Avaya Configuring IP Services Uživatelský manuál

Part No. 117356-A Rev. ASeptember 1997BayRS Version 12.00Site Manager Software Version 6.00 Configuring IPServices

x 117356-A Rev. A Setting the Holddown Timer ...7-23Configuring Messag

Configuring IP Services4-24 117356-A Rev. ACustomizing an IP InterfaceAn IP network interface consists of a physical circuit configured with the approp

Customizing IP Services117356-A Rev. A 4-25Note: When you reconfigure an interface in dynamic mode, IP restarts on that interface. Thus, if the interfa

Configuring IP Services4-26 117356-A Rev. AWhen you configure an IP interface on a circuit, the interface is enabled with default values for all interf

Customizing IP Services117356-A Rev. A 4-27Navigating the BCC to an IP Interface PromptBeginning at the prompt for the slot/connector on which you hav

Configuring IP Services4-28 117356-A Rev. AOpening the Site Manager Window for IP Interface ParametersUse the following Site Manager procedure to open

Customizing IP Services117356-A Rev. A 4-29Configuring a Multinet InterfaceThe multinet capability allows you to assign multiple IP network/subnet addr

Configuring IP Services4-30 117356-A Rev. ADisabling and Reenabling an IP InterfaceWhen you configure an IP interface on a circuit, the interface is au

Customizing IP Services117356-A Rev. A 4-31Specifying a Broadcast Address for an InterfaceIn broadcasting, the IP router transmits a single packet to

Configuring IP Services4-32 117356-A Rev. AUsing Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window, c

Customizing IP Services117356-A Rev. A 4-33Specifying a Subnet Broadcast AddressYou configure a broadcast address for a subnet differently from the way

117356-A Rev. A xiBGP Implementation Notes ...8-8Configuring BGP on

Configuring IP Services4-34 117356-A Rev. ASpecifying the Cost of an InterfaceEach IP interface has an assigned cost. The interface cost is added to r

Customizing IP Services117356-A Rev. A 4-35Enabling MTU Discovery on an InterfaceA probe MTU is a request for the maximum transmission unit (MTU) size

Configuring IP Services4-36 117356-A Rev. AUsing Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window, c

Customizing IP Services117356-A Rev. A 4-37Enabling and Disabling ICMP Address-Mask RepliesYou can configure IP to generate ICMP (Internet Control Mess

Configuring IP Services4-38 117356-A Rev. AUsing Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window, c

Customizing IP Services117356-A Rev. A 4-39Disabling and Reenabling ICMP Redirect MessagesAn ICMP redirect is a message sent by the router to alert a

Configuring IP Services4-40 117356-A Rev. AUsing Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window, c

Customizing IP Services117356-A Rev. A 4-41Enabling All-Subnet Broadcasting on an InterfaceAn all-subnet broadcast (ASB) datagram has a destination ad

Configuring IP Services4-42 117356-A Rev. AUsing Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window, c

Customizing IP Services117356-A Rev. A 4-43Disabling UDP Checksum Processing on the InterfaceBy default, UDP checksum processing is enabled on this in

xii 117356-A Rev. A Customizing EGP on the Router ...9-6Enabling an

Configuring IP Services4-44 117356-A Rev. AUsing Site ManagerUse the default in virtually all instances. Disable UDP checksum processing to provide ba

Customizing IP Services117356-A Rev. A 4-45Specifying a MAC Address or E.164 AddressYou can use the BCC or Site Manager to specify a MAC address or an

Configuring IP Services4-46 117356-A Rev. AEnabling Source Routing over a Token Ring NetworkThe IP router can route over token ring (TR) networks that

Customizing IP Services117356-A Rev. A 4-47Upon receiving the packet from the Token Ring network, the peer router strips off the RIF and continues to

Configuring IP Services4-48 117356-A Rev. AUsing Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window, c

Customizing IP Services117356-A Rev. A 4-49Configuring an SMDS AddressBy default, if the interface is connected to an SMDS network, IP uses the SMDS-co

Configuring IP Services4-50 117356-A Rev. AConfiguring a WAN Address for a Frame Relay NetworkIf the interface is connected to a frame relay network, y

Customizing IP Services117356-A Rev. A 4-51Specifying the Maximum Size of the Forwarding TableTo minimize the amount of time it spends looking up rout

Configuring IP Services4-52 117356-A Rev. ABy default, IP allocates a cache for 128 destination entries on the interface. You can specify a different

Customizing IP Services117356-A Rev. A 4-53Configuring an Interface for an ATM Logical IP SubnetRFC 1577, “Classical IP and ARP over ATM, ” is a specifi

117356-A Rev. A xiii Chapter 12Configuring Network Address Translation Overview ...

Configuring IP Services4-54 117356-A Rev. AUsing the BCCTo specify the ATMARP mode, navigate to an IP interface-specific prompt and enterarp-mode modem

Customizing IP Services117356-A Rev. A 4-55Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window, c

Configuring IP Services4-56 117356-A Rev. ADefining an Adjacent HostAn adjacent host is a device on a locally attached network. This device may or may

Customizing IP Services117356-A Rev. A 4-57Site Manager ProcedureYou do this System responds1. In the Configuration Manager window, choose Protocols.Th

Configuring IP Services4-58 117356-A Rev. ADefining a Static RouteA static route is a manually configured route that specifies the transmission path a da

Customizing IP Services117356-A Rev. A 4-59Defining a Default RouteIf IP receives a data packet with a destination address that it is unable to match i

Configuring IP Services4-60 117356-A Rev. AFor example, consider a router that advertises an aggregate route using the supernet address 192.32.0.0/255

Customizing IP Services117356-A Rev. A 4-61Configuring and Customizing Router DiscoveryBefore a host can send IP datagrams beyond its directly attached

Configuring IP Services4-62 117356-A Rev. AEnabling and Disabling Router DiscoveryYou can use Site Manager to enable and disable router discovery on a

Customizing IP Services117356-A Rev. A 4-63Specifying a Minimum Time Interval Between AdvertisementsYou can use Site Manager to specify the minimum nu

xiv 117356-A Rev. A EGP Parameters ... A-17EGP

Configuring IP Services4-64 117356-A Rev. AConfiguring the Lifetime of Advertised AddressesYou can use Site Manager to specify the maximum length of ti

117356-A Rev. A 5-1Chapter 5Configuring Address ResolutionYou configure address resolution by setting parameters as described under the following topics

Configuring IP Services5-2 117356-A Rev. AARP OverviewThe IP router needs both a physical address and an IP address to transmit a datagram. In situati

Configuring Address Resolution117356-A Rev. A 5-3 In Figure 5-1, the router wants to send a packet to Host C but knows only Host C’s IP address. The r

Configuring IP Services5-4 117356-A Rev. AEnabling and Disabling Global ARPARP is configured and enabled on the router at startup. You can use the BCC

Configuring Address Resolution117356-A Rev. A 5-5Customizing Global ARP CharacteristicsYou can use the BCC or Site Manager to • Control how ARP acts i

Configuring IP Services5-6 117356-A Rev. ASelecting an Address Resolution Scheme for an IP InterfaceIn addition to ARP, IP supports Inverse ARP, HP Pr

Configuring Address Resolution117356-A Rev. A 5-7By default, ARP is enabled on the interface. You can use the BCC or Site Manager to specify an addres

Configuring IP Services5-8 117356-A Rev. ASelecting an Encapsulation Option for ARP and ProbeIf you select ARP, Probe, or ARP/Probe, you must also sel

Configuring Address Resolution117356-A Rev. A 5-9Enabling Proxy ARP on an InterfaceProxy ARP allows a router to answer a local ARP request for a remot

117356-A Rev. A xv Appendix CImport and Export Route Filters RIP Import Filters ...

Configuring IP Services5-10 117356-A Rev. AWith Proxy ARP enabled, the router will respond with an ARP reply if there is a valid route (that is, if th

Configuring Address Resolution117356-A Rev. A 5-11Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager wi

Configuring IP Services5-12 117356-A Rev. ATiming Out Entries in the Address Resolution CacheIP maintains an address resolution cache on each interfac

Configuring Address Resolution117356-A Rev. A 5-13Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager wi

117356-A Rev. A 6-1Chapter 6Customizing RIP ServicesYou customize RIP by setting RIP parameters as described under the following topics:Topic PageCust

Configuring IP Services6-2 117356-A Rev. ACustomizing RIP Global ParametersWhen you add the Routing Information Protocol (RIP) to an IP interface, RIP

Customizing RIP Services117356-A Rev. A 6-3Setting the RIP DiameterThe RIP diameter is a hop count that RIP uses to denote infinity. For RIP to operate

Configuring IP Services6-4 117356-A Rev. ACustomizing a RIP InterfaceWhen you add RIP to an IP interface, RIP is enabled with default values for all p

Customizing RIP Services117356-A Rev. A 6-5Navigating the BCC to a RIP Interface PromptBeginning at the prompt for an IP interface that you have config

Configuring IP Services6-6 117356-A Rev. AOpening the Site Manager for RIP InterfacesUse the following Site Manager procedure to open the RIP Interfac

Customizing RIP Services117356-A Rev. A 6-7Disabling and Reenabling RIP on an InterfaceYou can use the BCC or Site Manager to change the state of RIP

Configuring IP Services6-8 117356-A Rev. ASelecting the RIP VersionYou can specify whether RIP sends Version 1 updates, Version 2 updates with no aggr

Customizing RIP Services117356-A Rev. A 6-9Using Site ManagerSite Manager PathYou do this System responds1. In the Configuration Manager window, choose

Configuring IP Services6-10 117356-A Rev. ASupplying RIP Updates on an InterfaceBy default, RIP supplies RIP updates to neighboring networks on each i

Customizing RIP Services117356-A Rev. A 6-11Specifying the Update ModeRIP can issue routing updates in the following modes:• Poisoned reverse mode (th

Configuring IP Services6-12 117356-A Rev. AUsing Site ManagerSite Manager PathYou do this System responds1. In the Configuration Manager window, choose

Customizing RIP Services117356-A Rev. A 6-13Sending Triggered UpdatesRIP generates full routing updates at regular intervals. You can also configure RI

Configuring IP Services6-14 117356-A Rev. AUsing Site ManagerSite Manager PathYou do this System responds1. In the Configuration Manager window, choose

Customizing RIP Services117356-A Rev. A 6-15Specifying a Time-to-Live ValueBy default, RIP inserts a time-to-live (TTL) value of 1 hop into each outbo

117356-A Rev. A xvii Figures Figure 1-1. Network and Host Portions of IP Addresses ...1-3Figure 1-2. Interne

Configuring IP Services6-16 117356-A Rev. AUsing Site ManagerSite Manager PathYou do this System responds1. In the Configuration Manager window, choose

Customizing RIP Services117356-A Rev. A 6-17Receiving RIP Updates on an InterfaceBy default, RIP listens for routing updates on every interface on whi

Configuring IP Services6-18 117356-A Rev. AUsing Site ManagerSite Manager PathYou do this System responds1. In the Configuration Manager window, choose

Customizing RIP Services117356-A Rev. A 6-19Authenticating the Password on a Version 2 UpdateBy default, RIP running in RIP Version 2 mode does not au

Configuring IP Services6-20 117356-A Rev. AUsing Site ManagerSite Manager PathYou do this System responds1. In the Configuration Manager window, choose

Customizing RIP Services117356-A Rev. A 6-21Supplying a Default Route on an InterfaceWhen the routing table does not contain the route to a particular

Configuring IP Services6-22 117356-A Rev. AUsing Site ManagerSite Manager PathYou do this System responds1. In the Configuration Manager window, choose

Customizing RIP Services117356-A Rev. A 6-23Listening for a Default RouteBy default, RIP ignores inbound advertisements of a default route on the inte

Configuring IP Services6-24 117356-A Rev. AConfiguring a RIP Interface for Dial-Optimized RoutingDial-optimized routing is a method of reducing costs o

Customizing RIP Services117356-A Rev. A 6-25Setting RIP Timers on an InterfaceConfigurable timers determine the way RIP manages route information on an

xviii 117356-A Rev. A Figure 12-2. NAT Detects the Unregistered Source Address ...12-5Figure 12-3. NAT Updates the

Configuring IP Services6-26 117356-A Rev. AUsing Site ManagerSite Manager PathYou do this System responds1. In the Configuration Manager window, choose

Customizing RIP Services117356-A Rev. A 6-27Specifying a Timeout PeriodBy default, RIP waits 90 seconds for an update from a network before it conside

Configuring IP Services6-28 117356-A Rev. AUsing Site ManagerSite Manager PathYou do this System responds1. In the Configuration Manager window, choose

Customizing RIP Services117356-A Rev. A 6-29Specifying a Holddown PeriodOnce RIP has determined that a network is unreachable, RIP continues to advert

Configuring IP Services6-30 117356-A Rev. AUsing Site ManagerSite Manager PathYou do this System responds1. In the Configuration Manager window, choose

Customizing RIP Services117356-A Rev. A 6-31Specifying a Stabilization TimeThe stabilization time is the period that RIP allows itself to learn all ro

Configuring IP Services6-32 117356-A Rev. AConfiguring RIP PoliciesFor an introduction to IP policies, see “IP Routing Policies and Filters” on page 1-

Customizing RIP Services117356-A Rev. A 6-33Configuring a RIP Accept PolicyA RIP accept policy governs the addition of new routes to the routing tables

Configuring IP Services6-34 117356-A Rev. AUsing Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window, c

Customizing RIP Services117356-A Rev. A 6-35Configuring a RIP Announce PolicyAn announce policy governs the advertisement of routing information. When

117356-A Rev. A xix Tables Table 1-1. Subnet Masks for Class B and Class C Addresses ...1-6Table 1-2. IP Router RFC Su

Configuring IP Services6-36 117356-A Rev. AUsing Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window, c

117356-A Rev. A 7-1Chapter 7Customizing OSPF ServicesYou customize OSPF by setting OSPF parameters as described under the following topics:Topic PageO

Configuring IP Services7-2 117356-A Rev. AOSPF Concepts and TerminologyOSPF is a link-state protocol. A router running a link-state protocol periodica

Customizing OSPF Services117356-A Rev. A 7-3OSPF Addresses and Variable-Length MasksA destination in as OSPF route advertisement is expressed as an IP

Configuring IP Services7-4 117356-A Rev. ANeighbor AdjacenciesNeighbors may form an adjacency for the purpose of exchanging routing information. When

Customizing OSPF Services117356-A Rev. A 7-5OSPF AreasOSPF routers reduce and restrict the amount of internal and external routing information that is

Configuring IP Services7-6 117356-A Rev. AOSPF Router TypesOSPF defines three router types: internal routers, border routers, and boundary routers.A ro

Customizing OSPF Services117356-A Rev. A 7-7OSPF Implementation NotesThis section provides some suggestions to help you configure your OSPF network. Th

Configuring IP Services7-8 117356-A Rev. ACustomizing OSPF Global FeaturesOSPF global features affect the way OSPF runs on the router. They apply to a

Customizing OSPF Services117356-A Rev. A 7-9Navigating the BCC to the OSPF Global PromptBeginning at the global IP prompt, enterospfTo display OSPF gl

ii 117356-A Rev. A4401 Great America Parkway 8 Federal StreetSanta Clara, CA 95054 Billerica, MA 01821 Copyright © 1997 Bay Networks, Inc. All rights

Configuring IP Services7-10 117356-A Rev. AOpening the Site Manager Window for OSPF Global ParametersUse the following Site Manager procedure to open

Customizing OSPF Services117356-A Rev. A 7-11Enabling and Disabling OSPF on the RouterWhen you start OSPF on the router, OSPF is automatically enabled

Configuring IP Services7-12 117356-A Rev. ASupplying an OSPF IDEach router configured with OSPF has an OSPF ID. This IP address uniquely identifies this

Customizing OSPF Services117356-A Rev. A 7-13Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window,

Configuring IP Services7-14 117356-A Rev. AConfiguring the Soloist and Backup Soloist on a SlotThe OSPF protocol is implemented as a soloist -- that is

Customizing OSPF Services117356-A Rev. A 7-15Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window,

Configuring IP Services7-16 117356-A Rev. AEnabling the Boundary FunctionAn OSPF boundary router1. Receives information about routes outside the OSPF

Customizing OSPF Services117356-A Rev. A 7-17Configuring the Metric Type for an ASE AdvertisementEach ASE that a boundary router injects into the AS in

Configuring IP Services7-18 117356-A Rev. AFigure 7-2. OSPF ASE RoutesBy default, an OSPF boundary router generates a Type 2 metric for BGP, EGP, or R

Customizing OSPF Services117356-A Rev. A 7-19Using the BCC or Site Manager, you can configure a boundary router to use the route weight as the OSPF met

117356-A Rev. A xxi About This Guide If you are responsible for configuring IP services, you need to read this guide.You can now use the Bay Command

Configuring IP Services7-20 117356-A Rev. AChoosing a Tag Generation Method for an ASE AdvertisementAn OSPF AS external route advertisement includes a

Customizing OSPF Services117356-A Rev. A 7-21In Figure 7-2, for example, boundary router A running OSPF and BGP learns external routes via BGP:1. Rout

Configuring IP Services7-22 117356-A Rev. AYou can use the BCC or Site Manager to choose the tag generation method.Using the BCCNavigate the global IP

Customizing OSPF Services117356-A Rev. A 7-23Setting the Holddown TimerThe holddown timer controls how often OSPF calculates a route. Its purpose is t

Configuring IP Services7-24 117356-A Rev. AConfiguring Message LoggingOSPF maintains a primary and backup log for OSPF messages. By default, OSPF logs

Customizing OSPF Services117356-A Rev. A 7-25Using the BCCTo specify the messages that OSPF writes to the primary log, navigate to the global OSPF pro

Configuring IP Services7-26 117356-A Rev. AUsing Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window, c

Customizing OSPF Services117356-A Rev. A 7-27Customizing OSPF on an IP InterfaceWhen you add OSPF to an IP interface, OSPF is configured on the interfa

Configuring IP Services7-28 117356-A Rev. ANavigating the BCC to an OSPF Interface PromptBeginning at the prompt for an IP interface to which you have

Customizing OSPF Services117356-A Rev. A 7-29Opening the Site Manager Window for OSPF InterfacesUse the following Site Manager procedure to open the O

Configuring IP Servicesxxii 117356-A Rev. A Before You Begin Before using this guide, you must complete the following procedures. For a new router:•

Configuring IP Services7-30 117356-A Rev. AEnabling and Disabling OSPFWhen you add OSPF to an IP interface, OSPF is automatically enabled on that inte

Customizing OSPF Services117356-A Rev. A 7-31Configuring an Area IDIn an AS that contains multiple areas, each OSPF interface is configured with the ID

Configuring IP Services7-32 117356-A Rev. ASpecifying the Network TypeOSPF interfaces support communications over four network types: • A broadcast ne

Customizing OSPF Services117356-A Rev. A 7-33Using the BCCNavigate to an interface-specific OSPF prompt and entertype network_typenetwork_type isUsing

Configuring IP Services7-34 117356-A Rev. AUsing Point-to-Multipoint Interfaces in a Star TopologyOSPF point-to-multipoint interfaces provide an effici

Customizing OSPF Services117356-A Rev. A 7-35The Bay Networks proprietary point-to-multipoint solution is intended for routers running OSPF in star fr

Configuring IP Services7-36 117356-A Rev. ASpecifying Router Priority for a Multiaccess NetworkThe router priority value is used in multiaccess networ

Customizing OSPF Services117356-A Rev. A 7-37Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window,

Configuring IP Services7-38 117356-A Rev. AEstimating the Transit DelayBy default, OSPF assigns a transmission delay of 1 second to an OSPF interface.

Customizing OSPF Services117356-A Rev. A 7-39Setting the Retransmit IntervalThe retransmit interval is the number of seconds between link-state advert

About This Guide 117356-A Rev. A xxiii screen text Indicates data that appears on the screen. Example: Set Bay Networks Trap Monitor Filters separa

Configuring IP Services7-40 117356-A Rev. AUsing Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window, c

Customizing OSPF Services117356-A Rev. A 7-41Setting the Hello IntervalThe hello interval specifies how often the router sends hello messages on the in

Configuring IP Services7-42 117356-A Rev. AUsing Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window, c

Customizing OSPF Services117356-A Rev. A 7-43Setting the Dead IntervalThe dead interval is the number of seconds that OSFP waits to receive a hello pa

Configuring IP Services7-44 117356-A Rev. AUsing Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window, c

Customizing OSPF Services117356-A Rev. A 7-45Setting the Poll Interval for NBMA NeighborsThe poll interval is the largest number of seconds allowed be

Configuring IP Services7-46 117356-A Rev. ASpecifying the Metric CostFor OSPF, the best path is the one that offers the least-cost metric.You must con

Customizing OSPF Services117356-A Rev. A 7-47There is an optimum cost for each type of network. We suggest the following values for the metric cost pa

Configuring IP Services7-48 117356-A Rev. AUsing Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window, c

Customizing OSPF Services117356-A Rev. A 7-49Specifying the MTU SizeOSPF recognizes a maximum transmission unit (MTU) size for updates transmitted on

Configuring IP Servicesxxiv 117356-A Rev. A OSI Open Systems InterconnectionOSPF Open Shortest Path First (Protocol)PPP Point-to-Point Protocol SMDS

Configuring IP Services7-50 117356-A Rev. AUsing Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window, c

Customizing OSPF Services117356-A Rev. A 7-51Configuring a Neighbor on an NBMA InterfaceIn a nonbroadcast multiaccess network, neighbors are not learne

Configuring IP Services7-52 117356-A Rev. ADefining an AreaYou define an OSPF by setting parameters as described under the following topics:Topic PageSu

Customizing OSPF Services117356-A Rev. A 7-53Supplying an ID for the AreaEach area has a unique identifier. You can use the BCC to supply the ID of the

Configuring IP Services7-54 117356-A Rev. ADisabling and Reenabling an AreaWhen you define an OSPF area, the area is automatically enabled.You can use

Customizing OSPF Services117356-A Rev. A 7-55Modifying an Area IDIn an AS that contains multiple areas, you must assign a unique ID to each area. You

Configuring IP Services7-56 117356-A Rev. AConfiguring AuthenticationOSPF provides a measure of security for an area through the use of passwords. If a

Customizing OSPF Services117356-A Rev. A 7-57Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window,

Configuring IP Services7-58 117356-A Rev. AConfiguring a Summary RouteBorder routers generate summary advertisements for their attached areas. Each sum

Customizing OSPF Services117356-A Rev. A 7-59Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window,

About This Guide 117356-A Rev. A xxv Bay Networks Customer Service You can purchase a support contract from your Bay Networks distributor or authori

Configuring IP Services7-60 117356-A Rev. AConfiguring a Stub AreaA stub area does not import ASEs and may or may not import internal route summaries.

Customizing OSPF Services117356-A Rev. A 7-61Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window,

Configuring IP Services7-62 117356-A Rev. AConfiguring an Area Border RouterEach area is connected to the backbone by one or more border routers. In Fi

Customizing OSPF Services117356-A Rev. A 7-63Each border router in an AS• Receives routing information from its attached areas, creates summaries of t

Configuring IP Services7-64 117356-A Rev. AFigure 7-7. Virtual Link and Transit AreaTo configure an interface to support a virtual link:1. Identify the

Customizing OSPF Services117356-A Rev. A 7-65Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window,

Configuring IP Services7-66 117356-A Rev. AConfiguring OSPF Routing PoliciesOSPF requires that all routers in a given area maintain a similar routing d

Customizing OSPF Services117356-A Rev. A 7-67Using the BCCTo create an OSPF accept policy, navigate to the OSPF global prompt and enteraccept polname

Configuring IP Services7-68 117356-A Rev. ATo create an OSPF announce policy, navigate to the OSPF global prompt and enterannounce polname policy_name

Customizing OSPF Services117356-A Rev. A 7-69Using Site ManagerUse this Site Manager procedure to create an OSPF accept policy.Site Manager ProcedureY

Configuring IP Services7-70 117356-A Rev. AUse this Site Manager procedure to create an OSPF announce policy.Site Manager ProcedureYou do this System

117356-A Rev. A 8-1Chapter 8Configuring BGP ServicesYou configure and customize the Border Gateway Protocol (BGP) by setting BGP parameters as described

Configuring IP Services8-2 117356-A Rev. ABGP Concepts and TerminologyBGP is an exterior gateway protocol designed to exchange network reachability in

Configuring BGP Services117356-A Rev. A 8-3A BGP router employs a BGP speaker, which is an entity within the router that transmits and receives BGP me

Configuring IP Services8-4 117356-A Rev. AInterior BGP in Intra-AS RoutingBay Networks implements Interior BGP (IBGP) intra-AS routing. Under IBGP, ea

Configuring BGP Services117356-A Rev. A 8-5In Figure 8-2, AS 20 is the transit AS. It provides information about its internal networks, as well as tra

Configuring IP Services8-6 117356-A Rev. ATable 8-2. BGP-4 Optional Path Attributes Attribute DescriptionMulti-Exit Discriminator Chooses between path

Configuring BGP Services117356-A Rev. A 8-7BGP-4 Local Preference ValuesBGP-4 update messages include a Local Preference attribute that allows an AS b

Configuring IP Services8-8 117356-A Rev. ABGP Implementation NotesThis section provides you with some guidelines that you should follow when you config

Configuring BGP Services117356-A Rev. A 8-9Configuring BGP on the RouterYou configure BGP by setting BGP parameters as described under the following top

117356-A Rev. A 1-1 Chapter 1IP Concepts, Terminology, and Features The following topics introduce concepts and terminology used in this manual: Topi

Configuring IP Services8-10 117356-A Rev. AEnabling and Disabling BGPWhen you start BGP on the router, BGP is automatically enabled for both BGP-3 and

Configuring BGP Services117356-A Rev. A 8-11Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window,

Configuring IP Services8-12 117356-A Rev. ASupplying a BGP IdentifierThe BGP identifier is the IP address of an interface on this router. There is no de

Configuring BGP Services117356-A Rev. A 8-13Identifying the Local ASEach autonomous system in the internet has a unique AS ID.You can use the BCC or S

Configuring IP Services8-14 117356-A Rev. AConfiguring BGP for Intra-AS RoutingBy default, BGP supports IBGP intra-AS sessions. (See “Interior BGP in I

Configuring BGP Services117356-A Rev. A 8-15Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window,

Configuring IP Services8-16 117356-A Rev. ASetting the Interval TimerBGP injects external BGP routes into the routing table. The default minimum inter

Configuring BGP Services117356-A Rev. A 8-17Allowing Redundant Connections By default, BGP performs redundancy checking on peer-to-peer TCP sessions.

Configuring IP Services8-18 117356-A Rev. AUsing Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window, c

Configuring BGP Services117356-A Rev. A 8-19Enabling Multihop ConnectionsBy default, BGP enforces the one-hop rule for BGP peers -- the remote peer mu

Configuring IP Services1-2 117356-A Rev. A IP Addresses An IP address consists of 32 bits that have the form network.host. The network portion is a

Configuring IP Services8-20 117356-A Rev. ADisabling Dynamic Policy ConfigurationBy default, BGP configures IP policies dynamically. This means that if

Configuring BGP Services117356-A Rev. A 8-21Configuring BGP as a SoloistBy default, BGP runs on every slot on the router. If you have configured ISP mod

Configuring IP Services8-22 117356-A Rev. AIn soloist mode, if the slot on which the soloist is running fails, BGP runs on an eligible slot. By defaul

Configuring BGP Services117356-A Rev. A 8-23Establishing a Peer-to-Peer ConnectionA BGP speaker forms neighbor relationships with other BGP speakers.

Configuring IP Services8-24 117356-A Rev. ADefining the Peer-to-Peer ConnectionTo define a peer-to-peer connection, you specify • The address of the loc

Configuring BGP Services117356-A Rev. A 8-25Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window,

Configuring IP Services8-26 117356-A Rev. AInitiating a Peer-to-Peer ConnectionA BGP speaker that wants to initiate peer-to-peer connections periodica

Configuring BGP Services117356-A Rev. A 8-27You can use Site Manager to specify a retry interval or disable the initiation function.Using Site Manager

Configuring IP Services8-28 117356-A Rev. ANegotiating the BGP VersionBGP peers negotiate the version of BGP that they will use to exchange routing in

Configuring BGP Services117356-A Rev. A 8-29Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window,

IP Concepts, Terminology, and Features117356-A Rev. A 1-3Figure 1-1. Network and Host Portions of IP AddressesYou specify IP addresses in dotted-decim

Configuring IP Services8-30 117356-A Rev. AKeeping the Connection AliveOnce a session has been established, BGP peers periodically issue a keepalive m

Configuring BGP Services117356-A Rev. A 8-31Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window,

Configuring IP Services8-32 117356-A Rev. ASetting the External Advertisement TimerOnce a connection is established, the BGP speaker uses one or more

Configuring BGP Services117356-A Rev. A 8-33Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window,

Configuring IP Services8-34 117356-A Rev. ASpecifying a Holddown TimeThe holddown time is the amount of time either peer will wait for a keepalive or

Configuring BGP Services117356-A Rev. A 8-35Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window,

Configuring IP Services8-36 117356-A Rev. ASetting a Minimum AS Origination IntervalBy default, a BGP speaker that issues an update to advertise a cha

Configuring BGP Services117356-A Rev. A 8-37Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window,

Configuring IP Services8-38 117356-A Rev. AOverriding the Local AS NumberBy default, a BGP speaker that issues an open message to initiate a peer-to-p

Configuring BGP Services117356-A Rev. A 8-39Specifying a Maximum Update SizeBy default, a BGP speaker sends update messages with a maximum size of 800

117356-A Rev. A iii BY COPYING OR USING THE SOFTWARE, YOU ACCEPT ALL OF THE TERMS AND CONDITIONS OF THIS LICENSE AGREEMENT. THE TERMS EXPRESSED IN

Configuring IP Services1-4 117356-A Rev. ASubnet AddressingThe concept of subnetworks (or subnets) extends the IP addressing scheme. Subnets are two o

Configuring IP Services8-40 117356-A Rev. AUsing Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window, c

Configuring BGP Services117356-A Rev. A 8-41Setting the Route Echo SwitchThe peer route echo switch controls the way the router echoes a BGP route tha

Configuring IP Services8-42 117356-A Rev. AUsing Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window, c

Configuring BGP Services117356-A Rev. A 8-43Using the Circuitless IP Interface for a Peer ConnectionIn configuring a peer-to-peer connection for BGP sp

Configuring IP Services8-44 117356-A Rev. AConfiguring Peers over an Unnumbered Point-to-Point LinkA BGP peer-to-peer connection cannot be configured di

Configuring BGP Services117356-A Rev. A 8-45To establish a peer-to-peer connection between Router A and Router B, you must 1. Choose a numbered interf

Configuring IP Services8-46 117356-A Rev. ADesigning a Route Selection StrategyA BGP speaker must, at times, evaluate and compare different paths to a

Configuring BGP Services117356-A Rev. A 8-47Configure AS weights the same on all BGP routers in an AS.You can use Site Manager to assign a weight and a

Configuring IP Services8-48 117356-A Rev. AConfiguring Routing PoliciesBGP accept and announce policies govern which routes a router uses and which rou

Configuring BGP Services117356-A Rev. A 8-49Using the BCCTo configure a BGP accept policy, navigate to the BGP global prompt and enteraccept policy_nam

IP Concepts, Terminology, and Features117356-A Rev. A 1-5You construct a subnet mask as follows:• Assign a value of 1 to each of the 8, 16, or 24 bits

Configuring IP Services8-50 117356-A Rev. AUsing Site ManagerYou can use Site Manager to configure a BGP-4 accept policy.Site Manager ProcedureYou do t

Configuring BGP Services117356-A Rev. A 8-51You can use Site Manager to configure a BGP-4 announce policy.Site Manager Procedure You do this System res

Configuring IP Services8-52 117356-A Rev. A7. Set the following parameters:• Enable• Name• Networks• Action• Rule Precedence• Route Source• Advertise•

Configuring BGP Services117356-A Rev. A 8-53Configuring a BGP-4 AS Pattern-Matching PolicyTable 8-3 describes the special characters used in the Bay Ne

Configuring IP Services8-54 117356-A Rev. ABest Route Calculation for Equal RoutesBGP uses the following rules (tie breakers) to choose between two eq

Configuring BGP Services117356-A Rev. A 8-55Configuring BGP Message LoggingSite Manager allows you to control the event messages that BGP sends to the

117356-A Rev. A 9-1Chapter 9Customizing EGP ServicesThis chapter explains how to configure the Exterior Gateway Protocol (EGP).Topic PageEGP Concepts a

Configuring IP Services9-2 117356-A Rev. AEGP Concepts and TerminologyEGP-2 is an exterior gateway protocol used to exchange network reachability info

Customizing EGP Services117356-A Rev. A 9-3An EGP router• Acquires EGP neighbors• Determines neighbor reachability• Exchanges network reachability inf

Configuring IP Services1-6 117356-A Rev. ATable 1-1 shows the range of possible subnet masks for Class B and Class C addresses, along with the number

Configuring IP Services9-4 117356-A Rev. AIn the neighbor reachability phase, EGP is responsible for monitoring and maintaining an established EGP nei

Customizing EGP Services117356-A Rev. A 9-5EGP Implementation NotesThis section provides you with some important guidelines to follow when you configur

Configuring IP Services9-6 117356-A Rev. ACustomizing EGP on the RouterYou customize EGP on the router by setting EGP global parameters as described u

Customizing EGP Services117356-A Rev. A 9-7Supplying a Local AS NumberEach autonomous system has a NIC-assigned decimal number ID.You must supply the

Configuring IP Services9-8 117356-A Rev. AConfiguring a NeighborYou define a neighbor-to-neighbor relationship by setting EGP neighbor parameters as des

Customizing EGP Services117356-A Rev. A 9-9Specifying the Neighbor’s AddressYou define the neighbor-to-neighbor relationship by specifying the IP addre

Configuring IP Services9-10 117356-A Rev. ASpecifying the Gateway ModeYou can configure the EGP router to operate in one of two gateway modes for any g

Customizing EGP Services117356-A Rev. A 9-11Enabling and Disabling the Neighbor RelationshipWhen you establish a neighbor-to-neighbor relationship on

Configuring IP Services9-12 117356-A Rev. AChoosing the Acquisition ModeIn an EGP neighbor relationship, one router is the active neighbor and the oth

Customizing EGP Services117356-A Rev. A 9-13Choosing the Poll ModeThe type of neighbor reachability algorithm executed by the local EGP neighbor is ca

IP Concepts, Terminology, and Features117356-A Rev. A 1-7Supernet AddressingA supernet is a group of networks identified by contiguous network addresse

Configuring IP Services9-14 117356-A Rev. ASetting Neighbor TimersEGP uses two configurable timers: the hello timer and the poll timer.The hello timer

117356-A Rev. A 10-1Chapter 10Configuring RIPSO on an IP InterfaceIP routers support the Department of Defense (DoD) Revised IP Security Option (RIPSO)

Configuring IP Services10-2 117356-A Rev. ABy default, RIPSO is disabled on IP interfaces. You can use Site Manager to enable RIPSO on an IP interface

Configuring RIPSO on an IP Interface117356-A Rev. A 10-3Security Label FormatA RIPSO security label is three or more bytes long and specifies the secur

Configuring IP Services10-4 117356-A Rev. A• Octet 4 and beyond identify the protection authorities under whose rules the datagram is classified at the

Configuring RIPSO on an IP Interface117356-A Rev. A 10-5Inbound IP DatagramsWhen the router receives an IP datagram on a RIPSO interface, it compares

Configuring IP Services10-6 117356-A Rev. AOriginated IP DatagramsWhen the router originates a datagram and the following conditions are true, the rou

Configuring RIPSO on an IP Interface117356-A Rev. A 10-7Enabling and Disabling RIPSOUse Site Manager to enable or disable RIPSO on an interface. When

Configuring IP Services10-8 117356-A Rev. ASpecifying the IP Datagram Type for Stripping Security OptionsUse Site Manager to choose the type of IP dat

Configuring RIPSO on an IP Interface117356-A Rev. A 10-9Specifying the Outbound Datagram Type Requiring Security LabelsUse Site Manager to specify the

Configuring IP Services1-8 117356-A Rev. AClassless Interdomain RoutingClassless interdomain routing (CIDR) is an addressing scheme that employs super

Configuring IP Services10-10 117356-A Rev. ASpecifying the Inbound Datagram Type Requiring Security LabelsUse Site Manager to specify the type of inbo

Configuring RIPSO on an IP Interface117356-A Rev. A 10-11Setting the Security Level for IP DatagramsUse Site Manager to specify the minimum and maximu

Configuring IP Services10-12 117356-A Rev. AChoosing Authority Flags in Outbound DatagramsUse Site Manager to specify which authority flags must be set

Configuring RIPSO on an IP Interface117356-A Rev. A 10-13Choosing Authority Flags in Inbound DatagramsUse Site Manager to specify which authority flags

Configuring IP Services10-14 117356-A Rev. ASupplying Implicit Labels for Unlabeled Inbound DatagramsUse Site Manager to specify whether the router sh

Configuring RIPSO on an IP Interface117356-A Rev. A 10-15Enabling and Disabling Default Labels for Unlabeled Outbound DatagramsUse Site Manager to spe

Configuring IP Services10-16 117356-A Rev. AEnabling and Disabling Error Labels for Outbound ICMP Error DatagramsUse Site Manager to specify whether y

Configuring RIPSO on an IP Interface117356-A Rev. A 10-17RIPSO ExampleThe router in Figure 10-2 has RIPSO configured on all three IP interfaces. The se

Configuring IP Services10-18 117356-A Rev. AFigure 10-2. RIPSO Example1.1.0.11.1.0.21.2.0.1 1.3.0.11.1.0.1Forward outbounddatagram? YesForward ou

117356-A Rev. A 11-1Chapter 11Connecting the Router to a Blacker Front EndThe Blacker front end (BFE) is a classified encryption device used by hosts t

IP Concepts, Terminology, and Features117356-A Rev. A 1-9Figure 1-2. Internet Segmented into Three Autonomous SystemsRouting Information Protocol (RIP

Configuring IP Services11-2 117356-A Rev. AFigure 11-1. Blacker Front-End Network ConfigurationBFE devices receive authorization and address translatio

Connecting the Router to a Blacker Front End117356-A Rev. A 11-3BFE AddressingYou can enable BFE support on individual IP interfaces. When you enable

Configuring IP Services11-4 117356-A Rev. AConfiguring Blacker Front-End Support To configure BFE support on an IP interface, you must• Configure an X.25

Connecting the Router to a Blacker Front End117356-A Rev. A 11-5For instructions on performing steps 1 through 4, see Configuring X.25 Services. For in

Configuring IP Services11-6 117356-A Rev. ATable 11-1. BFE X.25 Packet-Level Parameter Settings X.25 Parameter BFE Required SettingEnable EnableNetwor

Connecting the Router to a Blacker Front End117356-A Rev. A 11-7Max Window Size BFE range is 2 to 7. If you specify any other setting than the default

Configuring IP Services11-8 117356-A Rev. ATable 11-2. BFE X.25 Network Service Record Parameter Settings X.25 Parameter BFE Required SettingEnable En

Connecting the Router to a Blacker Front End117356-A Rev. A 11-9CUG Facility Type Parameter is ignoredCUG Number Parameter is ignoredTable 11-2. BFE X

117356-A Rev. A 12-1Chapter 12Configuring Network Address TranslationThis chapter consists of the following sections:Topic PageOverview 12-2Customizing

Configuring IP Services1-10 117356-A Rev. AOpen Shortest Path First (OSPF) ProtocolThe Open Shortest Path First (OSPF) protocol is an interior gateway

Configuring IP Services12-2 117356-A Rev. AOverviewNetwork Address Translation (NAT) helps remedy the problem of the use of unregistered IP addresses

Configuring Network Address Translation117356-A Rev. A 12-3For example, a host sends an outbound packet from inside Company A to Company B. The packet

Configuring IP Services12-4 117356-A Rev. AFigure 12-1. Dynamic Mapping ExampleThe network administrator in Company A has configured NAT to detect the

Configuring Network Address Translation117356-A Rev. A 12-5NAT software detects a packet on a NAT interface that contains the address 10.0.0.15 (Figur

Configuring IP Services12-6 117356-A Rev. AFigure 12-3. NAT Updates the Local/Global Mapping Entry ListNAT software also replaces the unregistered loc

Configuring Network Address Translation117356-A Rev. A 12-7Figure 12-4. NAT Replaces the Unregistered Local Address with a Registered Source AddressSt

Configuring IP Services12-8 117356-A Rev. ACustomizing NAT Global AttributesWhen you add the NAT to an IP interface, NAT is enabled on a router with d

Configuring Network Address Translation117356-A Rev. A 12-9Enabling and Disabling NATTo enable or disable NAT from an IP interface, proceed as follows

Configuring IP Services12-10 117356-A Rev. AFor instructions on how to create and enable dynamic mapping, see the following sections: “Configuring Dyna

Configuring Network Address Translation117356-A Rev. A 12-11Configuring the Soloist Slot MaskTo specify the slots on which NAT can run as a soloist, pr

IP Concepts, Terminology, and Features117356-A Rev. A 1-11Routers establish EGP neighbor relationships in order to periodically exchange reliable netw

Configuring IP Services12-12 117356-A Rev. AConfiguring the Log MaskTable 12-2 shows messages types that are logged by NAT software and their respectiv

Configuring Network Address Translation117356-A Rev. A 12-13To specify the types of log messages that are reported by NAT software, proceed as follows

Configuring IP Services12-14 117356-A Rev. AEnabling and Disabling the Mapping Entry Timeout ValueYou can configure a global timeout period for dynamic

Configuring Network Address Translation117356-A Rev. A 12-15Configuring the Max Timeout ValueYou can configure the Max Timeout parameter to specify the

Configuring IP Services12-16 117356-A Rev. ACustomizing a NAT InterfaceUse Site Manager to set the state of a NAT interface or to modify the interface

Configuring Network Address Translation117356-A Rev. A 12-17Modifying the Interface TypeNAT software processes traffic received from an internal host o

Configuring IP Services12-18 117356-A Rev. AConfiguring Static MappingUse Site Manager to create a one-to-one mapping of an unregistered local host add

Configuring Network Address Translation117356-A Rev. A 12-19Enabling and Disabling Static MappingTo change the state of NAT static mapping, proceed as

Configuring IP Services12-20 117356-A Rev. AConfiguring Dynamic Local Address RangesUse Site Manager to add, delete, or change the state of dynamic loc

Configuring Network Address Translation117356-A Rev. A 12-21Deleting a Local Address RangeTo delete a local address range, proceed as follows:Site Man

Configuring IP Services1-12 117356-A Rev. ARoute PreferencesThe IP router maintains an internal routing table. When determining how to forward a datag

Configuring IP Services12-22 117356-A Rev. AEnabling or Disabling a Local Address RangeTo disable a local address range, proceed as follows:Site Manag

Configuring Network Address Translation117356-A Rev. A 12-23Configuring Dynamic Global Address RangesUse Site Manager to add, delete, or change the sta

Configuring IP Services12-24 117356-A Rev. ADeleting a Global Address RangeTo delete a global address range, proceed as follows:Site Manager Procedure

Configuring Network Address Translation117356-A Rev. A 12-25Enabling or Disabling a Global Address RangeTo change the state of a global address range,

117356-A Rev. A A-1 Appendix ASite Manager ParametersBGP ParametersBGP Configuration ParametersParameter: IdentifierPath: Select BGP in the Select proto

Configuring IP ServicesA-2 117356-A Rev. ABGP Global ParametersParameter: BGP EnablePath: Configuration Manager > Protocols > IP > BGP > BG

Site Manager Parameters117356-A Rev. A A-3 Parameter: BGP Intra-ASPath: Configuration Manager > Protocols > IP > BGP > BGP GlobalDefault: E

Configuring IP ServicesA-4 117356-A Rev. AParameter: BGP Collision DetectPath: Configuration Manager > Protocols > IP > BGP > BGP GlobalDef

Site Manager Parameters117356-A Rev. A A-5 BGP-3 Global ParametersParameter: BGP Dynamic Policy Change SupportPath: Configuration Manager > Protocol

IP Concepts, Terminology, and Features117356-A Rev. A 1-13Route WeightsRoute-weight calculation is an internal tool that IP uses to facilitate selecti

Configuring IP ServicesA-6 117356-A Rev. ABGP-4 Global ParametersBGP Peer ParametersParameter: EnablePath: Configuration Manager > Protocols > IP

Site Manager Parameters117356-A Rev. A A-7 Parameter: Local AddressPath: Configuration Manager > Protocols > IP > BGP > PeersDefault: NoneO

Configuring IP ServicesA-8 117356-A Rev. AParameter: Max BGP VersionPath: Configuration Manager > Protocols > IP > BGP > PeersDefault: 4Opt

Site Manager Parameters117356-A Rev. A A-9 Parameter: Connect Retry TimerPath: Configuration Manager > Protocols > IP > BGP > PeersDefault:

Configuring IP ServicesA-10 117356-A Rev. AParameter: Keepalive TimerPath: Configuration Manager > Protocols > IP > BGP > PeersDefault: 30

Site Manager Parameters117356-A Rev. A A-11 Parameter: Peer Max Update SizePath: Configuration Manager > Protocols > IP > BGP > PeersDefaul

Configuring IP ServicesA-12 117356-A Rev. ABGP AS Weight and Weight Class ParametersParameter: ASPath: Configuration Manager > Protocols > IP >

Site Manager Parameters117356-A Rev. A A-13 Parameter: Weight Value 3Path: Configuration Manager > Protocols > IP > BGP > WeightsDefault: 8

Configuring IP ServicesA-14 117356-A Rev. AParameter: Weight Value 6Path: Configuration Manager > Protocols > IP > BGP > WeightsDefault: 8O

Site Manager Parameters117356-A Rev. A A-15 BGP Event Message ParametersParameter: EnablePath: Configuration Manager > Protocols > IP > BGP &g

iv 117356-A Rev. A PROFITS ARISING OUT OF OR IN CONNECTION WITH THE PERFORMANCE OF THE SOFTWARE, EVEN IF BAY NETWORKS HAS BEEN ADVISED OF THE POSSIB

Configuring IP Services1-14 117356-A Rev. AIP Routing Policies and FiltersThe IP router allows you to control the flow of routing data to and from the

Configuring IP ServicesA-16 117356-A Rev. AParameter: Message LevelPath: Configuration Manager > Protocols > IP > BGP > DebugDefault: ALLOp

Site Manager Parameters117356-A Rev. A A-17 EGP ParametersEGP Global Parameters Parameter: EnablePath: Configuration Manager > Protocols > IP >

Configuring IP ServicesA-18 117356-A Rev. AEGP Neighbor ParametersParameter: Remote Peer IP AddressPath: Configuration Manager > Protocols > IP &

Site Manager Parameters117356-A Rev. A A-19 Parameter: EnablePath: Configuration Manager > Protocols > IP > EGP > NeighborsDefault: EnableO

Configuring IP ServicesA-20 117356-A Rev. AParameter: Hello TimerPath: Configuration Manager > Protocols > IP > EGP > NeighborsDefault: 60

Site Manager Parameters117356-A Rev. A A-21 IP ParametersIP Configuration ParametersParameter: IP AddressPath: Select IP from the Select Protocols wind

Configuring IP ServicesA-22 117356-A Rev. AParameter: Transmit Bcast AddrPath: Select IP from the Select Protocols window and click on OK.Default: 0.0

Site Manager Parameters117356-A Rev. A A-23 IP Interface ParametersParameter: EnablePath: Configuration Manager > Protocols > IP > InterfacesD

Configuring IP ServicesA-24 117356-A Rev. AParameter: Broadcast AddressPath: Configuration Manager > Protocols > IP > InterfacesDefault: You s

Site Manager Parameters117356-A Rev. A A-25 Parameter: MTU DiscoveryPath: Configuration Manager > Protocols > IP > InterfacesDefault: OffOptio

IP Concepts, Terminology, and Features117356-A Rev. A 1-15Every IP router maintains a table of current routing information. The routing table manager

Configuring IP ServicesA-26 117356-A Rev. AParameter: ASBPath: Configuration Manager > Protocols > IP > InterfacesDefault: OffOptions: On | Of

Site Manager Parameters117356-A Rev. A A-27 Parameter: ProxyPath: Configuration Manager > Protocols > IP > InterfacesDefault: OffOptions: On |

Configuring IP ServicesA-28 117356-A Rev. AParameter: Upd Xsum OnPath: Configuration Manager > Protocols > IP > InterfacesDefault: OnOptions:

Site Manager Parameters117356-A Rev. A A-29 Parameter: TR EndstationPath: Configuration Manager > Protocols > IP > InterfacesDefault: OffOptio

Configuring IP ServicesA-30 117356-A Rev. AParameter: Ethernet Arp EncapsPath: Configuration Manager > Protocols > IP > InterfacesDefault: ARP

Site Manager Parameters117356-A Rev. A A-31 Parameter: SMDS Arp Request AddressPath: Configuration Manager > Protocols > IP > InterfacesDefaul

Configuring IP ServicesA-32 117356-A Rev. AParameter: FRM Cast 1 DLCIPath: Configuration Manager > Protocols > IP > InterfacesDefault: 0Option

Site Manager Parameters117356-A Rev. A A-33 Parameter: MaskPath: Configuration Manager > Protocols > IP > InterfacesDefault: Slot-mask bit set

Configuring IP ServicesA-34 117356-A Rev. AParameter: Forward Cache SizePath: Configuration Manager > Protocols > IP > InterfacesDefault: 128

Site Manager Parameters117356-A Rev. A A-35 Parameter: Unnumbered Associated AlternatePath: Configuration Manager > Protocols > IP > Interface

Configuring IP Services1-16 117356-A Rev. AThe flow of routing information between the network, the protocols, and the routing table manager is control

Configuring IP ServicesA-36 117356-A Rev. AParameter: ARP Server ATM Address User PartPath: Configuration Manager > Protocols > IP > Interface

Site Manager Parameters117356-A Rev. A A-37 IP Global ParametersParameter: EnablePath: Configuration Manager > Protocols > IP > GlobalDefault:

Configuring IP ServicesA-38 117356-A Rev. AParameter: ARP ForwardingPath: Configuration Manager > Protocols > IP > GlobalDefault: ForwardingOp

Site Manager Parameters117356-A Rev. A A-39 Parameter: Nonlocal ARP DestinationPath: Configuration Manager > Protocols > IP > GlobalDefault: D

Configuring IP ServicesA-40 117356-A Rev. AParameter: RIP DiameterPath: Configuration Manager > Protocols > IP > GlobalDefault: 15Options: 1 t

Site Manager Parameters117356-A Rev. A A-41 Parameter: Estimated NetworksPath: Configuration Manager > Protocols > IP > GlobalDefault: 0Option

Configuring IP ServicesA-42 117356-A Rev. AParameter: Enable Default Route for SubnetsPath: Configuration Manager > Protocols > IP > GlobalDef

Site Manager Parameters117356-A Rev. A A-43 Parameter: RIP Maximum Equal Cost PathsPath: Configuration Manager > Protocols > IP > GlobalDefaul

Configuring IP ServicesA-44 117356-A Rev. AStatic Route ParametersParameter: Enable ISP Mode SupportPath: Configuration Manager > Protocols > IP

Site Manager Parameters117356-A Rev. A A-45 Parameter: Destination IP AddressPath: Configuration Manager > Protocols > IP > Static RoutesDefau

IP Concepts, Terminology, and Features117356-A Rev. A 1-17Periodically, the routing table manager announces routes to other routers in the network:1.

Configuring IP ServicesA-46 117356-A Rev. AParameter: CostPath: Configuration Manager > Protocols > IP > Static RoutesDefault: 1Options: 1 to

Site Manager Parameters117356-A Rev. A A-47 Parameter: PreferencePath: Configuration Manager > Protocols > IP > Static RoutesDefault: 16Option

Configuring IP ServicesA-48 117356-A Rev. AAdjacent Host ParametersParameter: EnablePath: Configuration Manager > Protocols > IP > Adjacent Ho

Site Manager Parameters117356-A Rev. A A-49 Parameter: MAC AddressPath: Configuration Manager > Protocols > IP > Adjacent HostsDefault: NoneOp

Configuring IP ServicesA-50 117356-A Rev. ARIPSO ParametersParameter: Enable SecurityPath: Configuration Manager > Protocols > IP > Interfaces

Site Manager Parameters117356-A Rev. A A-51 Parameter: Require Out SecurityPath: Configuration Manager > Protocols > IP > InterfacesDefault: A

Configuring IP ServicesA-52 117356-A Rev. AParameter: Min LevelPath: Configuration Manager > Protocols > IP > InterfacesDefault: UnclassifiedOp

Site Manager Parameters117356-A Rev. A A-53 Parameter: Must Out AuthorityPath: Configuration Manager > Protocols > IP > InterfacesDefault: No

Configuring IP ServicesA-54 117356-A Rev. AParameter: Must In AuthorityPath: Configuration Manager > Protocols > IP > InterfacesDefault: No au

Site Manager Parameters117356-A Rev. A A-55 Parameter: Implicit LabelPath: Configuration Manager > Protocols > IP > InterfacesDefault: EnableO

Configuring IP Services1-18 117356-A Rev. AIP Traffic FiltersA traffic filter enables the router to selectively relay or drop an inbound packet, frame, o

Configuring IP ServicesA-56 117356-A Rev. AParameter: Implicit LevelPath: Configuration Manager > Protocols > IP > InterfacesDefault: Unclassi

Site Manager Parameters117356-A Rev. A A-57 Parameter: Default AuthorityPath: Configuration Manager > Protocols > IP > InterfacesDefault: No a

Configuring IP ServicesA-58 117356-A Rev. AParameter: Error LabelPath: Configuration Manager > Protocols > IP > InterfacesDefault: EnableOptio

Site Manager Parameters117356-A Rev. A A-59 Router Discovery ParametersParameter: EnablePath: Configuration Manager > Protocols > IP > Router

Configuring IP ServicesA-60 117356-A Rev. AParameter: Maximum IntervalPath: Configuration Manager > Protocols > IP > Router DiscoveryDefault:

Site Manager Parameters117356-A Rev. A A-61 OSPF ParametersOSPF Global ParametersParameter: EnablePath: Configuration Manager > Protocols > IP &g

Configuring IP ServicesA-62 117356-A Rev. AParameter: AS Boundary RouterPath: Configuration Manager > Protocols > IP > OSPF > GlobalDefault

Site Manager Parameters117356-A Rev. A A-63 Parameter: OSPF SlotPath: Configuration Manager > Protocols > IP > OSPF > GlobalDefault: All sl

Configuring IP ServicesA-64 117356-A Rev. AParameter: Primary Log MaskPath: Configuration Manager > Protocols > IP > OSPF > GlobalDefault:

Site Manager Parameters117356-A Rev. A A-65 Parameter: Tag Generation MethodPath: Configuration Manager > Protocols > IP > OSPF > GlobalDef

IP Concepts, Terminology, and Features117356-A Rev. A 1-191188 IP over FDDI networks1209 IP over SDMS1256 ICMP router discovery messages1267 BGP-31293

Configuring IP ServicesA-66 117356-A Rev. AParameter: Multicast Route PinningPath: Configuration Manager > Protocols > IP > OSPF > GlobalDe

Site Manager Parameters117356-A Rev. A A-67 OSPF Interface ParametersParameter: Timeout ValuePath: Configuration Manager > Protocols > IP > OS

Configuring IP ServicesA-68 117356-A Rev. AParameter: Area AddressPath: Configuration Manager > Protocols > IP > OSPF > InterfacesDefault:

Site Manager Parameters117356-A Rev. A A-69 Parameter: Rtr PriorityPath: Configuration Manager > Protocols > IP > OSPF > InterfacesDefault:

Configuring IP ServicesA-70 117356-A Rev. AParameter: Retransmit IntervalPath: Configuration Manager > Protocols > IP > OSPF > InterfacesDe

Site Manager Parameters117356-A Rev. A A-71 Parameter: Dead IntervalPath: Configuration Manager > Protocols > IP > OSPF > InterfacesDefault

Configuring IP ServicesA-72 117356-A Rev. AParameter: Metric CostPath: Configuration Manager > Protocols > IP > OSPF > InterfacesDefault: 1

Site Manager Parameters117356-A Rev. A A-73 Parameter: MTU SizePath: Configuration Manager > Protocols > IP > OSPF > InterfacesDefault: 1Op

Configuring IP ServicesA-74 117356-A Rev. ANeighbor Parameters for an NBMA InterfaceParameter: Opaque OnPath: Configuration Manager > Protocols >

Site Manager Parameters117356-A Rev. A A-75 OSPF Area ParametersParameter: PriorityPath: Configuration Manager > Protocols > IP > OSPF > In

Configuring IP ServicesA-76 117356-A Rev. AParameter: Authentication TypePath: Configuration Manager > Protocols > IP > OSPF > AreasDefault

Site Manager Parameters117356-A Rev. A A-77 Parameter: Stub Default MetricPath: Configuration Manager > Protocols > IP > OSPF > AreasDefaul

Configuring IP ServicesA-78 117356-A Rev. AArea Range ParametersParameter: Range NetPath: Configuration Manager > Protocols > IP > OSPF > A

Site Manager Parameters117356-A Rev. A A-79 Parameter: EnablePath: Configuration Manager > Protocols > IP > OSPF > Areas > RangesDefault

Configuring IP ServicesA-80 117356-A Rev. AOSPF Virtual Interface ParametersParameter: MetricPath: Configuration Manager > Protocols > IP > OS

Site Manager Parameters117356-A Rev. A A-81 Parameter: Retransmit IntervalPath: Configuration Manager > Protocols > IP > OSPF > Virtual Int

Configuring IP ServicesA-82 117356-A Rev. AParameter: Dead IntervalPath: Configuration Manager > Protocols > IP > OSPF > Virtual Interfaces

Site Manager Parameters117356-A Rev. A A-83 RIP ParametersParameter: EnablePath: Configuration Manager > Protocols > IP > RIP > InterfacesD

Configuring IP ServicesA-84 117356-A Rev. AParameter: RIP ListenPath: Configuration Manager > Protocols > IP > RIP > InterfacesDefault: Ena

Site Manager Parameters117356-A Rev. A A-85 Parameter: Default Route ListenPath: Configuration Manager > Protocols > IP > RIP > InterfacesD

117356-A Rev. A 2-1Chapter 2Starting IP Services with the BCCThis chapter shows you how to use the BCC to perform a basic configuration -- that is, a c

Configuring IP ServicesA-86 117356-A Rev. AParameter: Time to LivePath Configuration Manager > Protocols > IP > RIP > InterfacesDefault: 1O

Site Manager Parameters117356-A Rev. A A-87 Parameter: Holddown TimerPath: Configuration Manager > Protocols > IP > RIP > InterfacesDefault

Configuring IP ServicesA-88 117356-A Rev. AParameter: RIP ModePath: Configuration Manager > Protocols > IP > RIP > InterfacesDefault: RIP I

Site Manager Parameters117356-A Rev. A A-89 Parameter: Authentication TypePath: Configuration Manager > Protocols > IP > RIP > InterfacesDe

Configuring IP ServicesA-90 117356-A Rev. ANAT ParametersParameter: EnablePath: Configuration Manager > Protocols > IP > NAT > GlobalDefaul

Site Manager Parameters117356-A Rev. A A-91 Parameter: Mapping Entry TimeoutPath: Configuration Manager > Protocols > IP > NAT > GlobalDefa

Configuring IP ServicesA-92 117356-A Rev. AParameter: Interface TypePath: Configuration Manager > Protocols > IP > NAT > InterfaceDefault:

Site Manager Parameters117356-A Rev. A A-93 Parameter: EnablePath: Configuration Manager > Protocols > IP > NAT > Dynamic > LocalDefault

117356-A Rev. A B-1 Appendix BRouting PoliciesParameter: EnablePath: Configuration Manager > Protocols > IP > Policy Filters > RIP > Acc

Configuring IP Services2-2 117356-A Rev. AStarting IPTo start IP on the router, you must 1. Configure a physical interface on an availabale slot/connec

Configuring IP ServicesB-2 117356-A Rev. AParameter: NamePath: Configuration Manager > Protocols > IP > Policy Filters > RIP > Accept Po

Routing Policies117356-A Rev. A B-3 Parameter: NetworksPath: Configuration Manager > Protocols > IP > Policy Filters > RIP > Accept Poli

Configuring IP ServicesB-4 117356-A Rev. AParameter: ActionPath: Configuration Manager > Protocols > IP > Policy Filters > RIP > Accept

Routing Policies117356-A Rev. A B-5 Parameter: Route PreferencePath: Configuration Manager > Protocols > IP > Policy Filters > RIP > Acc

Configuring IP ServicesB-6 117356-A Rev. AParameter: Rule PrecedencPath: Configuration Manager > Protocols > IP > Policy Filters > RIP >

Routing Policies117356-A Rev. A B-7 RIP-Specific Accept Policy ParametersParameter: From GatewayPath: Configuration Manager > Protocols > IP >

Configuring IP ServicesB-8 117356-A Rev. AOSPF-Specific Accept Policy ParametersParameter: Apply Subnet MaskPath: Configuration Manager > Protocols &

Routing Policies117356-A Rev. A B-9 EGP-Specific Accept Policy ParametersParameter: TagPath: Configuration Manager > Protocols > IP > Policy Fi

Configuring IP ServicesB-10 117356-A Rev. AParameter: AS ListPath: Configuration Manager > Protocols > IP > Policy Filters > EGP > Accep

Routing Policies117356-A Rev. A B-11 BGP-3-Specific Accept Policy Parameters Parameter: Injection ListPath: Configuration Manager > Protocols > IP

Starting IP Services with the BCC117356-A Rev. A 2-3An IP interface is now configured on the Ethernet interface with default values for all interface p

Configuring IP ServicesB-12 117356-A Rev. AParameter: Peer ASPath: Configuration Manager > Protocols > IP > Policy Filters > BGP3 > Acce

Routing Policies117356-A Rev. A B-13 Parameter: Route OriginPath: Configuration Manager > Protocols > IP > Policy Filters > BGP3 > Accep

Configuring IP ServicesB-14 117356-A Rev. AParameter: Community MatchPath: Configuration Manager > Protocols > IP > Policy Filters > BGP3 &

Routing Policies117356-A Rev. A B-15 BGP-4-Specific Accept Policy ParametersParameter: Injection ListPath: Configuration Manager > Protocols > IP

Configuring IP ServicesB-16 117356-A Rev. AParameter: Peer ASPath: Configuration Manager > Protocols > IP > Policy Filters > BGP4 > Acce

Routing Policies117356-A Rev. A B-17 Parameter: Route OriginPath: Configuration Manager > Protocols > IP > Policy Filters > BGP4 > Accep

Configuring IP ServicesB-18 117356-A Rev. AParameter: Local PreferencePath: Configuration Manager > Protocols > IP > Policy Filters > BGP4

Routing Policies117356-A Rev. A B-19 Parameter: AS PatternPath: Configuration Manager > Protocols > IP > Policy Filters > BGP4 > Accept

Configuring IP ServicesB-20 117356-A Rev. AIP Announce Policy ParametersParameter: EnablePath: Configuration Manager > Protocols > IP > Policy

Routing Policies117356-A Rev. A B-21 Parameter: NamePath: Configuration Manager > Protocols > IP > Policy Filters > RIP > Announce Polic

117356-A Rev. A v Contents About This Guide Before You Begin ...

Configuring IP Services2-4 117356-A Rev. AStarting RIPYou start RIP on the router by adding RIP to an existing IP interface.Navigate to an IP interfac

Configuring IP ServicesB-22 117356-A Rev. AParameter: NetworksPath: Configuration Manager > Protocols > IP > Policy Filters > RIP > Anno

Routing Policies117356-A Rev. A B-23 Parameter: ActionPath: Configuration Manager > Protocols > IP > Policy Filters > RIP > Announce Pol

Configuring IP ServicesB-24 117356-A Rev. AParameter: Rule PrecedencePath: Configuration Manager > Protocols > IP > Policy Filters > RIP &g

Routing Policies117356-A Rev. A B-25 Parameter: Route SourcePath: Configuration Manager > Protocols > IP > Policy Filters > RIP > Announ

Configuring IP ServicesB-26 117356-A Rev. AParameter: AdvertisePath: Configuration Manager > Protocols > IP > Policy Filters > RIP > Ann

Routing Policies117356-A Rev. A B-27 Parameter: From RIP GatewayPath: Configuration Manager > Protocols > IP > Policy Filters > RIP > An

Configuring IP ServicesB-28 117356-A Rev. AParameter: Received on RIP InterfacePath: Configuration Manager > Protocols > IP > Policy Filters &

Routing Policies117356-A Rev. A B-29 Parameter: From OSPF Router IDPath: Configuration Manager > Protocols > IP > Policy Filters > RIP >

Configuring IP ServicesB-30 117356-A Rev. AParameter: Received OSPF TypePath: Configuration Manager > Protocols > IP > Policy Filters > RIP

Routing Policies117356-A Rev. A B-31 Parameter: Received OSPF TagPath: Configuration Manager > Protocols > IP > Policy Filters > RIP > A

Starting IP Services with the BCC117356-A Rev. A 2-5Starting OSPFYou start OSPF on the router by adding OSPF to an existing IP interface.Navigate to a

Configuring IP ServicesB-32 117356-A Rev. AParameter: From EGP PeerPath: Configuration Manager > Protocols > IP > Policy Filters > RIP >

Routing Policies117356-A Rev. A B-33 Parameter: From EGP ASPath: Configuration Manager > Protocols > IP > Policy Filters > RIP > Announc

Configuring IP ServicesB-34 117356-A Rev. AParameter: Received EGP GatewayPath: Configuration Manager > Protocols > IP > Policy Filters > R

Routing Policies117356-A Rev. A B-35 Parameter: From BGP PeerPath: Configuration Manager > Protocols > IP > Policy Filters > RIP > Annou

Configuring IP ServicesB-36 117356-A Rev. AParameter: From BGP ASPath: Configuration Manager > Protocols > IP > Policy Filters > RIP > A

Routing Policies117356-A Rev. A B-37 Parameter: Received BGP Next HopPath: Configuration Manager > Protocols > IP > Policy Filters > RIP &g

Configuring IP ServicesB-38 117356-A Rev. ARIP-Specific Announce Policy ParametersParameter: External Route SourcePath: Configuration Manager > Proto

Routing Policies117356-A Rev. A B-39 OSPF-Specific Announce Policy ParametersParameter: RIP MetricPath: Configuration Manager > Protocols > IP >

Configuring IP ServicesB-40 117356-A Rev. AParameter: TagPath: Configuration Manager > Protocols > IP > Policy Filters > OSPF > Announce

Routing Policies117356-A Rev. A B-41 EGP-Specific Announce Policy ParametersParameter: External Route SourcePath: Configuration Manager > Protocols &

Configuring IP Services2-6 117356-A Rev. AStarting BGPTo start BGP:1. Configure BGP on the router.2. Define a BGP peer-to-peer connection.Step 1: Configu

Configuring IP ServicesB-42 117356-A Rev. AParameter: EGP Interface ListPath: Configuration Manager > Protocols > IP > Policy Filters > EGP

Routing Policies117356-A Rev. A B-43 BGP-3-Specific Announce Policy ParametersParameter: External Route SourcePath: Configuration Manager > Protocols

Configuring IP ServicesB-44 117356-A Rev. AParameter: Outbound PeersPath: Configuration Manager > Protocols > IP > Policy Filters > BGP3 &

Routing Policies117356-A Rev. A B-45 Parameter: Specific Inter-AS MetricPath: Configuration Manager > Protocols > IP > Policy Filters > BGP3

Configuring IP ServicesB-46 117356-A Rev. AParameter: Next HopPath: Configuration Manager > Protocols > IP > Policy Filters > BGP3 > An

Routing Policies117356-A Rev. A B-47 BGP-4-Specific Announce Policy ParametersParameter: External Route SourcePath: Configuration Manager > Protocols

Configuring IP ServicesB-48 117356-A Rev. AParameter: Outbound PeersPath: Configuration Manager > Protocols > IP > Policy Filters > BGP4 &

Routing Policies117356-A Rev. A B-49 Parameter: Multi-Exit Discriminator ValuePath: Configuration Manager > Protocols > IP > Policy Filters &g

Configuring IP ServicesB-50 117356-A Rev. AParameter: AS PathPath: Configuration Manager > Protocols > IP > Policy Filters > BGP4 > Ann

Routing Policies117356-A Rev. A B-51 Parameter: Local Preference ValuePath: Configuration Manager > Protocols > IP > Policy Filters > BGP4

Starting IP Services with the BCC117356-A Rev. A 2-7You start Router Discovery by adding it to an IP interface.Navigate to an IP interface-specific pro

Configuring IP ServicesB-52 117356-A Rev. AParameter: AS PatternPath: Configuration Manager > Protocols > IP > Policy Filters > BGP4 >

117356-A Rev. A C-1 Appendix CImport and Export Route FiltersRIP Import FiltersParameter: Import AddressPath: Configuration Manager > Protocols >

Configuring IP ServicesC-2 117356-A Rev. AParameter: Import MaskPath: Configuration Manager > Protocols > IP > Route Filters > RIP > Imp

Import and Export Route Filters117356-A Rev. A C-3 Parameter: InterfacePath: Configuration Manager > Protocols > IP > Route Filters > RIP &

Configuring IP ServicesC-4 117356-A Rev. AParameter: PreferencePath: Configuration Manager > Protocols > IP > Route Filters > RIP > Impo

Import and Export Route Filters117356-A Rev. A C-5 RIP Export FiltersParameter: Apply Subnet MaskPath: Configuration Manager > Protocols > IP >

Configuring IP ServicesC-6 117356-A Rev. AParameter: Export MaskPath: Configuration Manager > Protocols > IP > Route Filters > RIP > Exp

Import and Export Route Filters117356-A Rev. A C-7 Parameter: InterfacePath: Configuration Manager > Protocols > IP > Route Filters > RIP &

Configuring IP ServicesC-8 117356-A Rev. AOSPF Import FiltersParameter: RIP MetricPath: Configuration Manager > Protocols > IP > Route Filters

Import and Export Route Filters117356-A Rev. A C-9 OSPF Export FiltersParameter: PreferencePath: Configuration Manager > Protocols > IP > Rout

Configuring IP ServicesC-10 117356-A Rev. AParameter: Export MaskPath: Configuration Manager > Protocols > IP > Route Filters > OSPF >

Import and Export Route Filters117356-A Rev. A C-11 Parameter: EnablePath: Configuration Manager > Protocols > IP > Route Filters > OSPF &g

Configuring IP ServicesC-12 117356-A Rev. ABGP-3 Import FiltersParameter: TagPath: Configuration Manager > Protocols > IP > Route Filters >

Import and Export Route Filters117356-A Rev. A C-13 Parameter: Import MaskPath: Configuration Manager > Protocols > IP > Route Filters > BG

Configuring IP ServicesC-14 117356-A Rev. AParameter: Import Peer AddressPath: Configuration Manager > Protocols > IP > Route Filters > BGP

Import and Export Route Filters117356-A Rev. A C-15 Parameter: Import ActionPath: Configuration Manager > Protocols > IP > Route Filters >

Configuring IP ServicesC-16 117356-A Rev. AParameter: PreferencePath: Configuration Manager > Protocols > IP > Route Filters > BGP3 > Im

Import and Export Route Filters117356-A Rev. A C-17 BGP-3 Export FiltersParameter: Export AddressPath: Configuration Manager > Protocols > IP >

Configuring IP ServicesC-18 117356-A Rev. AParameter: Export from ProtocolPath: Configuration Manager > Protocols > IP > Route Filters > BG

Import and Export Route Filters117356-A Rev. A C-19 Parameter: Export EnablePath: Configuration Manager > Protocols > IP > Route Filters >

117356-A Rev. A 3-1Chapter 3Starting IP Services with Site ManagerThis chapter shows you how to use Site Manager to perform a basic configuration -- th

Configuring IP ServicesC-20 117356-A Rev. AParameter: Export OriginPath: Configuration Manager > Protocols > IP > Route Filters > BGP3 >

Import and Export Route Filters117356-A Rev. A C-21 EGP Import FiltersParameter: Import AddressPath: Configuration Manager > Protocols > IP >

Configuring IP ServicesC-22 117356-A Rev. AParameter: Import GatewayPath: Configuration Manager > Protocols > IP > Route Filters > EGP >

Import and Export Route Filters117356-A Rev. A C-23 EGP Export Filters Parameter: PreferencePath: Configuration Manager > Protocols > IP > Rou

Configuring IP ServicesC-24 117356-A Rev. AParameter: Export MaskPath: Configuration Manager > Protocols > IP > Route Filters > EGP > Ex

Import and Export Route Filters117356-A Rev. A C-25 Parameter: Export PeerPath: Configuration Manager > Protocols > IP > Route Filters > EG

Configuring IP ServicesC-26 117356-A Rev. AParameter: Export OSPF TagPath: Configuration Manager > Protocols > IP > Route Filters > EGP >

Import and Export Route Filters117356-A Rev. A C-27 Parameter: InterfacePath: Configuration Manager > Protocols > IP > Route Filters > EGP

117356-A Rev. A D-1 Appendix DRoute Weight Worksheet1. Select one route from the following list:2. Multiply the value associated with the route by the

Configuring IP Services3-2 117356-A Rev. AStarting IPBefore you can select a protocol to run on the router, you must configure a circuit that the proto

Configuring IP ServicesD-2 117356-A Rev. A3. Select one route from the following list:4. Multiply the value associated with the route by the following

Route Weight Worksheet117356-A Rev. A D-3 6.Multiply the value associated with the route by the following decimal or hexadecimal value:2097152 x _____

Configuring IP ServicesD-4 117356-A Rev. A8. Add the values you have calculated.________________________________________________The total is the route

117356-A Rev. A E-1 Appendix EIP/OSPF ConfigurationThe IP/OSPF configuration in Figure E-1 shows an AS divided into different types of OSPF areas using

Configuring IP ServicesE-2 117356-A Rev. A• The unnumbered LAN connecting Router 6 and Router D is included to ensure that every internal node in Area

IP/OSPF Configuration117356-A Rev. A E-3 The following tables list non-default configuration parameters for Router 1 through Router 6. Parameters that

Configuring IP ServicesE-4 117356-A Rev. ATable E-2. Area Border Router 2SM Window/Parameter SettingInterface F31IP Configuration/IP Address 128.10.2.

IP/OSPF Configuration117356-A Rev. A E-5 Table E-3. Area Border Router 3SM Window/Parameter SettingInterface F31IP Configuration/IP Address 128.10.2.3

Configuring IP ServicesE-6 117356-A Rev. ATable E-4. Area Border Router 4SM Window/Parameter SettingInterface F31IP Configuration/IP Address 128.10.2.

IP/OSPF Configuration117356-A Rev. A E-7 Table E-5. Internal Backbone Router 5SM Window/Parameter SettingInterface F31IP Configuration/IP Address 128.

Starting IP Services with Site Manager117356-A Rev. A 3-3Deleting IP from an InterfaceTo delete IP from an interface on which it is currently configure

117356-A Rev. A Index-1Aaccept policies for IP, 1-14accept policies, maximum number for IP, 4-16accept polname command, 7-67acquisition mode for EGP n

Index-2 117356-A Rev. Aarp-server-address command, 4-55arp-server-reg-interval command, 4-56AS Boundary Router parameter, 7-16, A-62AS parameter, 8-47

117356-A Rev. A Index-3BGP Local AS parameter, 8-13, A-2BGP Soloist Slots parameter, 8-22, A-5BGP-3 parametersBGP-3 Preference, C-16Enable, C-15Export

Index-4 117356-A Rev. Adefault-supply command, 6-21deletingBGP, 3-10BGP-3, 3-10EGP, 3-13IP from an interface, 3-3OSPF from an interface, 3-8RIP from a

117356-A Rev. A Index-5EGP parametersAction, C-22, C-26Enable, C-22, C-26Export Address, C-23Export from Protocol, C-24Export Mask, C-24Export OSPF Ta

Index-6 117356-A Rev. AEnable/Disable parameterNAT, A-90enablingall-subnet broadcasting on IP interface, 4-42all-zero and all-one subnet addresses, 4-

117356-A Rev. A Index-7OSPF, 7-23, A-62holddown commandBGP peers, 8-34global OSPF, 7-23Holddown Timer parameter, 6-30, A-87holddown-timer command, 6-2

Index-8 117356-A Rev. AIP Address parameterBGP, 3-9EGP, 3-12IP configuration, 3-2, A-21OSPF, 3-7RIP, 3-4IP Address parameter, NAT, 3-14IP OSPF Maximum

117356-A Rev. A Index-9mtu command, 7-49MTU Discovery parameter, A-25IP, 4-37MTU Size parameter, 7-50, A-73mtu-discovery command, 4-36multiaccess netw

Configuring IP Services3-4 117356-A Rev. AStarting RIPBefore you can select a protocol to run on the router, you must configure a circuit that the prot

Index-10 117356-A Rev. Aarea, definition of, 7-5backbone, definition of, 7-5backup soloist, 7-14border router, 7-62boundary function, 7-16broadcast inte

117356-A Rev. A Index-11peer-to-peer communicationsinterval for establishing, 8-26point-to-multipoint network, 7-32point-to-point network, 7-32Poisone

Index-12 117356-A Rev. Apoll-interval command, 7-45Preference parameter, 4-60, A-47preference, definition of, 1-12Primary Log Mask parameter, 7-26, A-6

117356-A Rev. A Index-13Import Mask, C-2Interface, C-3Preference, C-4RIP Gateway, C-2RIP Supply parameterIP RIP interface, 6-10RIP interface, A-83rip-

Index-14 117356-A Rev. Astripping security options from IP datagrams, 10-8Stub Default Metric parameter, 7-61, A-77stub-metric command, 7-60subnet mas

117356-A Rev. A Index-15Unnumbered Associated Alternate parameter, 3-21, A-35Unnumbered CCT Name parameter, 4-60, A-47unnumbered interfacedefinition, 3

Starting IP Services with Site Manager117356-A Rev. A 3-5Adding RIP to an IP InterfaceTo add RIP to an IP interface, proceed as follows:Site Manager P

vi 117356-A Rev. A Step 2: Configuring an IP Interface ...2-2Starting RIP ...

Configuring IP Services3-6 117356-A Rev. ADeleting RIP from an IP InterfaceTo delete RIP from an interface on which it is currently configured, proceed

Starting IP Services with Site Manager117356-A Rev. A 3-7Starting OSPFBefore you can select a protocol to run on the router, you must configure a circu

Configuring IP Services3-8 117356-A Rev. ADeleting OSPF from an IP InterfaceTo delete OSPF from an interface on which it is currently configured, proce

Starting IP Services with Site Manager117356-A Rev. A 3-9Starting BGPBefore you can select a protocol to run on the router, you must configure a circui

Configuring IP Services3-10 117356-A Rev. ADeleting BGP from the RouterYou can delete BGP from all router circuits on which it is currently enabled. T

Starting IP Services with Site Manager117356-A Rev. A 3-11To delete BGP-4, complete the following steps:Customizing BGPThe instructions in this chapte

Configuring IP Services3-12 117356-A Rev. AStarting EGPBefore you can select a protocol to run on the router, you must configure a circuit that the pro

Starting IP Services with Site Manager117356-A Rev. A 3-13Deleting EGP from the RouterYou can delete EGP from all router circuits on which it is curre

Configuring IP Services3-14 117356-A Rev. AStarting NATBefore you can choose a protocol to run on the router, you must configure a circuit that the pro

Starting IP Services with Site Manager117356-A Rev. A 3-15Deleting NAT from an IP InterfaceTo delete NAT from an interface on which it is currently co

117356-A Rev. A vii Chapter 4Customizing IP Services Customizing IP Global Parameters ...

Configuring IP Services3-16 117356-A Rev. AUsing the Circuitless IP InterfaceA circuitless IP interface has an IP address that is not mapped to a spec

Starting IP Services with Site Manager117356-A Rev. A 3-17Starting IP on the Circuitless InterfaceTo configure a circuitless IP interface, begin at the

Configuring IP Services3-18 117356-A Rev. AChoosing Slots to Support the Circuitless InterfaceBy default, all slots support the IP circuitless interfa

Starting IP Services with Site Manager117356-A Rev. A 3-19Configuring an Unnumbered IP InterfaceIP allows you to configure an interface on a point-to-po

Configuring IP Services3-20 117356-A Rev. ABecause all traffic over an unnumbered interface uses broadcast addressing at the link layer, neither an adj

Starting IP Services with Site Manager117356-A Rev. A 3-21Using the Alternate Associated Address OptionThe alternate associated address option ensures

117356-A Rev. A 4-1Chapter 4Customizing IP ServicesYou customize IP services by setting parameters as described under the following topics:Topic PageC

Configuring IP Services4-2 117356-A Rev. ACustomizing IP Global ParametersWhen you configure an IP interface on a slot, IP is automatically configured g

Customizing IP Services117356-A Rev. A 4-3Navigating the BCC to the IP Global PromptBeginning at the top-level box prompt, enteripThe IP global prompt

viii 117356-A Rev. A Specifying the Maximum Size of the Forwarding Table ...4-53Configuring an Interface for an

Configuring IP Services4-4 117356-A Rev. AOpening the Site Manager Window for IP Global ParametersUse the following Site Manager procedure to open the

Customizing IP Services117356-A Rev. A 4-5Disabling and Reenabling Global IPIP is enabled on the slot by default. You can change the state of IP as re

Configuring IP Services4-6 117356-A Rev. AConfiguring the Router for Not-Forwarding ModeBy default, IP forwards all packets that are not addressed to i

Customizing IP Services117356-A Rev. A 4-7Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window, ch

Configuring IP Services4-8 117356-A Rev. AConfiguring Bridging on a Router in Not-Forwarding ModeBecause the IP router does not forward IP traffic in no

Customizing IP Services117356-A Rev. A 4-9a. Bay Networks router with bridge and IP in host-only modeb. Ethernet connectionc. Token ring connectiond.

Configuring IP Services4-10 117356-A Rev. Aa. Bay Networks router with bridge and IP in host-only modeb. Ethernet connectionc. Token ring connectiond.

Customizing IP Services117356-A Rev. A 4-11Setting the Time-to-Live Value on a Source PacketEach IP data packet includes a time-to-live (TTL) value. T

Configuring IP Services4-12 117356-A Rev. AUsing Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window, c

Customizing IP Services117356-A Rev. A 4-13Allowing an All-Zero or All-One Subnet AddressBy default, for IP, an address with a subnet portion of all z

117356-A Rev. A ixSending Triggered Updates ...6-13Specifying a Time

Configuring IP Services4-14 117356-A Rev. AEstimating the Size of the Routing TableIP allows you to estimate the number of networks and hosts that wil

Customizing IP Services117356-A Rev. A 4-15Using a Default Route for an Unknown SubnetBy default, IP drops packets addressed to an unknown subnet and

Configuring IP Services4-16 117356-A Rev. ASpecifying the Maximum Number of IP PoliciesBy default, IP allows you configure up to 32 announce policies a

Customizing IP Services117356-A Rev. A 4-17Disabling and Reenabling Route Filter SupportBy default, IP supports route filters. When route filter support

Configuring IP Services4-18 117356-A Rev. AEnabling Equal-Cost Multipath SupportBy default, IP stores the best next hop to a destination in the routin

Customizing IP Services117356-A Rev. A 4-19Using Site ManagerSite Manager ProcedureYou do this System responds1. In the Configuration Manager window, c

Configuring IP Services4-20 117356-A Rev. AConfiguring RIP and OSPF for Equal-Cost Multipath SupportBy default, the IP routing table contains a single

Customizing IP Services117356-A Rev. A 4-21For example, the following command sequence enables round-robin ECMP routing and allows up to five distribut

Configuring IP Services4-22 117356-A Rev. AEnabling ISP Mode on the RouterIP provides an Internet Service Provider (ISP) mode of operation. In ISP mod

Customizing IP Services117356-A Rev. A 4-23Using the BCCNavigate to the IP global prompt and enterisp-mode statestate isenableddisabled (default)Using