Avaya Configuring IP Services Uživatelský manuál

Configuring IP Services Router Software Version 10.0Site Manager Software Version 4.0Software Version BNX 6.0Site Manager Software Version BNX 6.0Pa

Configuring IP Servicesxxviii Conventions angle brackets (< >) Indicate that you choose the text to enter based on the description inside the b

Configuring IP Services2-72 Parameter: Next Hop Interface Mask Default: 0.0.0.0 Options: Based on the network class of the IP address specified at the

Configuring IP Routers and Interfaces2-73 Parameter: Adjacent Host X.121 Address Default: None Options: Any valid X.121 address Function: Specifies the

Configuring IP Services2-74Figure 2-17. Edit TFTP Parameters WindowTFTP Interface Parameter DescriptionsUse the following descriptions to set TFTP int

Configuring IP Routers and Interfaces2-75 Parameter: Default Volume Default: 2 Options: 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 Fun

Configuring IP Services2-76 Parameter: Retransmit Default: 5 retransmissions Range: Any number of retransmissions Function: Specifies the number of tim

Configuring IP Routers and Interfaces2-77RIPSO Interface Parameter DescriptionsUse the following descriptions to set RIPSO parameters. Parameter: Enab

Configuring IP Services2-78 Parameter: Strip Security Default: None Options: None | Incoming | Outgoing | All Function: Specifies the type of IP datagr

Configuring IP Routers and Interfaces2-79 Parameter: Require Out Security Default: All Options: None | Forwarded | Originated | All Function: Specifies

Configuring IP Services2-80 Parameter: Require In Security Default: All Options: None | All Function: Specifies which type of incoming IP datagram requ

Configuring IP Routers and Interfaces2-81 Parameter: Max Level Default: Top Secret Options: Unclassified | Confidential | Secret | Top Secret Function:

About This Guidexxix Acronyms ANSI American National Standards InstituteARP Address Resolution ProtocolATM Asynchronous Transfer ModeBGP Border Gatew

Configuring IP Services2-82 Parameter: May Out Authority Default: ANY Options: ANY | GENSER | SIOPESI | SCI | NSA | DOE Function: Specifies which autho

Configuring IP Routers and Interfaces2-83 Parameter: May In Authority Default: Any Options: Any | GENSER | SIOPESI | SCI | NSA | DOE Function: Specifie

Configuring IP Services2-84 Parameter: Implicit Authority Default: No authority flags selected Options: No authority flags selected | GENSER | SIOPESI |

Configuring IP Routers and Interfaces2-85 Parameter: Default Authority Default: No authority flags selected Options: No authority flags selected | GENSE

Configuring IP Services2-86 Parameter: Error Authority Default: No authority flags selected Options: No authority flags selected | GENSER | SIOPESI | SC

Configuring IP Routers and Interfaces2-87Figure 2-18. IP Router Discovery WindowRouter Discovery Window Parameter DescriptionsUse the following descri

Configuring IP Services2-88 Parameter: Broadcast Type Default: Multicast Options: Multicast | Local | Direct Function: Specifies the type of broadcast

Configuring IP Routers and Interfaces2-89 Parameter: Lifetime Default: 1800 Options: A value specifying the number of seconds Function: Specifies the m

Configuring IP Services2-90To configure BFE support on an IP interface, begin at the Configuration Manager window and perform the following procedures:1

Configuring IP Routers and Interfaces2-91Table 2-3. BFE Required X.25 Packet-Level Parameter Settings X.25 Parameter BFE Required SettingEnable Enable

Configuring IP Services2-92Max Packet Length BFE options include 128, 256, 512, and 1024. If you specify any other value than the default value configu

Configuring IP Routers and Interfaces2-93Table 2-4. BFE Required X.25 Network Service Record Parameter Settings X.25 Parameter BFE Required SettingEna

Configuring IP Services2-94CUG Facility Type This parameter is ignored.CUG Number This parameter is ignored.Table 2-4. BFE Required X.25 Network Servi

3-1Chapter 3Configuring RIP ServicesThis chapter contains the following sections describing the Bay Networks implementation of the Routing Information

Configuring IP Services3-2The Bay Networks implementation of RIP offers features of RIP Version 1 and RIP Version 2. Combined features include• RIP Ve

Configuring RIP Services3-3Sending Split Horizon and Poisoned Reverse UpdatesSplit horizon and poisoned reverse updating are schemes for controlling t

Configuring IP Services3-4Receiving RIP UpdatesRIP can receive both RIP Version 1 and RIP Version 2 updates. A RIP Version 2 update message includes a

Configuring RIP Services3-5RIP accept policies (and import route filters) include a subnet mask parameter that you can use to override the default mask

Configuring IP Services3-6• Now suppose you know that the network mask for 2.3.3.0 is actually 255.255.255.0. You can write an accept policy to match

Configuring RIP Services3-7On interfaces not configured and enabled for authentication, the following steps occur:1. If no password is present, RIP acc

1-1 Chapter 1IP Concepts, Terminology, and Features The following sections introduce concepts and terminology used in this manual:• IP Router Functio

Configuring IP Services3-8Configuring RIP on the RouterBefore you can configure RIP on the router, you must perform the following operations to ensure t

Configuring RIP Services3-9Figure 3-1. IP RIP Interfaces WindowRIP Parameter DescriptionsThis section describes how to set all parameters shown on the

Configuring IP Services3-10 Parameter: Enable Default: Enable Options: Enable | Disable Function: Specifies whether the Routing Information Protocol (R

Configuring RIP Services3-11 Parameter: Default Route Supply Default: Disable Options: Enable | Disable | Generate Function: Specifies whether or not t

Configuring IP Services3-12 Parameter: Poisoned Reverse Default: Poisoned Options: Poisoned | Actual | Split Function: Specifies how the RIP interface

Configuring RIP Services3-13 Parameter: Broadcast Timer Default: 30 seconds Range: 5 seconds to 86,400 seconds (24 hours) Function: Specifies how frequ

Configuring IP Services3-14 Parameter: RIP Mode Default: RIP I Options: RIP I | RIP II | RIPII with aggregation Function: Specifies which mode of RIP t

Configuring RIP Services3-15 Parameter: Triggered Updates Default: Disable Options: Enable | Disable Function: Configures RIP to generate an update eac

4-1 Chapter 4Configuring OSPF Services Open Shortest Path First (OSPF) is an internal gateway protocol for use in large networks. This chapter consist

Configuring IP Services1-2 IP routers process each datagram individually. The datagram header provides the router with the destination IP address, as

Configuring IP Services4-2 Link States and Shortest Path Trees OSPF is a link-state protocol . A router running a link-state protocol periodically t

Configuring OSPF Services4-3 Each time the OSPF soloist is restarted, all of the routing information is lost and must be relearned from the network.

Configuring IP Services4-4 Figure 4-1, for example, shows a point-to-multipoint topology in which four AN routers are connected by Frame Relay links

Configuring OSPF Services4-5 Running OSPF with point-to-multipoint network interfaces addresses two problems: how to minimize the number of subnets a

Configuring IP Services4-6 Bidirectional communication is determined when one router sees itself listed in the neighbor’s Hello packet. Establishing

Configuring OSPF Services4-7 Dividing an AS into Areas OSPF routers reduce and restrict the amount of internal and external routing information that

Configuring IP Services4-8 • Each border router connects an area to the backbone. In Figure 4-2, R3, R8, and R11 are border routers. Using the back

Configuring OSPF Services4-9 Figure 4-3, for example, provides a closer view of router R4, an internal router in Area A in Figure 4-2. R4 has six int

Configuring IP Services4-10 Configuring a Border Router Each area is connected to the backbone by one or more border routers. In Figure 4-2, for examp

Configuring OSPF Services4-11 • Receives (via the backbone) summaries from other border routers, uses this information to create new routing summarie

IP Concepts, Terminology, and Features1-3 IP Addresses An IP address consists of 32 bits that have the form network.host . The network portion is a

Configuring IP Services4-12 An area that is used to provide a virtual link between a border router and the backbone is considered to be a transit ar

Configuring OSPF Services4-13 Defining a Range for a Summary Route Border routers generate summary advertisements for their attached areas. Each summa

Configuring IP Services4-14 Configuring a Boundary Router A router connected to a non-OSPF network — called a boundary router — injects AS externa

Configuring OSPF Services4-15 Specifying the Metric Type for an ASE Advertisement Each ASE advertisement that a boundary router injects into the AS i

Configuring IP Services4-16 Figure 4-6. OSPF ASE Routes Using the External Route Tag in an ASE An OSPF AS external route advertisement includes an ex

Configuring OSPF Services4-17 By default, Bay Networks boundary routers that generate ASEs set the external route tag field to 0. For a boundary route

Configuring IP Services4-18 Applying IP Policies to OSPF Interfaces According to the OSPF standard, all routers in a given area must maintain a simil

Configuring OSPF Services4-19 OSPF recognizes that a simple hop count takes no account of reliability, bandwidth, delay, or the actual dollar cost of

Configuring IP Services4-20 Enabling Authentication and Specifying a Password OSPF provides a measure of security through the use of passwords. If an

Configuring OSPF Services4-21 Table 4-1 lists the OSPF area routers and describe the principal services they provide.All areas in the autonomous syst

Configuring IP Services1-4 Figure 1-1. Network and Host Portions of IP Addresses You specify IP addresses in dotted decimal notation. To express an I

Configuring IP Services4-22 All routers in an OSPF area must have databases that are synchronized for that area. First, the routers in the area use t

Configuring OSPF Services4-23 • Keep the same password throughout an area, or even throughout the entire OSPF AS, if possible.• Use the default timer

Configuring IP Services4-24 The Technician Interface allows you to modify parameters by issuing set and commit commands with the MIB object ID.

Configuring OSPF Services4-253. Edit the parameters on the IP Configuration window as described in “IP Configuration Parameter Descriptions” on page 2-3

Configuring IP Services4-265.Enter the address of the area to which this interface belongs and click on OK.Figure 4-10. Area Address for Interface Win

Configuring OSPF Services4-272. Perform any of the functions described in the following sections. Figure 4-11. OSPF Interface List WindowEditing an OS

Configuring IP Services4-282.Edit those parameters you want to change. All OSPF interface parameters are described following these instructions.3. Cli

Configuring OSPF Services4-29 Parameter: Type Default: Broadcast Options: Broadcast | NBMA (nonbroadcast multiaccess) | Point-to-point | Point-to-mult

Configuring IP Services4-30 Parameter: Transit Delay Default: 1 second Range: 1 to 3600 seconds Function: Indicates the estimated number of seconds i

Configuring OSPF Services4-31 Parameter: Hello Interval Default: 10 seconds Range: 1 to 65,535 seconds Function: Indicates the number of seconds betwe

IP Concepts, Terminology, and Features1-5 With subnets, you partition the host portion of an IP address into a subnet number and a “real” host number

Configuring IP Services4-32 Parameter: Dead Interval Default: 40 seconds Range: 1 to 2147483647 seconds Function: Indicates the number of seconds th

Configuring OSPF Services4-33 Parameter: Metric Cost Default: 1 Range: 1 to 65535 Function: Indicates the cost of using this type of service on this

Configuring IP Services4-34 Parameter: Password Default: None Options: Any ASCII string up to eight characters long Function: Specifies the password us

Configuring OSPF Services4-35Editing OSPF Global ParametersWhen you edit OSPF global parameters, you are editing parameters that affect OSPF on the en

Configuring IP Services4-36OSPF Global Parameter DescriptionsThis section describes how to set all parameters shown on the Edit OSPF Global Parameters

Configuring OSPF Services4-37 Parameter: AS Boundary Router Default: No Options: Yes | No Function: Indicates whether or not this router functions as

Configuring IP Services4-38 Parameter: OSPF Slot Default: All slots Range: Any slot on the router Function: Indicates which slot(s) the OSPF soloist i

Configuring OSPF Services4-39 Parameter: Backup Enable Default: Disable Options: Enable | Disable Function: Enables or disables the backup OSPF solois

Configuring IP Services4-40LSA RECEIPT: log receipt of new LSAs.Example: "T5: Received new LSA - type x LSID x.x.x.x router x.x.x.x neighbor x.x.

Configuring OSPF Services4-41Figure 4-13. Primary Log Mask Window Parameter: Backup Log Mask Default: Log no messages Options: See Figure 4-14 Functio

Configuring IP Services1-6 For example, to construct a subnet mask for the IP address described earlier (10000000 00100000 00001010 10100111), do the

Configuring IP Services4-42DEBUG: log debug messages.Example: "OSPF couldn't get a buffer, dying"INTF STATE: log OSPF interface state c

Configuring OSPF Services4-43Figure 4-14. Backup Log Mask Window Parameter: Tag Generation Method Default: Zero Options: Zero | Autotag | Proprietary

Configuring IP Services4-44Editing OSPF Area Parameters To edit OSPF Area Parameters, begin at the Configuration Manager window and proceed as follows:

Configuring OSPF Services4-45Figure 4-15. OSPF Area List WindowAdding an AreaTo add an OSPF area, begin at the OSPF Areas window shown in Figure 4-15

Configuring IP Services4-46Editing an AreaAfter you add an area, you may edit any of your area’s default parameters. To edit an area, begin at the OSP

Configuring OSPF Services4-47 Parameter: Authentication Type Default: None Options: None | Simplepassword Function: Enables or disables password authe

Configuring IP Services4-48 Parameter: Stub Metric Default: 1 Range: 1 to 255 Function: When an area border router is connected to a stub area, it ge

Configuring OSPF Services4-49Adding a Range to an AreaRanges are address/mask pairs that let you group subnetted networks residing in the same area. T

Configuring IP Services4-50Figure 4-16. OSPF Range List WindowFigure 4-17. OSPF Range Area Window

Configuring OSPF Services4-51OSPF Range Parameter DescriptionsThis section describes how to set OSPF range parameters. Parameter: Range Net Default: N

IP Concepts, Terminology, and Features1-7 Supernet Addressing and Classless Interdomain Routing (CIDR) A supernet is a group of networks identified by

Configuring IP Services4-52 Parameter: Status Default: Advertise Options: Advertise | Do Not Advertise Function: Specifies whether the boundary router

Configuring OSPF Services4-53The Enable and Mask parameters are described following these instructions.5. Click on Apply to implement your changes.6.

Configuring IP Services4-54Deleting a Range from an AreaIf you no longer want a range to be associated with an area, you can delete it. To delete a ra

Configuring OSPF Services4-55Adding a Neighbor to an NBMA InterfaceIn an NBMA network, neighbors are not learned dynamically. For each neighbor on the

Configuring IP Services4-56Figure 4-19. OSPF Neighbor Configuration Window Parameter: Neighbor’s IP Address Default: None Options: IP address of neighb

Configuring OSPF Services4-57Editing a NeighborOnce you have configured the neighbors for an NBMA interface, you can change them. To edit a neighbor, b

Configuring IP Services4-58 Parameter: Priority Default: 1 Range: 0 to 255 Function: Indicates the priority of this neighbor, with 255 indicating the

Configuring OSPF Services4-59Configuring OSPF Virtual InterfacesTo add, edit, or delete OSPF virtual interfaces, begin at the Configuration Manager wind

Configuring IP Services4-60Adding a Virtual InterfaceTo add a virtual interface, begin at the OSPF Virtual Interface List window shown in Figure 4-20

Configuring OSPF Services4-61 Parameter: Neighbor’s Router ID Default: None Range: Any IP address Function: Identifies the interface at the other end o

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Configuring IP Services1-8 The supernet address for this block is 11000000 00100000 00000, the 21 upper bits shared by the 32-bit addresses. A comple

Configuring IP Services4-62 Parameter: Transit Delay Default: 1 second Range: 1 to 360 seconds Function: Indicates the estimated number of seconds it

Configuring OSPF Services4-63 Parameter: Hello Interval Default: 15 seconds Range: 1 to 360 seconds Function: Indicates the number of seconds between

Configuring IP Services4-64 Parameter: Dead Interval Default: 60 seconds Range: 1 to 2000 seconds Function: Indicates the number of seconds that a rou

Configuring OSPF Services4-65 Parameter: Password Default: None Options: Any ASCII text string up to eight characters long Function: Specifies the pass

5-1Chapter 5Configuring BGP ServicesThis chapter describes the Bay Networks implementation of the Border Gateway Protocol (BGP) and shows you how to ed

Configuring IP Services5-2BGP FeaturesBGP is an exterior gateway protocol primarily used to exchange network reachability information with other BGP s

Configuring BGP Services5-3BGP features include• TCP supportThe neighbors communicate over a reliable transport layer connection —TCP — so that BGP ca

Configuring IP Services5-4Configuring BGP on the RouterBGP communicates with BGP speakers in other routers through BGP interfaces to attached networks.

Configuring BGP Services5-5Using the Circuitless IP InterfaceIn configuring a peer-to-peer connnection for BGP speakers, you specify a local peer addre

IP Concepts, Terminology, and Features1-9 Figure 1-2. Internet Segmented into Three Autonomous Systems Routing Information Protocol (RIP) The Routing

Configuring IP Services5-6To establish a peer-to-peer connection between Router A and Router B, you must do the following:1. Choose a numbered interfa

Configuring BGP Services5-7Figure 5-3. Establishing and Confirming a Connection between BGP PeersAll BGP speakers respond to connection requests from o

Configuring IP Services5-8Keeping the Connection AliveOnce Open messages have been exchanged, each speaker then sends a Keepalive message (see “Keepal

Configuring BGP Services5-9BGP MessagesBGP uses four different message types: Open, Keepalive, Update, and Notification. All of the messages share a co

Configuring IP Services5-10Over switched virtual circuits, a Holdtime of zero can be used. This disables the transmission of periodic Keepalive messag

Configuring BGP Services5-11When a BGP speaker receives a route in an Update message, it applies any local routing policies to determine whether the r

Configuring IP Services5-12You set values in BGP-3 accept and announce policy parameters to match and, in some cases, to override the attribute values

Configuring BGP Services5-13You set values in BGP-4 accept and announce policy parameters to match and, in some cases, override the attribute values c

Configuring IP Services5-14BGP-4 accept and announce policies allow you to specify a match for an AS number in an AS path. To specify the position of

Configuring BGP Services5-15Notification MessageThe notification message is sent whenever a condition is detected that causes a BGP speaker to terminate

Configuring IP Services1-10 Open Shortest Path First (OSPF) Protocol The Open Shortest Path First (OSPF) protocol is an IGP intended for use in large

Configuring IP Services5-16Error codes and their associated subcodes are described in Table 5-4.Table 5-4. Notification Message Error Codes and Subcode

Configuring BGP Services5-17How BGP Selects the Best PathA BGP speaker must, at times, evaluate and compare different paths to a destination network t

Configuring IP Services5-18Routing PoliciesBGP accept and announce policies govern which routes are used by a router, and which are propagated to othe

Configuring BGP Services5-19A steep penalty is applied to routes that are advertised with an ORIGIN attribute other than IGP — that is, EGP or Incompl

Configuring IP Services5-20Best Route Calculation for Equal RoutesThe following eight rules (tie breakers) are used to choose between two equal BGP ro

Configuring BGP Services5-21Using IBGP in a Transit ASIf an AS has more than one BGP speaker, it can provide transit service between multiple networks

Configuring IP Services5-22When setting up IBGP connections, consider using a circuitless IP interface. Doing so separates the connection endpoint fro

Configuring BGP Services5-23Use BGP message logging parameters to limit the volume of debug-level messages that BGP generates and logs. If you allow B

Configuring IP Services5-24• If you are using BGP for a multihomed AS (one that contains more than one exit point), we strongly encourage you to use O

Configuring BGP Services5-25Configuring BGP on the RouterBefore you can configure BGP on the router, you must perform the following operations to ensure

IP Concepts, Terminology, and Features1-11 Exterior Gateway Protocol (EGP) The Exterior Gateway Protocol (EGP-2) is an exterior gateway protocol used

Configuring IP Services5-26The BGP Configuration window opens (Figure 5-5). Figure 5-5. BGP Configuration Window5.Configure the parameters as described i

Configuring BGP Services5-27BGP Configuration Parameter Descriptions Parameter: Identifier Default: None Options: An IP address of an IP interface on th

Configuring IP Services5-28 Parameter: Route Server Topology Default: None Options: None | Client | Mesh | Tree Function: Configures the router as an I

Configuring BGP Services5-29Figure 5-6. Edit BGP Global Parameters WindowBGP Global Parameter DescriptionsThis section describes how to set all BGP gl

Configuring IP Services5-30 Parameter: BGP Identifier Default: None Options: An IP address of an IP interface on this router Function: Identifies the BG

Configuring BGP Services5-31 Parameter: BGP From Protocols Default: BGP Options: BGP | ALL Function: Controls (if intra-AS routing is enabled) the typ

Configuring IP Services5-32 Parameter: BGP Collision Detect Default: Enable Options: Enable | Disable Function: Specifies whether redundant BGP connect

Configuring BGP Services5-33 Parameter: Route Server Topology Default: None Options: None | Client | Mesh | Tree Function: Configures the router as an

Configuring IP Services5-34Editing BGP-3 Global ParametersWhen you edit the BGP-3 global parameters, you are editing parameters that affect BGP-3 on t

Configuring BGP Services5-35Editing BGP-4 Global ParametersWhen you edit the BGP-4 global parameters, you are editing parameters that affect BGP-4 on

Configuring IP Services1-12 You can configure a preference value in the range of 1 to 16 for RIP, BGP, EGP, OSFP external, and static routes. The pref

Configuring IP Services5-36Configuring a BGP Peer RelationshipWhen you configure BGP peers, you are setting parameters that affect the formation of BGP

Configuring BGP Services5-37The BGP Peer List window opens (Figure 5-10). It shows all of the neighbors configured for the IP interface that you select

Configuring IP Services5-38Adding a BGP PeerTo add a BGP peer to an IP interface, begin at the BGP Peer List window shown in Figure 5-10 and complete

Configuring BGP Services5-39BGP Peer Parameter DescriptionsThis section describes how to set BGP peer configuration parameters shown on the BGP Peer Pa

Configuring IP Services5-40 Parameter: Peer RS Mode Default: None Options: None | Client | Internal | External Function: Indicates the route server mo

Configuring BGP Services5-41 Parameter: Enable Default: Enable Options: Enable | Disable Function: Enables or disables a BGP peer relationship with th

Configuring IP Services5-42 Parameter: Peer AS Default: None Range: 1 to 65535 Function: Identifies the autonomous system to which the BGP router at th

Configuring BGP Services5-43 Parameter: Holdtime Default: 90 seconds Range: 0 or any decimal number greater than 2 Function: Specifies the holdtime tha

Configuring IP Services5-44 Parameter: Min AS Origination Interval Default: 15 seconds Range: A value greater than 0 Function: Determines the minimum

Configuring BGP Services5-45 Parameter: Peer Route Echo Switch Default: Enable Options: Enable | Disable Function: Controls the way the router echoes

IP Concepts, Terminology, and Features1-13Using selection criteria encoded in the route weight, IP chooses routes in the following order:• The route w

Configuring IP Services5-46 Parameter: Peer RS Mode Default: None Options: None | Client | Internal | External Function: Indicates the route server mo

Configuring BGP Services5-47Deleting a BGP PeerTo delete a BGP peer from an IP interface, begin at the BGP Peer List window shown in Figure 5-10, and

Configuring IP Services5-48Figure 5-12. BGP AS Weights WindowBGP Weight Parameter DescriptionsThis section describes how to set all parameters shown o

Configuring BGP Services5-49 Parameter: Weight Value 1 Default: 8 Range: 1 to 15, plus the infinity value of 16 Function: Specifies the Class 1 weight v

Configuring IP Services5-50 Parameter: Weight Value 4 Default: 8 Range: 1 to 15, plus the infinity value of 16 Function: Specifies the Class 4 weight va

Configuring BGP Services5-51 Parameter: Weight Value 7 Default: 8 Range: 1 to 15, plus the infinity value of 16 Function: Specifies the Class 7 weight v

Configuring IP Services5-524.Repeat Steps 1 through 3 to edit any other AS you want to change; remembering to click on Apply each time.5. Click on Don

Configuring BGP Services5-53Figure 5-13. BGP Debug Parameters Window2.Click on Add. The New BGP Debug Parameters window opens (Figure 5-14).Figure 5-1

Configuring IP Services5-543.Edit the parameters to specify a connection and indicate the level of information you need.4. Click on OK to exit the win

Configuring BGP Services5-55 Parameter: Message Trace Switch Default: DISABLE Options: DISABLE | OPEN | UPDATE | NOTIFICATION | KEEPALIVE Function: Sp

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

Configuring IP Services5-56Deleting BGP-4 from the RouterYou can delete BGP-4 from all router circuits on which it is currently enabled. To delete BGP

6-1Chapter 6Configuring EGP ServicesThis chapter, which explains how to configure the Exterior Gateway Protocol, contains the following sections:• EGP O

Configuring IP Services6-2Figure 6-1. EGP Connection between Two Autonomous Systems Running RIPThe Bay Networks implementation of EGP complies with RF

Configuring EGP Services6-3Neighbor Acquisition PhaseThis portion of EGP is responsible for forming neighbor relationships between routers that are pe

Configuring IP Services6-4• Neighbor Acquisition Cease MessageWhen two routers have an established neighbor relationship, either of the routers may se

Configuring EGP Services6-5Table 6-1 shows all possible acquisition mode combinations that are available when you configure the EGP neighbors at each e

Configuring IP Services6-6Neighbor Reachability PhaseThis portion of EGP is responsible for monitoring and maintaining an established EGP neighbor rel

Configuring EGP Services6-7As stated previously, Hello messages and I-H-U messages are used to determine neighbor reachability. A neighbor is reachabl

Configuring IP Services6-8Figure 6-3. Neighbor Reachability Exchange Begins between Two EGP NeighborsWhen Router B sends its first Hello message, Route

Configuring EGP Services6-9Figure 6-4. Neighbor Reachability Is Established with Both Routers in the UP StateNetwork Reachability PhaseThis portion of

IP Concepts, Terminology, and Features1-15IP Traffic FiltersA traffic filter enables the router to selectively relay or drop an inbound packet, frame, or

Configuring IP Services6-10Although the Routing Update Response is typically sent as a response, each router is allowed to send one Unsolicited Routin

Configuring EGP Services6-11• CoreWhen the router is configured as a core gateway, the AS to which it belongs acts as a transit AS. In the core mode, i

Configuring IP Services6-12• The remote IP address must be on the same subnet as one of the local IP interfaces.• EGP does not have any loop avoidance

Configuring EGP Services6-13Configuring EGP on the RouterBefore you can configure EGP on the router, you must perform the following operations to ensure

Configuring IP Services6-14Figure 6-6. Edit EGP Global Parameters WindowEGP Global Parameter DescriptionsThis section describes how to set all EGP glo

Configuring EGP Services6-15 Parameter: Local Autonomous System ID Default: None Range: 1 to 65535 Function: Identifies the local autonomous system (th

Configuring IP Services6-16Figure 6-7. IP Interface List for EGP Window2.Click on the IP interface for which you want to edit EGP neighbor parameters.

Configuring EGP Services6-17Figure 6-8. EGP Neighbors List Window4.Add an EGP neighbor, edit parameters associated with a specific EGP neighbor, or del

Configuring IP Services6-183.Click on OK. The neighbor you just added now appears in the scroll box in the EGP Neighbors List window.Figure 6-9. EGP N

Configuring EGP Services6-19 Parameter: Gateway Mode Default: Core Options: Core | Non Core Function: Specifies the gateway mode for this EGP neighbor.

Configuring IP Services6-20 Parameter: Enable Default: Enable Options: Enable | Disable Function: Enables or disables an EGP neighbor relationship wit

Configuring EGP Services6-21 Parameter: Hello Timer Default: 60 seconds Range: 30 to 120 seconds Function: Specifies the number of seconds between the

Configuring IP Services6-22Deleting EGP from the RouterYou can delete EGP from all router circuits on which it is currently enabled. To delete EGP, be

7-1Chapter 7Configuring IP MulticastingAn IP environment can include both unicast and multicast routers.•A unicast router forwards unicast datagrams —

Configuring IP Services7-2Host GroupsMulticasting defines two categories of host groups: permanent and transient. •A permanent host group has a well-kn

Configuring IP Multicasting7-3Internet Group Management ProtocolAny host system on any IP network can send a message to a multicast group using the gr

Configuring IP Services7-4Upon initialization, the host may immediately send out a report for each of its supported multicast groups. The router accep

Configuring IP Multicasting7-5In Figure 7-1, for example, multicasting Router A has two neighbors, Router B and Router C. Router A and Router B are co

Configuring IP Services7-63. Receives reports from its neighbors containing the routing information (including route costs)In Figure 7-1, for example,

Configuring IP Multicasting7-7Advertising a RoutePeriodically, each multicasting router issues full or partial routing information on each DVMRP circu

2-1Chapter 2Configuring IP Routers and InterfacesThis chapter consists of the following sections:• Configuring IP Interfaces - page 2-2• Configuring IP o

Configuring IP Services7-8If neighboring routers have the same metric to a given source network, the router with the lower IP address will be responsi

Configuring IP Multicasting7-9Aging a RouteWhen a router adds or updates a route, it runs configurable aging timers that control the useful life of the

Configuring IP Services7-10For mrouted compatibility, multicast datagrams originated by the router have a TTL of 1. These datagrams are not compared a

Configuring IP Multicasting7-11Types of Multicast SupportUsing Site Manager, the network administrator can specify various types of multicast support

Configuring IP Services7-12Editing Multicasting ParametersThe following sections show you how to configure DVMRP and IGMP on a slot and add DVMRP and I

Configuring IP Multicasting7-133. Edit the IP Configuration Window as described in “Configuring a Circuit and Adding an IP Interface” on page 2-32.4. Cl

Configuring IP Services7-14Figure 7-2. DVMRP Global Configuration Window

Configuring IP Multicasting7-15DVMRP Global Configuration Parameter DescriptionsUse this section as a guide for setting DVMRP global parameters. Parame

Configuring IP Services7-16 Parameter: Leaf Timeout Default: 200 seconds Range: 25 to 4000 seconds Function: Specifies, in seconds, a value for the vir

Configuring IP Multicasting7-17 Parameter: Garbage Timeout Default: 340 seconds Range: 40 to 8000 seconds Function: Specifies, in seconds, the duration

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Configuring IP Services2-2Configuring IP InterfacesAn IP network interface consists of a physical circuit configured with the appropriate data link and

Configuring IP Services7-18 Parameter: Neighbor Probe Interval Default: 10 seconds Range: 5 to 30 seconds Function: Specifies how often to send a probe

Configuring IP Multicasting7-19 Parameter: Pruning Enable Default: Enable Options: EnableDisable Function: Enables or disables pruning functionality

Configuring IP Services7-20Editing DVMRP Circuit ParametersDVMRP is configured on a per-circuit basis. To edit DVMRP circuit parameters1. Select➔IP➔Mul

Configuring IP Multicasting7-21 Parameter: Enable Default: Enable Options: Enable | Disable Function: Enables or disables DVMRP on this circuit. Instr

Configuring IP Services7-22 Parameter: Metric Default: 1 Range: 1 to 31 Function: Specifies the cost of this interface. Instructions: Determine the co

Configuring IP Multicasting7-23 Parameter: Forward Cache Size Default: 32 Range: 32 to 512 entries Function: Specifies the maximum number of entries al

Configuring IP Services7-24Editing DVMRP Tunnel ParametersTo edit DVMRP tunnel parameters:1. Select IP➔Multicast➔DVMRP➔Tunnel.The DVMRP Tunnel Paramet

Configuring IP Multicasting7-25 Parameter: Enable Default: Enable Options: Enable | Disable Function: Enables or disables this tunnel interface. Instr

Configuring IP Services7-26 Parameter: Threshold Default: 1 hop Range: 1 to 254 hops Function: Specifies a time-to-live (TTL) value for the tunnel. Thi

Configuring IP Multicasting7-271. Click on Add. The DVMRP Tunnel Address window opens (Figure 7-5).2. Enter a local and remote IP address for the tunn

Configuring IP Routers and Interfaces2-3As part of the router configuration process, the network administrator associates a network with an interface b

Configuring IP Services7-28 Parameter: Remote IP address Default: Null Options: The unicast IP address of an interface supporting multicasting on a ne

Configuring IP Multicasting7-29IGMP Global Configuration Parameter DescriptionsUse this section as a guide for setting IGMP global configuration paramet

Configuring IP Services7-30 Parameter: Version Threshold Time Default: 540 seconds Range: 1 to 65535 seconds Function: The number of seconds that can

Configuring IP Multicasting7-31Figure 7-7. IGMP Entry Interface Parameters WindowIGMP Entry Interface Parameter DescriptionsUse this section as a guid

Configuring IP Services7-32 Parameter: Interface Query Rate Default: 120 seconds Range: 0 to 4096 seconds Function: Specifies, in seconds, how often th

Configuring IP Multicasting7-33 Parameter: Max Host Response Time Default: 100 tenths of a second Range: 1 to 100 tenths of a second Function: Specifie

8-1Chapter 8Configuring NetBIOS over IPThe Network Basic Input-Output System (NetBIOS) is a session layer communications service used by client and ser

Configuring IP Services8-2The following sections show you how to configure and customize Bay Networks router software to support NetBIOS in an IP envir

Configuring NetBIOS over IP8-3This chapter describes IP support for the NetBIOS name service, the NetBIOS session service, and the NetBIOS datagram se

Configuring IP Services2-4Adding an Unnumbered IP Interface to a Point-to-Point CircuitIP allows you to configure an interface on a point-to-point conn

Configuring IP Services8-4If alternate paths exist between different network segments, broadcasting loops can occur. To prevent such loops, the router

Configuring NetBIOS over IP8-5The server responds to the Name Query Request by issuing a Positive Name Query Response, containing the IP address of th

Configuring IP Services8-6When you configure a static name, you must specify its NetBIOS scope — that is, the area of the network across which the name

Configuring NetBIOS over IP8-7Aging a Cache EntryThe router ages cache entries to ensure that cached routes remain consistent with the current network

Configuring IP Services8-8Adding a Traffic Filter to a NetBIOS InterfaceIf name caching is enabled, a router that receives a Name Query Response (origi

Configuring NetBIOS over IP8-9Editing NetBIOS ParametersThe following sections show you how to use Site Manager to configure NetBIOS over IP.• Configuri

Configuring IP Services8-101.Click on OK on the Add Circuit Window.The Select Protocols window opens.2. Select IP and NetBIOS from the Select Protocol

Configuring NetBIOS over IP8-113. Click on OK to save your changes and exit the window.Figure 8-4. Edit NetBIOS/IP Global Parameters WindowNetBIOS Glo

Configuring IP Services8-12 Parameter: Enable/Disable Default: Enable Options: Enable | Disable Function: Enables or disables NetBIOS on this router.

Configuring NetBIOS over IP8-13 Parameter: Create MIB Inst for Cached Name Default: Enable Options: Enable | Disable Function: Enables or disables the

Configuring IP Routers and Interfaces2-5Storing Unnumbered Routes in the Routing TableAs it does with routes learned over numbered interfaces, IP stor

Configuring IP Services8-14 Parameter: Name Cache Age Default: 300 seconds Range: Any value that can rapidly age infrequently referenced names out of

Configuring NetBIOS over IP8-15 Parameter: Rebroadcast Packet TTL Default: 5 seconds Range: 1 to 255 seconds Function: Specifies the time-to-live value

Configuring IP Services8-16Figure 8-5. NetBIOS/IP Interface Table2.Select the interface you want to modify.3. Edit the parameters you want to change.4

Configuring NetBIOS over IP8-17 Parameter: Enable/Disable Default: Enable Options: Enable | Disable Function: Enables or disables NetBIOS on this IP i

Configuring IP Services8-18 Parameter: Enable NetBIOS Outbound Broadcasts Default: Enable Options: Enable | Disable Function: Enables or disables outb

Configuring NetBIOS over IP8-19Figure 8-6. NetBIOS/IP Static Entry Table Window2.Select the static entry you want to modify.3. Edit the parameters you

Configuring IP Services8-20 Parameter: Enable Default: Enable Options: Enable | Disable Function: Enables or disables caching of the NetBIOS name you

Configuring NetBIOS over IP8-21Figure 8-7. NBIP Addresses Window2.Enter values for the parameters, using the descriptions following this procedure as

Configuring IP Services8-22 Parameter: NetBIOS Scope ID Default: None Range: A NetBIOS scope identifier Function: Identifies the area of the network acr

9-1 Chapter 9Configuring IP Policies This chapter provides an overview of IP policies and describes the Site Manager windows you use and the parameter

Configuring IP Services2-6Using the Alternate Associated Address OptionThe alternate associated address option ensures that a network on an unnumbered

Configuring IP Services9-2 Figure 9-1. IP Routing Table The flow of routing information between the network, the protocols, and the routing table mana

Configuring IP Policies9-3 Figure 9-2. Accept and Announce Policies 1. The protocol receiving the route consults an accept policy to determine whet

Configuring IP Services9-4 2. The protocol consults an announce policy to determine whether or not to advertise the route to the network. Note: Th

Configuring IP Policies9-5 Configuring Accept Policies To add, edit, or delete an accept policy, begin at the Configuration Manager window and proceed

Configuring IP Services9-6 Use the sections that follow as a guide to setting parameter values. Figure 9-4. BGP-3 Accept IP Policy Filter Configuratio

Configuring IP Policies9-7 • BGP-3-Specific Accept Policy Parameters - page 9-14• BGP-4-Specific Accept Policy Parameters - page 9-17 Common IP Accept

Configuring IP Services9-8 Parameter: Networks Default: An empty list Options: A list of network identifiers. Each entry consists of a network numbe

Configuring IP Policies9-9 Parameter: Route Preference Default: 1 Range: 1 to 16 Function: Assigns a metric value (the higher the number, the great

Configuring IP Services9-10 RIP-Specific Accept Policy Parameters This section shows you how to set RIP-specific accept policy parameters. Parameter:

Configuring IP Policies9-11 Parameter: Apply Subnet Mask Default: Null Options: Null or IP address mask Function: Specifies a mask that will overrid

Configuring IP Routers and Interfaces2-7Specifying a Broadcast AddressBroadcasting occurs when the IP router transmits a single packet to every host o

Configuring IP Services9-12 Parameter: Tag Default: An empty list Options: A list of tag values Function: Specifies OSPF tag values that could be pr

Configuring IP Policies9-13 Parameter: Gateway List Default: An empty list Options: A list of IP addresses Function: Specifies the IP address of one

Configuring IP Services9-14 BGP-3-Specific Accept Policy Parameters This section shows you how to set BGP-3-specific accept policy parameters. Paramet

Configuring IP Policies9-15 Parameter: Peer AS Default: An empty list Options: A list of autonomous system numbers, each ranging from 1 to 65536 Fu

Configuring IP Services9-16 Parameter: Route Origin Default: Any Options: Any | IGP | EGP | IGP or EGP | Incomplete | Incomplete or IGP | Incomplet

Configuring IP Policies9-17 BGP-4-Specific Accept Policy Parameters This section shows you how to set BGP-4-specific accept policy parameters. Paramet

Configuring IP Services9-18 Parameter: Peer AS Default: An empty list Options: A list of autonomous system numbers, each ranging from 1 to 65536 Fu

Configuring IP Policies9-19 Parameter: Route Origin Default: Any Options: Any | IGP | EGP | IGP or EGP | Incomplete | Incomplete or IGP | Incomplet

Configuring IP Services9-20 Parameter: Local Preference Default: 0 Range: 0 to 4294967295 Function: Assigns a local preference value to a route mat

Configuring IP Policies9-21 Parameter: AS Pattern Default: Empty string Range: Any regular expression or empty string Function: Allows AS_PATH patt

Configuring IP Services2-8Configuring a MAC Address for an Adjacent HostAn adjacent host is a device on a locally attached network. This device may or

Configuring IP Services9-22 Figure 9-5. BGP-3 Announce Policy Filters Window

Configuring IP Policies9-23 Figure 9-6. BGP-3 Announce IP Policy Filter Configuration Window IP Announce Policy Parameter Descriptions IP announce pol

Configuring IP Services9-24 • BGP-4-Specific Announce Policy Parameters - page 9-41 Common IP Announce Policy Parameters This section describes how to

Configuring IP Policies9-25 Parameter: Networks Default: An empty list Options: A list of network identifiers. Each identifier consists of a network

Configuring IP Services9-26 Parameter: Rule Precedence Default: 0 Options: A metric value Function: Specifies a metric value to be used to compare th

Configuring IP Policies9-27 Parameter: Advertise Default: An empty list Options: A list of network identifiers Function: Specifies network IDs to includ

Configuring IP Services9-28 Parameter: From RIP Gateway Default: An empty list Options: A list of IP addresses Function: Specifies the addresses of one

Configuring IP Policies9-29 Parameter: From OSPF Router ID Default: An empty list Options: A list of IP addresses Function: Specifies the IDs of one or

Configuring IP Services9-30 Parameter: Received OSPF Tag Default: An empty list Options: A list of tag values Function: Specifies tag values that could

Configuring IP Policies9-31 Parameter: From EGP AS Default: An empty list Options: A list of autonomous system numbers Function: Specifies one or more

Configuring IP Routers and Interfaces2-9For example, in Figure 2-3, the router and Host C are on the same physical network. Both devices have an assig

Configuring IP Services9-32 Parameter: From BGP Peer Default: An empty list Options: A list of IP addresses Function: Specifies the IP address of one o

Configuring IP Policies9-33 Parameter: Received BGP Next Hop Default: An empty list Options: A list of IP addresses Function: Specifies one or more IP

Configuring IP Services9-34 Parameter: Outbound Interfaces Default: An empty list Options: A list of IP addresses Function: Specifies a list of outboun

Configuring IP Policies9-35 Parameter: Type Default: 0 Options: Type 1 | Type 2 | 0 Function: Specifies an OSPF ASE metric type to use in advertisement

Configuring IP Services9-36 Parameter: OSPF Metric Default: 0 Options: 0 or an export metric Function: Specifies an optional OSPF metric to use when ad

Configuring IP Policies9-37 Parameter: EGP Peer List Default: An empty list Options: A list of IP addresses Function: Specifies a list of IP addresses

Configuring IP Services9-38BGP-3-Specific Announce Policy ParametersThis section shows you how to set BGP-3-specific announce policy parameters. Paramet

Configuring IP Policies9-39 Parameter: Outbound Peers Default: An empty list Options: A list of IP numbers Function: Specifies the IP address of one or

Configuring IP Services9-40 Parameter: Origin Default: As Is Options: As Is | IGP | EGP | Incomplete Function: Specifies an Origin attribute override.

Configuring IP Policies9-41BGP-4-Specific Announce Policy ParametersThis section shows you how to set BGP-4-specific announce policy parameters. Paramet

Configuring IP Services2-10In addition to ARP, IP routers support the following address-resolution schemes:• Proxy ARP• Inverse ARP• HP Probe• DDN and

Configuring IP Services9-42 Parameter: Outbound Peers Default: An empty list Options: A list of IP addresses Function: Specifies the IP address of one

Configuring IP Policies9-43 Parameter: Origin Default: As Is Options: As Is | IGP | EGP | Incomplete Function: Specifies an Origin attribute override.

Configuring IP Services9-44 Parameter: Local Preference Override Default: Local Pref Override False Options: False | True Function: Indicates whether

Configuring IP Policies9-45 Parameter: Atomic Default: Automatic Options: Automatic | Force | Ignore Function: Allows control over the Atomic path att

10-1Chapter 10Configuring Import and Export Route FiltersThe following sections describe the procedures you follow to configure import and export route

Configuring IP Services10-2The RIP Import Route Filters List window opens. It lists all RIP import route filters configured on the router. You add, edit

Configuring Import and Export Route Filters10-3 Parameter: Import Address Default: 0.0.0.0 Range: Any IP network address Function: Identifies, by IP ad

Configuring IP Services10-4 Parameter: RIP Gateway Default: 0.0.0.0 Range: Any IP address Function: Identifies, by IP address, the router that is sendi

Configuring Import and Export Route Filters10-5 Parameter: Action Default: Accept Options: Accept | Ignore Function: Specifies whether the route is tra

Configuring IP Routers and Interfaces2-11There are devices that use Proxy ARP to determine a gateway rather than relying on a statically defined defaul

Configuring IP Services10-6 Parameter: Apply Subnet Mask Default: Null Options: Null or IP address mask Function: Specifies a mask that will override t

Configuring Import and Export Route Filters10-7Deleting a RIP Import Route FilterTo delete a RIP import route filter, begin at the RIP Import Route Fil

Configuring IP Services10-85.Click on Done to exit the window.RIP Export Route Filter Parameter DescriptionsThis section describes how to set all RIP

Configuring Import and Export Route Filters10-9 Parameter: From Protocol Default: Any Options: Any | RIP | EGP | OSPF | Direct | Static | BGP-3 Functi

Configuring IP Services10-10 Parameter: Action Default: Propagate Options: Propagate | Ignore | Aggregate Function: Controls the flow of routing inform

Configuring Import and Export Route Filters10-11All RIP export route filter parameters are described in the section “RIP Export Route Filter Parameter

Configuring IP Services10-122.Specify the Import Address, Import Mask, Import Type, and Import Tag parameters.All OSPF import route filter parameters a

Configuring Import and Export Route Filters10-13 Parameter: Import Mask Default: 0.0.0.0 Range: Depends on the address class of the network address Fu

Configuring IP Services10-14 Parameter: Import Tag Default: 1 Range: 1 to 2147483647 Function: Indicates the tag with which this route filter is concer

Configuring Import and Export Route Filters10-15 Parameter: Preference Default: 0 Range: 0 to 16 Function: Assigns a weighted preference value to a ro

Bay Networks, Inc. 4401 Great America Parkway, Santa Clara, CA 950548 Federal Street, Billerica, MA 01821 Bay Networks Software License (continued)

Configuring IP Services2-12We support HP Probe over Ethernet and the following HP Probe messages:• Unsolicited Reply (incoming and outgoing)• Name Req

Configuring IP Services10-161.Click on the import route filter you want to edit.2. Click on Edit.3. Edit those parameters that you want to change.All O

Configuring Import and Export Route Filters10-17All OSPF export route filter parameters are described following these instructions. 3. Click on OK.Site

Configuring IP Services10-18 Parameter: Export Mask Default: None Range: Depends on the address class of the network address Function: Specifies the ra

Configuring Import and Export Route Filters10-19 Parameter: Enable Default: Enable Options: Enable | Disable Function: Enables or disables this export

Configuring IP Services10-20 Parameter: Tag Default: 1 Range: 1 to 2147483647 Function: Sets the tag value for the AS external advertisement that is g

Configuring Import and Export Route Filters10-21All OSPF export route filter parameters are described in “OSPF Export Route Filter Parameter Descriptio

Configuring IP Services10-222.Specify the BGP-3 import route filter configuration parameters.All BGP-3 import route filter configuration parameters are de

Configuring Import and Export Route Filters10-23 Parameter: Import Mask Default: 0.0.0.0 Range: Depends on the address class of the network address Fu

Configuring IP Services10-24 Parameter: Import Peer Address Default: 0.0.0.0 Range: Any IP address Function: Specifies the IP address of the interface

Configuring Import and Export Route Filters10-25 Parameter: Import Action Default: Ignore Options: Accept | Ignore Function: Specifies whether the rout

Configuring IP Routers and Interfaces2-13With endnode support enabled, whenever an IP router receives a packet and determines that the packet’s next h

Configuring IP Services10-26 Parameter: Preference Default: 1 Range: 1 to 16 Function: Assigns a weighted preference value to a route included in the

Configuring Import and Export Route Filters10-27Editing a BGP-3 Import Route FilterYou can edit the Enable, Action, Preference, and BGP-3 Preference p

Configuring IP Services10-28Deleting a BGP-3 Import Route FilterTo delete an import route filter, begin at the BGP-3 Import Route Filters List window a

Configuring Import and Export Route Filters10-29The BGP-3 Export Route Filters List window now lists the export route filter you added.5. Click on Done

Configuring IP Services10-30If you set the Export Address field to 0.0.0.0 and set this parameter to 0.0.0.0, then the filter applies to all routes. If

Configuring Import and Export Route Filters10-31 Parameter: Export Peer Address Default: 0.0.0.0 Range: Any IP address Function: Specifies the IP addre

Configuring IP Services10-32 Parameter: Export Use Inter AS Metric Default: None Options: None | Specified | Originating Function: Specifies whether or

Configuring Import and Export Route Filters10-33 Parameter: Export Neighbor AS Default: 0 Range: 0 to 65535 Function: If the Export Action parameter i

Configuring IP Services10-34Deleting a BGP-3 Export Route FilterTo delete a BGP-3 export route filter, begin at the BGP-3 Export Route Filters List win

Configuring Import and Export Route Filters10-35The EGP Import Route Filters window opens. When you add an import route filter, the Configuration Manage

Configuring IP Services2-14The router can send ARP packets over an interface configured for a Token Ring network. Bay Networks supports both spanning t

Configuring IP Services10-36EGP Import Route Filter Parameter DescriptionsThis section describes how to set all EGP import route filter configuration pa

Configuring Import and Export Route Filters10-37 Parameter: Import Gateway Default: 0.0.0.0 Range: Any IP address Function: Specifies the gateway adver

Configuring IP Services10-38 Parameter: Preference Default: 1 Range: 1 to 15 Function: Assigns a weighted precedence value to a route included in the

Configuring Import and Export Route Filters10-39All EGP parameters are described in “EGP Import Route Filter Parameter Descriptions” on page 10-36.4.

Configuring IP Services10-40If you specified OSPF, then the EGP OSPF Export Route Filters window opens. Specify the Export OSPF Type and Export OSPF Ta

Configuring Import and Export Route Filters10-41If you set the Export Address field to 0.0.0.0 and set this parameter to 0.0.0.0, then the filter applie

Configuring IP Services10-42 Parameter: Export OSPF Type Default: None Options: Type 1 | Type 2 | Internal Function: Specifies the type of routes to wh

Configuring Import and Export Route Filters10-43 Parameter: Enable Default: Enable Options: Enable | Disable Function: Enables or disables this export

Configuring IP Services10-44 Parameter: Metric Default: 0 (0 = the actual route cost as learned) Range: 0 to 255 Function: Assigns an EGP cost to the

A-1Appendix ASite Manager Default SettingsThis appendix lists the default settings for Site Manager. Use the Configuration Manager to edit any of the S

Configuring IP Routers and Interfaces2-15The IP router includes a client and server implementation of TFTP, enabling the router to transmit and receiv

Configuring IP ServicesA-2Routing MIB Table(s) RouteZero Subnet Enable DisableEstimated Networks 0Estimated Hosts 0Enable Default Route for Subnets Di

Site Manager Default SettingsA-3WAN Multicast #1 0WAN Multicast #2 0Slot Mask Slot-mask bit set to 1 (enabling circuitless IP interface support) for e

Configuring IP ServicesA-4Table A-5. IP Static RoutesParameter DefaultEnable This parameter defaults to Enable when you configure the static route.Dest

Site Manager Default SettingsA-5RIPTable A-8. RIPSO Parameters Parameter DefaultEnable Security DisableStrip Security NoneRequire Out Security AllRequ

Configuring IP ServicesA-6IGMPDVMRPTable A-10. IGMP Global Configuration Parameters Parameter DefaultEnable EnableEstimated Groups 20 groupsTable A-11.

Site Manager Default SettingsA-7NetBIOS over IPTable A-12. NetBIOS/IP Global Parameters Parameter DefaultEnable/Disable EnableNetBIOS Name Caching Dis

Configuring IP ServicesA-8BGP ParametersTable A-14. NetBIOS/IP Static Entry Table Parameters Parameter DefaultEnable EnableNetBIOS Scope ID NoneNetBI

Site Manager Default SettingsA-9Table A-16. BGP Peer Parameters Parameter DefaultEnable EnableMin BGP Version 4Max BGP Version 4Peer AS NoneExternal A

Configuring IP ServicesA-10EGP ParametersThis section describes the Site Manager default parameter settings for the Exterior Gateway Protocol (EGP).Ta

Site Manager Default SettingsA-11OSPF ParametersThis section describes the Site Manager default parameter settings for the Open Shortest Path First (O

Configuring IP Services2-16Configuring the Revised IP Security OptionIP routers support the Department of Defense (DoD) Revised IP Security Option (RIP

Configuring IP ServicesA-12Table A-23. OSPF Interface Parameters Parameter DefaultEnable EnableArea ID 0.0.0.0Type NoneRtr Priority 1Transit Delay 1

Site Manager Default SettingsA-13Table A-25. OSPF Range Parameters Parameter DefaultRange Net NoneRange Mask NoneStatus AdvertiseMetric 0

B-1Appendix BRoute Weight Worksheet1. Select one route from the following list:2. Multiply the value associated with the route by the following decima

Configuring IP ServicesB-23.Select one route from the following list:4. Multiply the value associated with the route by the following decimal or hexad

Route Weight WorksheetB-36. Multiply the value associated with the route by the following decimal or hexadecimal value:2097152 x ______ = ____________

Configuring IP ServicesB-48.Add up the values you have calculated.________________________________________________The total is the route weight: _____

C-1Appendix CIP/OSPF ConfigurationThe IP/OSPF configuration in Figure C-1 shows an AS divided into different types of OSPF areas using several types of

Configuring IP ServicesC-2Figure C-1. IP/OSPF ConfigurationFDDIF31.4F31.2F31.3.5 F31.1 F31E21128.10.2.65255.255.255.192128.10.6.0255.255.255.

IP/OSPF ConfigurationC-3The following tables list non-default configuration parameters for Router 1 through Router 6. Parameters that are not shown are

Configuring IP Routers and Interfaces2-17Security Label FormatA RIPSO security label is three or more bytes long and specifies the security classificati

Configuring IP ServicesC-4Table C-2. Area Border Router 2SM Window/Parameter SettingInterface F31IP Configuration/IP Address 128.10.2.2IP Configuration

IP/OSPF ConfigurationC-5Table C-3. Area Border Router 3SM Window/Parameter SettingInterface F31IP Configuration/IP Address 128.10.2.3IP Configuration/M

Configuring IP ServicesC-6Table C-4. Area Border Router 4SM Window/Parameter SettingInterface F31IP Configuration/IP Address 128.10.2.4IP Configuration

IP/OSPF ConfigurationC-7Table C-5. Internal Backbone Router 5SM Window/Parameter SettingInterface F31IP Configuration/IP Address 128.10.2.5IP Configura

Index-1Aaccept policies, configuring, 9-5accept policy parameters, 9-12BGP-3-specific, 9-14BGP-4-specific, 9-17common, 9-7EGP, 9-12OSPF-specific, 9-11RIP-

Index-2AS weights, 5-17best route calculation, 5-18, 5-20defaults, A-8IBGP intra-AS routing, 5-22IBGP transit AS routing, 5-21interaction with OSPF, 5

Index-3announce policy parameters, 9-41BGP-4 parameters, 5-35Blacker Front-End support, 2-24, 2-25, 2-29, 2-30addressing, 2-25, 2-26configuring, 2-89bo

Index-4Enable, 7-15Estimated Routes, 7-17Fragmented MTU Threshold, 7-19Full Update Rate, 7-15Garbage Timeout, 7-17Leaf Timeout, 7-16Neighbor Probe Int

Index-5Import Peer, 10-36import route filter, 10-36 to 10-38Interface, 10-43Metric, 10-44Poll Mode, 6-20Poll Timer, 6-21Preference, 10-38Enable Default

Configuring IP Services2-18How RIPSO Works on the RouterWhen you configure RIPSO on an IP interface, you specify the following conditions:• A range of

Index-6Addr Mask Reply, 2-39Address Resolution, 2-40All Subnet Bcast, 2-40Broadcast Address, 2-38Checksum, 2-42Enable, 2-37Enable Security, 2-49Enet A

Index-7NetBIOS/IP parametersglobal15-Character NetBIOS Name Caching, 8-12Create MIB Inst for Cached Name, 8-13Enable/Disable, 8-12Max Name Cache Entri

Index-8Enable, 4-46Import AS Extern, 4-47Import Summaries, 4-48Range Net, 4-50Stub Metric, 4-48area rangeEnable, 4-53Mask, 4-53Metric, 4-52Range Mask,

Index-9AS Weight Class (accept), 9-16, 9-20Atomic (announce), 9-45BGP-3 Route Preference (accept), 9-16BGP-4 Preference (accept), 9-20EGP Interface Li

Index-10Action, 10-10Enable, 10-9Export Address, 10-8Export Mask, 10-8From Protocol, 10-9Interface, 10-9Rip Metric, 10-10import route filtersAction, 10

Index-11Vvirtual interface, 4-60 to 4-61virtual link, OSPF, 4-11Wweight parameters, 5-48, 5-54weight value, 5-52weight, 1-12World Wide Web, Bay Networ

Configuring IP Routers and Interfaces2-19• Whether datagrams received or transmitted on this interface should have their labels strippedYou also speci

Configuring IP Services2-20Forwarded IP Datagrams When the router receives an IP datagram that needs forwarding on a RIPSO interface, the router compa

Configuring IP Routers and Interfaces2-21RIPSO ExampleThe router in Figure 2-7 has RIPSO configured on all three IP interfaces. The security ranges spe

xxiii About This Guide If you are responsible for configuring and managing Bay Networks routers, you need to read this guide.This guide describes how

Configuring IP Services2-22Defining a Static RouteA static route is a manually configured route that specifies the transmission path a datagram must foll

Configuring IP Routers and Interfaces2-23Configuring Router DiscoveryBefore a host can send IP datagrams beyond its directly attached subnet, the host

Configuring IP Services2-24If IP flushes a route from the routing table, it also removes the route from the forwarding tables, thus ensuring that inval

Configuring IP Routers and Interfaces2-25BFE devices receive authorization and address translation services from an Access Control Center residing on

Configuring IP Services2-26All BFE hosts are members of Class A IP networks. The format of a BFE IP address is as follows:nnnnnnnn.Zpppdddd.ddddddbb.b

Configuring IP Routers and Interfaces2-27Table 2-1. Source Route Bridge Support for Host-Only ModeBridge Configuration ResultBay* ➔ Eth† ➔ Bay OKBay ➔

Configuring IP Services2-28*Bay Networks router with bridge and IP in host-only mode†Ethernet connection‡Token Ring connection**FDDI connection††Bay N

Configuring IP Routers and Interfaces2-29IP over ATMRFC 1577, “Classical IP and ARP over ATM.” is a specification for an administrative entity within a

Configuring IP Services2-30Configuring Host-Only ModeBy default, the router processes all IP packets addressed to itself and forwards all other packets

Configuring IP Routers and Interfaces2-31Editing IP ParametersThis section describes how to edit, or customize, IP parameters. You access all IP param

Configuring IP Servicesxxiv • An overview of IP multicasting services and instructions on editing multicasting parameters• An overview of NetBIOS ser

Configuring IP Services2-32Configuring a Circuit and Adding an IP InterfaceBefore you can add an IP interface to a circuit, you must perform the follow

Configuring IP Routers and Interfaces2-33Figure 2-10. IP Configuration WindowIP Configuration Parameter DescriptionsThis section describes the parameter

Configuring IP Services2-34 Parameter: Subnet Mask Default: None Options: The Configuration Manager automatically calculates an appropriate subnet mask

Configuring IP Routers and Interfaces2-35 Parameter: UnNumbered Assoc Address Default: None Options: Any valid IP address Function: Specifies an addres

Configuring IP Services2-36Figure 2-11. IP Interfaces WindowNote: When you reconfigure an interface in dynamic mode, IP restarts on that interface. Thu

Configuring IP Routers and Interfaces2-37IP Interface Parameter DescriptionsUse the following descriptions to set parameters on the IP Interfaces wind

Configuring IP Services2-38 Parameter: Broadcast Address Default: You specified the broadcast address when you added IP to the circuit. Options: 0.0.0.

Configuring IP Routers and Interfaces2-39 Parameter: MTU Discovery Default: Off Options: On | Off Function: Specifies whether the Reply MTU option (opt

Configuring IP Services2-40 Parameter: All Subnet Bcast Default: Off Options: On | Off Function: Specifies whether or not the IP router floods ASB datag

Configuring IP Routers and Interfaces2-41 Parameter: Proxy Default: Off Options: On | Off Function: Specifies whether this interface uses Proxy ARP to

About This Guidexxv • The BNX Suite includes IP Routing, SNMP Agent, Bay Networks HDLC, PPP, OSPF, EGP, BGP, File-Based Performance Statistics, Fra

Configuring IP Services2-42 Parameter: Checksum Default: On Options: On | Off Function: Specifies whether UDP checksum processing is enabled on this in

Configuring IP Routers and Interfaces2-43 Parameter: TR Endstation Default: Off Options: On | Off Function: Specifies source routing over Token Ring se

Configuring IP Services2-44 Parameter: Enet Arp Encaps Default: ARP Ethernet Options: ARP Ethernet | ARP SNAP | ARP Both | Probe LSAP | ARP Ethernet/P

Configuring IP Routers and Interfaces2-45 Parameter: SMDS Arp Req Address Default: None Options: A complete SMDS E.164 address specified by the SMDS s

Configuring IP Services2-46 Parameter: WAN Multicast #1 Default: 0 Options: Any decimal number Function: Provides a multicast address for this IP inte

Configuring IP Routers and Interfaces2-47 Parameter: Slot Mask Default: Slot-mask bit set to 1 (enabling circuitless IP interface support) for every r

Configuring IP Services2-48 Parameter: Max Forwarding Table Size Default: 128 entries Range: 64-entry minimum; no maximum Function: Specifies the maxim

Configuring IP Routers and Interfaces2-49 Parameter: Enable Security Default: Disable Options: Enable | Disable Function: Specifies whether Revised IP

Configuring IP Services2-50 Parameter: ATM ARP Mode Default: Client Options: Client | Server Function: Specifies whether the router is running as an AT

Configuring IP Routers and Interfaces2-51 Parameter: ARP Server ATM Address User Part Default: None Range: XX00000000000000 to FEFFFFFFFFFFFF Function

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Configuring IP Services2-52Editing IP Global ParametersTo edit IP global parameters, begin at the Configuration Manager window shown in Figure 2-9 and

Configuring IP Routers and Interfaces2-533. Click on OK to exit the window and save your changes when you are finished.Figure 2-12. Edit IP Global Para

Configuring IP Services2-54 Parameter: Enable Default: This parameter defaults to Enable when you add IP support to a circuit. Options: Enable | Disab

Configuring IP Routers and Interfaces2-55 Parameter: ARP Forwarding Default: Forwarding Options: Forwarding | Not Forwarding Function: Specifies how AR

Configuring IP Services2-56 Parameter: Nonlocal ARP Destination Default: Drop Options: Drop | Accept Function: Determines whether IP drops ARP request

Configuring IP Routers and Interfaces2-57 Parameter: RIP Diameter Default: 15 Range: 1 to 127 Function: Specifies the value, or hop count, the Routing

Configuring IP Services2-58 Parameter: Routing MIB Table(s) Default: Route Options: None | Route | Forward | Both Function: Specifies which MIB routin

Configuring IP Routers and Interfaces2-59 Parameter: Zero Subnet Enable Default: Disable Options: Enable | Disable Function: Specifies whether an inter

Configuring IP Services2-60 Parameter: Estimated Hosts Default: 0 Range: 0 to 2147483647 Function: Allows the IP software to preallocate system resour

Configuring IP Routers and Interfaces2-61 Parameter: Maximum Policy Rules Default: 32 Range: Any integer Function: Specifies the maximum number of poli

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Configuring IP Services2-62Configuring a Circuitless IP InterfaceTo configure a circuitless IP interface, begin at the Configuration Manager window shown

Configuring IP Routers and Interfaces2-63Figure 2-13. Select Protocols (Circuitless Interface) WindowConfiguring Static RoutesTo add, edit, or delete s

Configuring IP Services2-642.Edit the parameters. 3. Click on OK to exit the IP Configuration window.Figure 2-14. IP Configuration Window for a Static R

Configuring IP Routers and Interfaces2-654. Click on Done to exit the window.Static Route Parameter DescriptionsUse the following descriptions to set

Configuring IP Services2-66 Parameter: Address Mask Default: None Options: Based on the network class of the IP address you specified at the Destinatio

Configuring IP Routers and Interfaces2-67 Parameter: Next Hop Mask Default: 0.0.0.0 Options: Any valid subnet mask address Function: Specifies the subn

Configuring IP Services2-68Deleting a Static RouteTo delete a static route, begin at the IP Static Routes window and proceed as follows:1. Click on th

Configuring IP Routers and Interfaces2-692. Add, edit, or delete adjacent hosts as described in the following sections.Figure 2-15. IP Adjacent Hosts

Configuring IP Services2-70Figure 2-16. IP Adjacent Host Configuration WindowEditing Adjacent Host ParametersYou can edit the Enable, Next Hop Interfac

Configuring IP Routers and Interfaces2-71Adjacent Host Parameter DescriptionsUse the following descriptions to set parameters on the Adjacent Hosts wi