Configuration Manager > Protocols > IP > BGP > PeersDefa

Configuring IP ServicesA-14303528-A Rev 00BGP AS Weight and Weight Class ParametersParameter: ASPath: Configuration Manager > Protocols > IP >

Site Manager Parameters303528-A Rev 00A-15 Parameter: Weight Value 3Path: Configuration Manager > Protocols > IP > BGP > WeightsDefault: 8

Configuring IP ServicesA-16303528-A Rev 00Parameter: Weight Value 6Path: Configuration Manager > Protocols > IP > BGP > WeightsDefault: 8O

Site Manager Parameters303528-A Rev 00A-17 BGP Event Message ParametersParameter: EnablePath: Configuration Manager > Protocols > IP > BGP &g

Configuring IP Services1-18303528-A Rev 00IP Traffic FiltersA traffic filter enables the router to selectively relay or drop an inbound packet, frame,

Configuring IP ServicesA-18303528-A Rev 00EGP ParametersEGP Global Parameters Parameter: Message LevelPath: Configuration Manager > Protocols >

Site Manager Parameters303528-A Rev 00A-19 Parameter: Local Autonomous System IDPath: Configuration Manager > Protocols > IP > EGPDefault: No

Configuring IP ServicesA-20303528-A Rev 00EGP Neighbor ParametersParameter: Remote Peer IP AddressPath: Configuration Manager > Protocols > IP &

Site Manager Parameters303528-A Rev 00A-21 Parameter: EnablePath: Configuration Manager > Protocols > IP > EGP > NeighborsDefault: EnableO

Configuring IP ServicesA-22303528-A Rev 00Parameter: Hello TimerPath: Configuration Manager > Protocols > IP > EGP > NeighborsDefault: 60

Site Manager Parameters303528-A Rev 00A-23 IP ParametersIP Configuration ParametersParameter: IP AddressPath: Select IP from the Select Protocols wind

Configuring IP ServicesA-24303528-A Rev 00Parameter: Transmit Bcast AddrPath: Select IP from the Select Protocols window and click on OK.Default: 0.0.

Site Manager Parameters303528-A Rev 00A-25 IP Interface ParametersParameter: EnablePath: Configuration Manager > Protocols > IP > InterfacesD

Configuring IP ServicesA-26303528-A Rev 00Parameter: Broadcast AddressPath: Configuration Manager > Protocols > IP > InterfacesDefault: You s

Site Manager Parameters303528-A Rev 00A-27 Parameter: MTU DiscoveryPath: Configuration Manager > Protocols > IP > InterfacesDefault: OffOptio

IP Concepts, Terminology, and Features303528-A Rev 001-19 1188 IP over FDDI networks1209 IP over SDMS1256 ICMP Router Discovery messages1267 BGP-31293

Configuring IP ServicesA-28303528-A Rev 00Parameter: ASBPath: Configuration Manager > Protocols > IP > InterfacesDefault: OffOptions: On | Of

Site Manager Parameters303528-A Rev 00A-29 Parameter: ProxyPath: Configuration Manager > Protocols > IP > InterfacesDefault: OffOptions: On |

Configuring IP ServicesA-30303528-A Rev 00Parameter: Upd Xsum OnPath: Configuration Manager > Protocols > IP > InterfacesDefault: OnOptions:

Site Manager Parameters303528-A Rev 00A-31 Parameter: TR EndstationPath: Configuration Manager > Protocols > IP > InterfacesDefault: OffOptio

Configuring IP ServicesA-32303528-A Rev 00Parameter: Ethernet Arp EncapsPath: Configuration Manager > Protocols > IP > InterfacesDefault: ARP

Site Manager Parameters303528-A Rev 00A-33 Parameter: SMDS Arp Request AddressPath: Configuration Manager > Protocols > IP > InterfacesDefaul

Configuring IP ServicesA-34303528-A Rev 00Parameter: FRM Cast 1 DLCIPath: Configuration Manager > Protocols > IP > InterfacesDefault: 0Option

Site Manager Parameters303528-A Rev 00A-35 Parameter: MaskPath: Configuration Manager > Protocols > IP > InterfacesDefault: Slot-mask bit set

Configuring IP ServicesA-36303528-A Rev 00Parameter: Forward Cache SizePath: Configuration Manager > Protocols > IP > InterfacesDefault: 128

Site Manager Parameters303528-A Rev 00A-37 Parameter: Unnumbered Associated AlternatePath: Configuration Manager > Protocols > IP > Interface

Configuring IP ServicesA-38303528-A Rev 00Parameter: ARP Server ATM Address User PartPath: Configuration Manager > Protocols > IP > Interface

Site Manager Parameters303528-A Rev 00A-39 IP Global ParametersParameter: EnablePath: Configuration Manager > Protocols > IP > GlobalDefault:

Configuring IP ServicesA-40303528-A Rev 00Parameter: ARP ForwardingPath: Configuration Manager > Protocols > IP > GlobalDefault: ForwardingOp

Site Manager Parameters303528-A Rev 00A-41 Parameter: Nonlocal ARP DestinationPath: Configuration Manager > Protocols > IP > GlobalDefault: D

Configuring IP ServicesA-42303528-A Rev 00Parameter: RIP DiameterPath: Configuration Manager > Protocols > IP > GlobalDefault: 15Options: 1 t

Site Manager Parameters303528-A Rev 00A-43 Parameter: Estimated NetworksPath: Configuration Manager > Protocols > IP > GlobalDefault: 0Option

Configuring IP ServicesA-44303528-A Rev 00Parameter: Enable Default Route for SubnetsPath: Configuration Manager > Protocols > IP > GlobalDef

Site Manager Parameters303528-A Rev 00A-45 Parameter: RIP Maximum Equal Cost PathsPath: Configuration Manager > Protocols > IP > GlobalDefaul

Configuring IP ServicesA-46303528-A Rev 00Parameter: Enable ISP Mode SupportPath: Configuration Manager > Protocols > IP > GlobalDefault: Dis

Site Manager Parameters303528-A Rev 00A-47 Static Route ParametersParameter: EnablePath: Configuration Manager > Protocols > IP > Static Rout

303528-A Rev 002-1 Chapter 2Starting IP Services with the BCCThis chapter shows you how to use the BCC to perform a basic configuration -- that is, a

Configuring IP ServicesA-48303528-A Rev 00Parameter: Address MaskPath: Configuration Manager > Protocols > IP > Static RoutesDefault: NoneOpt

Site Manager Parameters303528-A Rev 00A-49 Parameter: Next Hop MaskPath: Configuration Manager > Protocols > IP > Static RoutesDefault: 0.0.0

Configuring IP ServicesA-50303528-A Rev 00Adjacent Host ParametersParameter: EnablePath: Configuration Manager > Protocols > IP > Adjacent Ho

Site Manager Parameters303528-A Rev 00A-51 Parameter: MAC AddressPath: Configuration Manager > Protocols > IP > Adjacent HostsDefault: NoneOp

Configuring IP ServicesA-52303528-A Rev 00Parameter: Remote Party Sub-AddressPath: Configuration Manager > Protocols > IP > Adjacent HostsDef

Site Manager Parameters303528-A Rev 00A-53 RIPSO ParametersParameter: GRE Connection NamePath: Configuration Manager > Protocols > IP > Adjac

Configuring IP ServicesA-54303528-A Rev 00Parameter: Strip SecurityPath: Configuration Manager > Protocols > IP > InterfacesDefault: NoneOpti

Site Manager Parameters303528-A Rev 00A-55 Parameter: Require Out SecurityPath: Configuration Manager > Protocols > IP > InterfacesDefault: A

Configuring IP ServicesA-56303528-A Rev 00Parameter: Min LevelPath: Configuration Manager > Protocols > IP > InterfacesDefault: UnclassifiedO

Site Manager Parameters303528-A Rev 00A-57 Parameter: Must Out AuthorityPath: Configuration Manager > Protocols > IP > InterfacesDefault: No

303528-A Rev 00vContents PrefaceBefore You Begin ...

Configuring IP Services2-2303528-A Rev 00Starting IPTo start IP on the router, you must:1. Configure a physical interface on an available slot/connect

Configuring IP ServicesA-58303528-A Rev 00Parameter: Must In AuthorityPath: Configuration Manager > Protocols > IP > InterfacesDefault: No au

Site Manager Parameters303528-A Rev 00A-59 Parameter: Implicit LabelPath: Configuration Manager > Protocols > IP > InterfacesDefault: EnableO

Configuring IP ServicesA-60303528-A Rev 00Parameter: Implicit LevelPath: Configuration Manager > Protocols > IP > InterfacesDefault: Unclassi

Site Manager Parameters303528-A Rev 00A-61 Parameter: Default AuthorityPath: Configuration Manager > Protocols > IP > InterfacesDefault: No a

Configuring IP ServicesA-62303528-A Rev 00Parameter: Error LabelPath: Configuration Manager > Protocols > IP > InterfacesDefault: EnableOptio

Site Manager Parameters303528-A Rev 00A-63 Router Discovery ParametersParameter: EnablePath: Configuration Manager > Protocols > IP > Router

Configuring IP ServicesA-64303528-A Rev 00Parameter: Maximum IntervalPath: Configuration Manager > Protocols > IP > Router DiscoveryDefault:

Site Manager Parameters303528-A Rev 00A-65 OSPF ParametersOSPF Global ParametersParameter: EnablePath: Configuration Manager > Protocols > IP &g

Configuring IP ServicesA-66303528-A Rev 00Parameter: AS Boundary RouterPath: Configuration Manager > Protocols > IP > OSPF > GlobalDefault

Site Manager Parameters303528-A Rev 00A-67 Parameter: OSPF SlotPath: Configuration Manager > Protocols > IP > OSPF > GlobalDefault: All sl

Starting IP Services with the BCC303528-A Rev 002-3 An IP interface is now configured on the Ethernet interface with default values for all interface

Configuring IP ServicesA-68303528-A Rev 00Parameter: Primary Log MaskPath: Configuration Manager > Protocols > IP > OSPF > GlobalDefault:

Site Manager Parameters303528-A Rev 00A-69 Parameter: Multicast ExtensionsPath: Configuration Manager > Protocols > IP > OSPF > GlobalDefa

Configuring IP ServicesA-70303528-A Rev 00Parameter: Opaque CapabilityPath: Configuration Manager > Protocols > IP > OSPF > GlobalDefault:

Site Manager Parameters303528-A Rev 00A-71 OSPF Interface ParametersParameter: RFC 1583 CompatibilityPath: Configuration Manager > Protocols > I

Configuring IP ServicesA-72303528-A Rev 00Parameter: Area AddressPath: Configuration Manager > Protocols > IP > OSPF > InterfacesDefault:

Site Manager Parameters303528-A Rev 00A-73 Parameter: Rtr PriorityPath: Configuration Manager > Protocols > IP > OSPF > InterfacesDefault:

Configuring IP ServicesA-74303528-A Rev 00Parameter: Retransmit IntervalPath: Configuration Manager > Protocols > IP > OSPF > InterfacesDe

Site Manager Parameters303528-A Rev 00A-75 Parameter: Dead IntervalPath: Configuration Manager > Protocols > IP > OSPF > InterfacesDefault

Configuring IP ServicesA-76303528-A Rev 00Parameter: Metric CostPath: Configuration Manager > Protocols > IP > OSPF > InterfacesDefault: 1

Site Manager Parameters303528-A Rev 00A-77 Parameter: MTU SizePath: Configuration Manager > Protocols > IP > OSPF > InterfacesDefault: 1Op

Configuring IP Services2-4303528-A Rev 00Starting OSPFYou start OSPF on the router by adding OSPF to an existing IP interface.Navigate to an IP interf

Configuring IP ServicesA-78303528-A Rev 00Parameter: Opaque OnPath: Configuration Manager > Protocols > IP > OSPF > InterfacesDefault: OnO

Site Manager Parameters303528-A Rev 00A-79 Neighbor Parameters for an NBMA InterfaceParameter: Neighbor’s IP AddressPath: Configuration Manager > P

Configuring IP ServicesA-80303528-A Rev 00OSPF Area ParametersParameter: PriorityPath: Configuration Manager > Protocols > IP > OSPF > Int

Site Manager Parameters303528-A Rev 00A-81 Parameter: Authentication TypePath: Configuration Manager > Protocols > IP > OSPF > AreasDefaul

Configuring IP ServicesA-82303528-A Rev 00Parameter: Stub Default MetricPath: Configuration Manager > Protocols > IP > OSPF > AreasDefault

Site Manager Parameters303528-A Rev 00A-83 Area Range ParametersParameter: Range NetPath: Configuration Manager > Protocols > IP > OSPF >

Configuring IP ServicesA-84303528-A Rev 00Parameter: EnablePath: Configuration Manager > Protocols > IP > OSPF > Areas > RangesDefault:

Site Manager Parameters303528-A Rev 00A-85 OSPF Virtual Interface ParametersParameter: MetricPath: Configuration Manager > Protocols > IP > O

Configuring IP ServicesA-86303528-A Rev 00Parameter: Retransmit IntervalPath: Configuration Manager > Protocols > IP > OSPF > Virtual Inte

Site Manager Parameters303528-A Rev 00A-87 Parameter: Dead IntervalPath: Configuration Manager > Protocols > IP > OSPF > Virtual Interface

Starting IP Services with the BCC303528-A Rev 002-5 Starting BGPTo start BGP:1. Configure BGP on the router.2. Define a BGP peer-to-peer connection.St

Configuring IP ServicesA-88303528-A Rev 00RIP ParametersParameter: EnablePath: Configuration Manager > Protocols > IP > RIP > InterfacesDe

Site Manager Parameters303528-A Rev 00A-89 Parameter: RIP ListenPath: Configuration Manager > Protocols > IP > RIP > InterfacesDefault: En

Configuring IP ServicesA-90303528-A Rev 00Parameter: Default Route ListenPath: Configuration Manager > Protocols > IP > RIP > InterfacesDe

Site Manager Parameters303528-A Rev 00A-91 Parameter: Time to LivePath Configuration Manager > Protocols > IP > RIP > InterfacesDefault: 1

Configuring IP ServicesA-92303528-A Rev 00Parameter: Holddown TimerPath: Configuration Manager > Protocols > IP > RIP > InterfacesDefault:

Site Manager Parameters303528-A Rev 00A-93 Parameter: RIP ModePath: Configuration Manager > Protocols > IP > RIP > InterfacesDefault: RIP

Parameter: Authentication TypePath: Configuration Manager > Protocols > IP > RIP > InterfacesDefault: NoneOptions: None | SimpleFunction:

Site Manager Parameters303528-A Rev 00A-95 NAT ParametersParameter: EnablePath: Configuration Manager > Protocols > IP > NAT > GlobalDefau

Configuring IP ServicesA-96303528-A Rev 00Parameter: Mapping Entry TimeoutPath: Configuration Manager > Protocols > IP > NAT > GlobalDefau

Site Manager Parameters303528-A Rev 00A-97 Parameter: Interface TypePath: Configuration Manager > Protocols > IP > NAT > InterfaceDefault:

Configuring IP Services2-6303528-A Rev 00Starting Router DiscoveryYou start Router Discovery by adding it to an IP interface.Navigate to an IP interfa

Configuring IP ServicesA-98303528-A Rev 00Parameter: EnablePath: Configuration Manager > Protocols > IP > NAT > Dynamic > LocalDefault:

Site Manager Parameters303528-A Rev 00A-99 Parameter: EnablePath: Configuration Manager > Protocols > IP > NAT > Dynamic > GlobalDefaul

Configuring IP ServicesA-100303528-A Rev 00GRE Tunnel Configuration ParametersParameter: Tunnel NamePath: Configuration Manager > Protocols > IP

Site Manager Parameters303528-A Rev 00A-101 Parameter: Connection NamePath: Configuration Manager > Protocols > IP > GRE > Remote Conn.Def

303528-A Rev 00B-1 Appendix BRouting PoliciesParameter: EnablePath: Configuration Manager > Protocols > IP > Policy Filters > RIP > Acc

Configuring IP ServicesB-2303528-A Rev 00Parameter: NamePath: Configuration Manager > Protocols > IP > Policy Filters > RIP > Accept Po

Routing Policies303528-A Rev 00B-3 Parameter: NetworksPath: Configuration Manager > Protocols > IP > Policy Filters > RIP > Accept Poli

Configuring IP ServicesB-4303528-A Rev 00Parameter: ActionPath: Configuration Manager > Protocols > IP > Policy Filters > RIP > Accept

Routing Policies303528-A Rev 00B-5 Parameter: Route PreferencePath: Configuration Manager > Protocols > IP > Policy Filters > RIP > Acc

303528-A Rev 003-1 Chapter 3Starting IP Services with Site ManagerThis chapter shows you how to use Site Manager to perform a basic configuration -- t

Configuring IP ServicesB-6303528-A Rev 00Parameter: Rule PrecedencePath: Configuration Manager > Protocols > IP > Policy Filters > RIP >

Routing Policies303528-A Rev 00B-7 RIP-Specific Accept Policy ParametersParameter: From GatewayPath: Configuration Manager > Protocols > IP >

Configuring IP ServicesB-8303528-A Rev 00OSPF-Specific Accept Policy ParametersParameter: Apply Subnet MaskPath: Configuration Manager > Protocols

Routing Policies303528-A Rev 00B-9 EGP-Specific Accept Policy ParametersParameter: TagPath: Configuration Manager > Protocols > IP > Policy F

Configuring IP ServicesB-10303528-A Rev 00Parameter: AS ListPath: Configuration Manager > Protocols > IP > Policy Filters > EGP > Accep

Routing Policies303528-A Rev 00B-11 BGP-3-Specific Accept Policy Parameters Parameter: Injection ListPath: Configuration Manager > Protocols > I

Configuring IP ServicesB-12303528-A Rev 00Parameter: Peer ASPath: Configuration Manager > Protocols > IP > Policy Filters > BGP3 > Acce

Routing Policies303528-A Rev 00B-13 Parameter: Route OriginPath: Configuration Manager > Protocols > IP > Policy Filters > BGP3 > Accep

Configuring IP ServicesB-14303528-A Rev 00Parameter: Community MatchPath: Configuration Manager > Protocols > IP > Policy Filters > BGP3 &

Routing Policies303528-A Rev 00B-15 BGP-4-Specific Accept Policy ParametersParameter: Injection ListPath: Configuration Manager > Protocols > IP

Configuring IP Services3-2303528-A Rev 00Starting IPBefore you can select a protocol to run on the router, you must configure a circuit that the proto

Configuring IP ServicesB-16303528-A Rev 00Parameter: Peer ASPath: Configuration Manager > Protocols > IP > Policy Filters > BGP4 > Acce

Routing Policies303528-A Rev 00B-17 Parameter: Route OriginPath: Configuration Manager > Protocols > IP > Policy Filters > BGP4 > Accep

Configuring IP ServicesB-18303528-A Rev 00Parameter: Local PreferencePath: Configuration Manager > Protocols > IP > Policy Filters > BGP4

Routing Policies303528-A Rev 00B-19 Parameter: AS PatternPath: Configuration Manager > Protocols > IP > Policy Filters > BGP4 > Accept

Configuring IP ServicesB-20303528-A Rev 00IP Announce Policy ParametersParameter: EnablePath: Configuration Manager > Protocols > IP > Policy

Routing Policies303528-A Rev 00B-21 Parameter: NamePath: Configuration Manager > Protocols > IP > Policy Filters > RIP > Announce Polic

Configuring IP ServicesB-22303528-A Rev 00Parameter: NetworksPath: Configuration Manager > Protocols > IP > Policy Filters > RIP > Anno

Routing Policies303528-A Rev 00B-23 Parameter: ActionPath: Configuration Manager > Protocols > IP > Policy Filters > RIP > Announce Pol

Configuring IP ServicesB-24303528-A Rev 00Parameter: Rule PrecedencePath: Configuration Manager > Protocols > IP > Policy Filters > RIP &g

Routing Policies303528-A Rev 00B-25 Parameter: Route SourcePath: Configuration Manager > Protocols > IP > Policy Filters > RIP > Announ

Starting IP Services with Site Manager303528-A Rev 003-3 Deleting IP from an InterfaceTo delete IP from an interface on which it is currently configur

Configuring IP ServicesB-26303528-A Rev 00Parameter: AdvertisePath: Configuration Manager > Protocols > IP > Policy Filters > RIP > Ann

Routing Policies303528-A Rev 00B-27 Parameter: From RIP GatewayPath: Configuration Manager > Protocols > IP > Policy Filters > RIP > An

Configuring IP ServicesB-28303528-A Rev 00Parameter: Received on RIP InterfacePath: Configuration Manager > Protocols > IP > Policy Filters &

Routing Policies303528-A Rev 00B-29 Parameter: From OSPF Router IDPath: Configuration Manager > Protocols > IP > Policy Filters > RIP >

Configuring IP ServicesB-30303528-A Rev 00Parameter: Received OSPF TypePath: Configuration Manager > Protocols > IP > Policy Filters > RIP

Routing Policies303528-A Rev 00B-31 Parameter: Received OSPF TagPath: Configuration Manager > Protocols > IP > Policy Filters > RIP > A

Configuring IP ServicesB-32303528-A Rev 00Parameter: From EGP PeerPath: Configuration Manager > Protocols > IP > Policy Filters > RIP >

Routing Policies303528-A Rev 00B-33 Parameter: From EGP ASPath: Configuration Manager > Protocols > IP > Policy Filters > RIP > Announc

Configuring IP ServicesB-34303528-A Rev 00Parameter: Received EGP GatewayPath: Configuration Manager > Protocols > IP > Policy Filters > R

Routing Policies303528-A Rev 00B-35 Parameter: From BGP PeerPath: Configuration Manager > Protocols > IP > Policy Filters > RIP > Annou

Configuring IP Services3-4303528-A Rev 00Starting RIPBefore you can select a protocol to run on the router, you must configure a circuit that the prot

Configuring IP ServicesB-36303528-A Rev 00Parameter: From BGP ASPath: Configuration Manager > Protocols > IP > Policy Filters > RIP > A

Routing Policies303528-A Rev 00B-37 Parameter: Received BGP Next HopPath: Configuration Manager > Protocols > IP > Policy Filters > RIP &g

Configuring IP ServicesB-38303528-A Rev 00RIP-Specific Announce Policy ParametersParameter: External Route SourcePath: Configuration Manager > Prot

Routing Policies303528-A Rev 00B-39 OSPF-Specific Announce Policy ParametersParameter: RIP MetricPath: Configuration Manager > Protocols > IP &g

Configuring IP ServicesB-40303528-A Rev 00Parameter: TagPath: Configuration Manager > Protocols > IP > Policy Filters > OSPF > Announce

Routing Policies303528-A Rev 00B-41 EGP-Specific Announce Policy ParametersParameter: External Route SourcePath: Configuration Manager > Protocols

Configuring IP ServicesB-42303528-A Rev 00Parameter: EGP Interface ListPath: Configuration Manager > Protocols > IP > Policy Filters > EGP

Routing Policies303528-A Rev 00B-43 BGP-3-Specific Announce Policy ParametersParameter: External Route SourcePath: Configuration Manager > Protocol

Configuring IP ServicesB-44303528-A Rev 00Parameter: Outbound PeersPath: Configuration Manager > Protocols > IP > Policy Filters > BGP3 &g

Routing Policies303528-A Rev 00B-45 Parameter: Specific Inter-AS MetricPath: Configuration Manager > Protocols > IP > Policy Filters > BGP

Starting IP Services with Site Manager303528-A Rev 003-5 Adding RIP to an IP InterfaceTo add RIP to an IP interface, proceed as follows:Site Manager P

Configuring IP ServicesB-46303528-A Rev 00Parameter: Next HopPath: Configuration Manager > Protocols > IP > Policy Filters > BGP3 > Ann

Routing Policies303528-A Rev 00B-47 BGP-4-Specific Announce Policy ParametersParameter: External Route SourcePath: Configuration Manager > Protocol

Configuring IP ServicesB-48303528-A Rev 00Parameter: Outbound PeersPath: Configuration Manager > Protocols > IP > Policy Filters > BGP4 &g

Routing Policies303528-A Rev 00B-49 Parameter: Multi-Exit Discriminator ValuePath: Configuration Manager > Protocols > IP > Policy Filters &g

Configuring IP ServicesB-50303528-A Rev 00Parameter: AS PathPath: Configuration Manager > Protocols > IP > Policy Filters > BGP4 > Anno

Routing Policies303528-A Rev 00B-51 Parameter: Local Preference ValuePath: Configuration Manager > Protocols > IP > Policy Filters > BGP4

Configuring IP ServicesB-52303528-A Rev 00Parameter: AS PatternPath: Configuration Manager > Protocols > IP > Policy Filters > BGP4 > A

303528-A Rev 00C-1 Appendix CImport and Export Route FiltersRIP Import FiltersParameter: Import AddressPath: Configuration Manager > Protocols >

Configuring IP ServicesC-2303528-A Rev 00Parameter: Import MaskPath: Configuration Manager > Protocols > IP > Route Filters > RIP > Imp

Import and Export Route Filters303528-A Rev 00C-3 Parameter: InterfacePath: Configuration Manager > Protocols > IP > Route Filters > RIP &

vi303528-A Rev 00Chapter 2 Starting IP Services with the BCCStarting IP ...

Configuring IP Services3-6303528-A Rev 00Deleting RIP from an IP InterfaceTo delete RIP from an interface on which it is currently configured, proceed

Configuring IP ServicesC-4303528-A Rev 00Parameter: PreferencePath: Configuration Manager > Protocols > IP > Route Filters > RIP > Impo

Import and Export Route Filters303528-A Rev 00C-5 RIP Export FiltersParameter: Apply Subnet MaskPath: Configuration Manager > Protocols > IP >

Configuring IP ServicesC-6303528-A Rev 00Parameter: Export MaskPath: Configuration Manager > Protocols > IP > Route Filters > RIP > Exp

Import and Export Route Filters303528-A Rev 00C-7 Parameter: InterfacePath: Configuration Manager > Protocols > IP > Route Filters > RIP &

Configuring IP ServicesC-8303528-A Rev 00OSPF Import FiltersParameter: RIP MetricPath: Configuration Manager > Protocols > IP > Route Filters

Import and Export Route Filters303528-A Rev 00C-9 OSPF Export FiltersParameter: PreferencePath: Configuration Manager > Protocols > IP > Rout

Configuring IP ServicesC-10303528-A Rev 00Parameter: Export MaskPath: Configuration Manager > Protocols > IP > Route Filters > OSPF > E

Import and Export Route Filters303528-A Rev 00C-11 Parameter: EnablePath: Configuration Manager > Protocols > IP > Route Filters > OSPF &g

Configuring IP ServicesC-12303528-A Rev 00BGP-3 Import FiltersParameter: TagPath: Configuration Manager > Protocols > IP > Route Filters >

Import and Export Route Filters303528-A Rev 00C-13 Parameter: Import MaskPath: Configuration Manager > Protocols > IP > Route Filters > BG

Starting IP Services with Site Manager303528-A Rev 003-7 Starting OSPFBefore you can select a protocol to run on the router, you must configure a circ

Configuring IP ServicesC-14303528-A Rev 00Parameter: Import Peer AddressPath: Configuration Manager > Protocols > IP > Route Filters > BGP

Import and Export Route Filters303528-A Rev 00C-15 Parameter: Import ActionPath: Configuration Manager > Protocols > IP > Route Filters >

Configuring IP ServicesC-16303528-A Rev 00Parameter: PreferencePath: Configuration Manager > Protocols > IP > Route Filters > BGP3 > Im

Import and Export Route Filters303528-A Rev 00C-17 BGP-3 Export FiltersParameter: Export AddressPath: Configuration Manager > Protocols > IP >

Configuring IP ServicesC-18303528-A Rev 00Parameter: Export from ProtocolPath: Configuration Manager > Protocols > IP > Route Filters > BG

Import and Export Route Filters303528-A Rev 00C-19 Parameter: Export EnablePath: Configuration Manager > Protocols > IP > Route Filters >

Configuring IP ServicesC-20303528-A Rev 00Parameter: Export OriginPath: Configuration Manager > Protocols > IP > Route Filters > BGP3 >

Import and Export Route Filters303528-A Rev 00C-21 EGP Import FiltersParameter: Import AddressPath: Configuration Manager > Protocols > IP >

Configuring IP ServicesC-22303528-A Rev 00Parameter: Import GatewayPath: Configuration Manager > Protocols > IP > Route Filters > EGP >

Import and Export Route Filters303528-A Rev 00C-23 EGP Export Filters Parameter: PreferencePath: Configuration Manager > Protocols > IP > Rou

Configuring IP Services3-8303528-A Rev 00Deleting OSPF from an IP InterfaceTo delete OSPF from an interface on which it is currently configured, proce

Configuring IP ServicesC-24303528-A Rev 00Parameter: Export MaskPath: Configuration Manager > Protocols > IP > Route Filters > EGP > Ex

Import and Export Route Filters303528-A Rev 00C-25 Parameter: Export PeerPath: Configuration Manager > Protocols > IP > Route Filters > EG

Configuring IP ServicesC-26303528-A Rev 00Parameter: Export OSPF TagPath: Configuration Manager > Protocols > IP > Route Filters > EGP >

Import and Export Route Filters303528-A Rev 00C-27 Parameter: InterfacePath: Configuration Manager > Protocols > IP > Route Filters > EGP

303528-A Rev 00D-1 Appendix DRoute Weight Worksheet1.Select one route from the following list:2.Multiply the value associated with the route by the fo

Configuring IP ServicesD-2303528-A Rev 003.Select one route from the following list:4.Multiply the value associated with the route by the following de

Route Weight Worksheet303528-A Rev 00D-3 6.Multiply the value associated with the route by the following decimal or hexadecimal value:2097152 x ______

Configuring IP ServicesD-4303528-A Rev 008.Add the values you have calculated.________________________________________________The total is the route w

303528-A Rev 00E-1 Appendix EIP/OSPF ConfigurationThe IP/OSPF configuration in Figure E-1 shows an AS divided into different types of OSPF areas using

Starting IP Services with Site Manager303528-A Rev 003-9 Starting BGPBefore you can select a protocol to run on the router, you must configure a circu

Configuring IP ServicesE-2303528-A Rev 00Figure E-1. IP/OSPF ConfigurationFDDIF31.4F31.2F31.3.5 F31.1 F31E21128.10.2.65255.255.255.192128.10.6.0255.

IP/OSPF Configuration303528-A Rev 00E-3 Tables E-1 to E-6 list nondefault configuration parameters for router 1 through router 6. Parameters that are

Configuring IP ServicesE-4303528-A Rev 00Table E-2. Area Border Router 2Site Manager Window/Parameter SettingInterface F31IP Configuration/IP Address

IP/OSPF Configuration303528-A Rev 00E-5 Table E-3. Area Border Router 3Site Manager Window/Parameter SettingInterface F31IP Configuration/IP Address

Configuring IP ServicesE-6303528-A Rev 00Table E-4. Area Border Router 4Site Manager Window/Parameter SettingInterface F31IP Configuration/IP Address

IP/OSPF Configuration303528-A Rev 00E-7 Table E-5. Internal Backbone Router 5Site Manager Window/Parameter SettingInterface F31IP Configuration/IP Ad

303528-A Rev 00Index-1Aaccept policies for IP, 1-14accept policies, maximum number for IP, 4-16acquisition mode for EGP neighbors, 9-12Acquisition Mod

Index-2303528-A Rev 00AS parameter, 8-54, A-14AS weights for BGP, 8-53ASB parameter, 4-42, A-28as-boundary-router command, 7-14as-default-tag command,

303528-A Rev 00Index-3BGP-3 parametersBGP-3 Preference, C-16Enable, C-15Export Action, C-19Export Address, C-17Export Enable, C-19Export from Protocol

Configuring IP Services3-10303528-A Rev 00Deleting BGP from the RouterYou can delete BGP from all router circuits on which it is currently enabled. To

Index-4303528-A Rev 00Destination IP Address parameter, 4-59, A-47Deterministic Mcast Hold Down parameter, A-70dial-optimized routing for RIP, 6-22dis

303528-A Rev 00Index-5Enable parameteradjacent host, 4-55, A-50BGP peer, A-9BGP-3, 8-12, A-7BGP-4, 8-12, A-7EGP, 9-6, A-18EGP neighbor, 9-11, A-21glob

GGateway Mode parameterEGP neighbor, 3-12, 9-10, A-20Generic Routing Encapsulation (GRE), 13-6global address rangesdeleting, 12-23global address range

303528-A Rev 00Index-7IPdeleting from an interface, 3-3equal-cost multipath, 4-18globalenabling and disabling, 4-5forwarding mode, 4-6interfaceall-sub

Index-8303528-A Rev 00Maximum Interval parameter, 4-63, A-64Maximum Policy Rules parameter, 4-16, A-44max-update-size command, 8-44max-version command

303528-A Rev 00Index-9OOpaque Capability parameter, A-70Opaque On parameter, A-78OSPFareacreating, 7-48enabling and disabling, 7-49area ID for, 7-29ar

Index-10303528-A Rev 00Poisoned Reverse parameter, 6-12, A-90poisoned reverse, RIP updates, 6-11policiesIP accept and announce, 4-16policies, definiti

303528-A Rev 00Index-11RRange Mask parameter, 7-53, A-83Range Net parameter, 7-53, A-83Redirect parameter, 4-40, A-31redundant-connection command, 8-1

Index-12303528-A Rev 00route-echo command, 8-46route-filters command, 4-17Router Discoverybroadcast type for advertisements, 4-62definition of, 1-11,

303528-A Rev 00Index-13TTag Generation Method parameter, 7-20, A-68technical publications, xxviitechnical support, xxviitext conventions, xxivTime to

Starting IP Services with Site Manager303528-A Rev 003-11 To delete BGP-4, complete the following steps:Customizing BGPThe instructions in this chapte

Configuring IP Services3-12303528-A Rev 00Starting EGPBefore you can select a protocol to run on the router, you must configure a circuit that the pro

Starting IP Services with Site Manager303528-A Rev 003-13 Deleting EGP from the RouterYou can delete EGP from all router circuits on which it is curre

Configuring IP Services3-14303528-A Rev 00Starting NATBefore you can choose a protocol to run on the router, you must configure a circuit that the pro

Starting IP Services with Site Manager303528-A Rev 003-15 Deleting NAT from an IP InterfaceTo delete NAT from an interface on which it is currently co

303528-A Rev 00viiUsing the Circuitless IP Interface ...3-16Starting IP

Configuring IP Services3-16303528-A Rev 00Using the Circuitless IP InterfaceA circuitless IP interface has an IP address that is not mapped to a speci

Starting IP Services with Site Manager303528-A Rev 003-17 Starting IP on the Circuitless InterfaceTo configure a circuitless IP interface, begin at th

Configuring IP Services3-18303528-A Rev 00Choosing Slots to Support the Circuitless InterfaceBy default, all slots support the IP circuitless interfac

Starting IP Services with Site Manager303528-A Rev 003-19 Configuring an Unnumbered IP InterfaceIP allows you to configure an interface on a point-to-

Configuring IP Services3-20303528-A Rev 00Because all traffic over an unnumbered interface uses broadcast addressing at the link layer, neither an adj

Starting IP Services with Site Manager303528-A Rev 003-21 Using the Alternate Associated Address OptionThe alternate associated address option ensures

303528-A Rev 004-1 Chapter 4Configuring and Customizing IPYou customize IP services by setting parameters as described under the following topics:Topi

Configuring IP Services4-2303528-A Rev 00Customizing IP Global ParametersWhen you configure an IP interface on a slot, IP is automatically configured

Configuring and Customizing IP303528-A Rev 004-3 Navigating the BCC to the IP Global PromptBeginning at the top-level box prompt, enter:ipThe IP globa

viii303528-A Rev 00Disabling and Reenabling ICMP Redirect Messages ...4-39Enabling All-Subnet Broadcasting

Configuring IP Services4-4303528-A Rev 00Opening the Site Manager Window for IP Global ParametersUse the following Site Manager procedure to open the

Configuring and Customizing IP303528-A Rev 004-5 Disabling and Reenabling Global IPIP is enabled on the slot by default. You can change the state of I

Configuring IP Services4-6303528-A Rev 00Configuring the Router for Not-Forwarding ModeBy default, IP forwards all packets that are not addressed to i

Configuring and Customizing IP303528-A Rev 004-7 Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager wi

Configuring IP Services4-8303528-A Rev 00Configuring Bridging on a Router in Not-Forwarding ModeBecause the IP router does not forward IP traffic in n

Configuring and Customizing IP303528-A Rev 004-9 ES > Token > Bay > FDDI > Bay Not supportedES > Token > Bay > PTP > Bay Not s

Configuring IP Services4-10303528-A Rev 00Bay > PPP††† > Bay Not supportedBay > Eth > Bay > Eth > ES‡‡‡ SupportedBay > Token >

Configuring and Customizing IP303528-A Rev 004-11 Setting the Time-to-Live Value on a Source PacketEach IP data packet includes a time-to-live (TTL) v

Configuring IP Services4-12303528-A Rev 00Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window, c

Configuring and Customizing IP303528-A Rev 004-13 Allowing an All-Zero or All-One Subnet AddressBy default, for IP, an address with a subnet portion o

303528-A Rev 00ixChapter 6 Customizing RIP ServicesCustomizing RIP Global Parameters ...

Configuring IP Services4-14303528-A Rev 00Estimating the Size of the Routing TableIP allows you to estimate how many networks and hosts require an ent

Configuring and Customizing IP303528-A Rev 004-15 Using a Default Route for an Unknown SubnetBy default, IP drops packets addressed to an unknown subn

Configuring IP Services4-16303528-A Rev 00Specifying the Maximum Number of IP PoliciesBy default, IP allows you configure up to 32 announce policies a

Configuring and Customizing IP303528-A Rev 004-17 Disabling and Reenabling Route Filter SupportBy default, IP supports route filters. When route filte

Configuring IP Services4-18303528-A Rev 00Enabling Equal-Cost Multipath SupportBy default, IP stores the best next hop to a destination in the routing

Configuring and Customizing IP303528-A Rev 004-19 Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager w

Configuring IP Services4-20303528-A Rev 00Configuring Equal-Cost Multipath for RIP and OSPFBy default, the IP routing table contains a single “best” R

Configuring and Customizing IP303528-A Rev 004-21 Using the BCCTo specify the maximum number of equal-cost paths for RIP, navigate to the IP global pr

Configuring IP Services4-22303528-A Rev 00Enabling and Disabling ECMP Support for IBGPBy default, in cases where IBGP uses the IP routing table to det

Configuring and Customizing IP303528-A Rev 004-23 Using the BCCNavigate to the IP global prompt and enter:isp-mode statestate is one of the following: