Avaya Configuring IP Services Manual de usuario

Part No. 114065 Rev. AAugust 1996Router Software Version 11.0Site Manager Software Version 5.0Configuring IP Services

x 114065 Rev. ASpecifying the MTU Size ...5-24Configuring OSPF on

Configuring IP Services3-36 114065 Rev. AControlling Notification of a Full IP Accounting TableBy default, IP Accounting sends a log message when the a

Customizing IP Services114065 Rev. A 3-37TFTP runs on top of the User Datagram Protocol (UDP) and uses timeout andretransmission to ensure that data a

Configuring IP Services3-38 114065 Rev. ARIPSO is a feature that allows end systems and intermediate systems (routers) toadd labels to or process secu

Customizing IP Services114065 Rev. A 3-39Security Label FormatA RIPSO security label is three or more bytes long and specifies the securityclassificatio

Configuring IP Services3-40 114065 Rev. A• Octet 3 specifies the security classification levels for the datagrams. Validsecurity classification levels in

Customizing IP Services114065 Rev. A 3-41Inbound IP DatagramsWhen the router receives an IP datagram on a RIPSO interface, it compares thesecurity cla

Configuring IP Services3-42 114065 Rev. AForwarded IP DatagramsWhen the router receives an IP datagram that needs forwarding on a RIPSOinterface, the

Customizing IP Services114065 Rev. A 3-43RIPSO ExampleThe router in Figure 3-7 has RIPSO configured on all three IP interfaces. Thesecurity ranges spec

Configuring IP Services3-44 114065 Rev. AFigure 3-7. RIPSO Network1.1.0.11.1.0.21.2.0.1 1.3.0.11.1.0.1Forward outbounddatagram? YesForward outbou

Customizing IP Services114065 Rev. A 3-45Defining a Static RouteA static route is a manually configured route that specifies the transmission path adatag

114065 Rev. A xiInitiating a Peer-to-Peer Connection ...6-16Negotiating the BGP Ver

Configuring IP Services3-46 114065 Rev. ADefining a Black Hole for a SupernetA router that advertises an aggregate route by using a supernet address to

Customizing IP Services114065 Rev. A 3-47By default, Router Discovery is enabled on each IP interface. You can use SiteManager to select the operating

Configuring IP Services3-48 114065 Rev. AFigure 3-8. Blacker Front End Network ConfigurationBFE devices receive authorization and address translation s

Customizing IP Services114065 Rev. A 3-49zzzzzpdddbbbwhere:All BFE hosts are members of Class A IP networks. The format of a BFE IPaddress is as follo

Configuring IP Services3-50 114065 Rev. A1. Configure an X.25 interface.When you initially configure packet-level parameters for the X.25 interface,make

Customizing IP Services114065 Rev. A 3-51Table 3-3. BFE X.25 Packet-Level Parameter SettingsX.25 Parameter BFE Required SettingEnable EnableNetwork Ad

Configuring IP Services3-52 114065 Rev. AMax Window Size BFE range is 2 to 7. If you specify any other setting thanthe default value configured in the

Customizing IP Services114065 Rev. A 3-53Table 3-4. BFE X.25 Network Service Record Parameter SettingsX.25 Parameter BFE Required SettingEnable Enable

Configuring IP Services3-54 114065 Rev. ACUG Facility Type This parameter is ignored.CUG Number This parameter is ignored.Table 3-4. BFE X.25 Network

114065 Rev. A 4-1Chapter 4Customizing RIP ServicesThis chapter consists of the following sections:• Enabling and Disabling RIP on an Interface -- page

xii 114065 Rev. AForwarding Name Queries over an Unnumbered Interface ...8-6Enabling and Disabling NetBIOS on a Rou

Configuring IP Services4-2 114065 Rev. AEnabling and Disabling RIP on an InterfaceWhen you add RIP to an IP interface, RIP is automatically enabled on

Customizing RIP Services114065 Rev. A 4-3Sending RIP Updates on an InterfaceBy default, RIP supplies RIP updates to neighboring networks on each inter

Configuring IP Services4-4 114065 Rev. ASending Triggered UpdatesA RIP router generates full routing updates at regular intervals. You can alsoconfigur

Customizing RIP Services114065 Rev. A 4-5Specifying a Time-to-Live ValueBy default, RIP inserts a time-to-live (TTL) value of 1 hop into each outbound

Configuring IP Services4-6 114065 Rev. AAuthenticating the Password on a Version 2 UpdateBy default, RIP running in RIP Version 2 mode does not authen

Customizing RIP Services114065 Rev. A 4-7Supplying a Default Route on an InterfaceWhen the routing table does not contain the route to a particular de

Configuring IP Services4-8 114065 Rev. AConfiguring RIP for Equal-Cost Multipath SupportBy default, the IP routing table contains a single “best” RIP r

Customizing RIP Services114065 Rev. A 4-9Configuring a RIP Interface for Dial-Optimized RoutingDial-optimized routing is a method of reducing costs on

Configuring IP Services4-10 114065 Rev. ASpecifying a Timeout PeriodBy default, RIP waits 90 seconds for an update from a network before it considerst

Customizing RIP Services114065 Rev. A 4-11Specifying a Stabilization TimeThe stabilization time is the period that RIP allows itself to learn all rout

114065 Rev. A xiiiIP Configuration Parameters ... A-22IP Interface Parame

114065 Rev. A 5-1Chapter 5Customizing OSPF ServicesOSPF (Open Shortest Path First) is an internal gateway protocol for use in largenetworks. This chap

Configuring IP Services5-2 114065 Rev. A• Configuring OSPF on an IP Interface -- page 5-14Enabling and Disabling OSPF -- page 5-14Configuring an Area ID

Customizing OSPF Services114065 Rev. A 5-3OSPF Concepts and TerminologyOSPF is a link-state protocol. A router running a link-state protocol periodica

Configuring IP Services5-4 114065 Rev. AThe Hello protocol is responsible for ensuring that communication betweenneighbors is bidirectional. Periodica

Customizing OSPF Services114065 Rev. A 5-5OSPF AreasOSPF routers reduce and restrict the amount of internal and external routinginformation that is flo

Configuring IP Services5-6 114065 Rev. AArea Internal RoutersA router with interfaces to networks in one area only is considered to be an areainternal

Customizing OSPF Services114065 Rev. A 5-7In Figure 5-1, for example, routers R1 and R2 are boundary routers that use BGPand EGP to connect the backbo

Configuring IP Services5-8 114065 Rev. A• If you change the topology (for example, if you add an area, combine twoareas, move routers, and so on), you

Customizing OSPF Services114065 Rev. A 5-9Configuring OSPF Global FeaturesOSPF global features affect the way OSPF runs on the router. They apply to al

xiv 114065 Rev. AAppendix CImport and Export Route FiltersRIP ...

Configuring IP Services5-10 114065 Rev. AConfiguring the Soloist and Backup Soloist on a SlotThe OSPF protocol is implemented as a soloist -- that is,

Customizing OSPF Services114065 Rev. A 5-11Using the Holddown Timer to Relieve the CPUThe holddown timer controls how often OSPF performs the calculat

Configuring IP Services5-12 114065 Rev. AMessage ExampleTRACE"Designated Router changed on network :x.x.x.xx.x.x.x ->x.x.x.x"INFO“OSPF en

Customizing OSPF Services114065 Rev. A 5-13Configuring OSPF for Equal-Cost Multipath RoutingBy default, the IP routing table contains a single “best” O

Configuring IP Services5-14 114065 Rev. AConfiguring OSPF on an IP InterfaceThe following sections describe features that you can configure on an OSPFin

Customizing OSPF Services114065 Rev. A 5-15Specifying the Network TypeBy default, OSPF assumes that the interface is attached to a broadcastnetwork.Yo

Configuring IP Services5-16 114065 Rev. AA point-to-multipoint network supports multiple routers in a partial meshconfiguration. (Bay Networks supports

Customizing OSPF Services114065 Rev. A 5-17• The hub of the star topology -- the BCN router in Figure 5-2 -- is configuredwith a point-to-multipoint in

Configuring IP Services5-18 114065 Rev. AIn the case of equal router priority values, the router ID will determine whichrouter will become the designa

Customizing OSPF Services114065 Rev. A 5-19Configuring Interface TimersThe following sections describe the timers that you can set on each OSPFinterfac

114065 Rev. A xvFiguresFigure 1-1. Network and Host Portions of IP Addresses ...1-3Figure 1-2. Internet Segme

Configuring IP Services5-20 114065 Rev. ASetting the Hello IntervalThe hello interval specifies how often the router sends hello messages on theinterfa

Customizing OSPF Services114065 Rev. A 5-21Setting the Dead IntervalThe dead interval is the number of seconds that a router waits to receive a Hellop

Configuring IP Services5-22 114065 Rev. APoll Interval for NBMA NeighborsThe poll interval is the largest number of seconds allowed between Hello pack

Customizing OSPF Services114065 Rev. A 5-23Specifying Metric CostFor OSPF, the best path is the one that offers the least-cost metric.By default, each

Configuring IP Services5-24 114065 Rev. AThere is an optimum cost for each type of network. We suggest the followingvalues for this parameter:Specifyi

Customizing OSPF Services114065 Rev. A 5-25Configuring OSPF on a Circuitless InterfaceIn some configurations, you may want the router’s circuitless inte

Configuring IP Services5-26 114065 Rev. AConfiguring AS External AdvertisementsEach ASE advertisement that a boundary router injects into the AS includ

Customizing OSPF Services114065 Rev. A 5-27Figure 5-4. OSPF ASE RoutesBy default, an OSPF boundary router generates a Type 2 metric for BGP, EGP, orRI

Configuring IP Services5-28 114065 Rev. AUsing the External Route Tag in an ASEAn OSPF AS external route advertisement includes an external route tag

Customizing OSPF Services114065 Rev. A 5-29Figure 5-5. AS External Route TagYou can use Site Manager to select the tag generation method. Site Manager

Configuring IP Services5-30 114065 Rev. AConfiguring Authentication on an InterfaceOSPF provides a measure of security for an area through the use of p

Customizing OSPF Services114065 Rev. A 5-31Figure 5-6. Area Border RouterEach border router in an AS• Receives routing information from its attached a

Configuring IP Services5-32 114065 Rev. ABy definition, a border router has an interface to the backbone and interfaces toone or more other areas. To c

Customizing OSPF Services114065 Rev. A 5-33Figure 5-7. Virtual Link and Transit AreaTo configure an interface to support a virtual link:1. Identify the

Configuring IP Services5-34 114065 Rev. AYou can use Site Manager to perform these operations on an OSPF virtual link.Defining a Range for a Summary Ro

Customizing OSPF Services114065 Rev. A 5-35Assume, for example, that the stub area in Figure 5-1 has been configured toimport no internal or external r

Configuring IP Services5-36 114065 Rev. A• An OSPF accept policy can be used on a router to control which OSPFnon-self-originated external routing inf

114065 Rev. A 6-1Chapter 6Customizing BGP ServicesThis chapter consists of the following sections describing the Bay Networksimplementation of the Bor

Configuring IP Services6-2 114065 Rev. ABGP Concepts and TerminologyBGP is an exterior gateway protocol designed to exchange network reachabilityinfor

Customizing BGP Services114065 Rev. A 6-3An autonomous system can include one or more BGP speakers that provideexternal route information for the netw

114065 Rev. A xviiTablesTable 1-1. Subnet Masks for Class B and Class C Addresses ...1-6Table 1-2. IP Router RFC Suppor

Configuring IP Services6-4 114065 Rev. AFigure 6-2. Transit Autonomous SystemIn Figure 6-2, Autonomous System 20 is the transit AS. It is providinginf

Customizing BGP Services114065 Rev. A 6-5BGP Path AttributesA BGP-3 Update message includes a variable-length sequence of path attributes.Each attribu

Configuring IP Services6-6 114065 Rev. ATable 6-2. BGP-4 Optional Path AttributesAttribute DescriptionMulti-Exit Discriminator Optional attribute used

Customizing BGP Services114065 Rev. A 6-7BGP-4 Local Preference ValuesBGP-4 update messages include a Local Preference attribute that allows an ASbord

Configuring IP Services6-8 114065 Rev. ABGP Implementation NotesThis section provides you with some guidelines that you should follow when youconfigure

Customizing BGP Services114065 Rev. A 6-9Configuring BGP on the RouterThe following sections describe settings that affect the way BGP runs on theroute

Configuring IP Services6-10 114065 Rev. AIdentifying the Local ASEach autonomous system in the internet has a unique AS ID.You can use SiteManager to

Customizing BGP Services114065 Rev. A 6-11Setting the Interval TimerBGP injects external BGP routes into the routing table. The default minimuminterva

Configuring IP Services6-12 114065 Rev. AEnabling Multihop ConnectionsBy default, BGP enforces the one-hop rule for BGP peers -- the remote peer mustb

Customizing BGP Services114065 Rev. A 6-13Configuring BGP as a SoloistBy default, BGP runs on every slot on the router. If you have configured ISPmode,

Configuring IP Services6-14 114065 Rev. AUsing the Circuitless IP Interface for a Peer-to-Peer ConnectionIn configuring a peer-to-peer connection for B

Customizing BGP Services114065 Rev. A 6-15To establish a peer-to-peer connection between Router A and Router B, you must1. Choose a numbered interface

Configuring IP Services6-16 114065 Rev. AInitiating a Peer-to-Peer ConnectionA BGP speaker that wants to initiate peer-to-peer connections periodicall

Customizing BGP Services114065 Rev. A 6-17Negotiating the BGP VersionBGP peers negotiate the version of BGP that they will use to exchange routinginfo

Configuring IP Services6-18 114065 Rev. ASpecifying an Update Interval for the ConnectionOnce a connection is established, the BGP speaker uses one or

Customizing BGP Services114065 Rev. A 6-19Specifying a Holddown TimeThe holddown time is the amount of time either peer will wait for a Keepalive orUp

Configuring IP Services6-20 114065 Rev. AOverriding the Local AS NumberBy default, a BGP speaker that issues an open message to initiate a peer-to-pee

Customizing BGP Services114065 Rev. A 6-21Designing a Route Selection StrategyA BGP speaker must, at times, evaluate and compare different paths to ad

Configuring IP Services6-22 114065 Rev. AConfiguring Routing PoliciesBGP accept and announce policies govern which routes a router uses and whichroutes

Customizing BGP Services114065 Rev. A 6-23Configuring a BGP-4 AS Pattern-Matching PolicyIn the Bay Networks implementation of AS path pattern matching

114065 Rev. A xixAbout This GuideIf you are responsible for configuring and managing Bay Networks™ routers, youneed to read this guide. This guide prov

Configuring IP Services6-24 114065 Rev. AYou can use simplified regular expressions to configure BGP-4 accept andannounce policies for AS pattern matchi

Customizing BGP Services114065 Rev. A 6-25OSPF/BGP InteractionRFC 1403 defines the interaction between BGP and OSPF when OSPF is the IGPwithin an auton

114065 Rev. A 7-1Chapter 7Customizing EGP ServicesThis chapter, which explains how to configure the Exterior Gateway Protocol,contains the following se

Configuring IP Services7-2 114065 Rev. AFigure 7-1. EGP Connection between Two Autonomous SystemsRunning RIPThe Bay Networks implementation of EGP com

Customizing EGP Services114065 Rev. A 7-3An EGP router• Acquires EGP neighbors• Determines neighbor reachability• Exchanges network reachability infor

Configuring IP Services7-4 114065 Rev. AIn the neighbor reachability phase, EGP is responsible for monitoring andmaintaining an established EGP neighb

Customizing EGP Services114065 Rev. A 7-5EGP Implementation NotesThis section provides you with some important guidelines to follow when youconfigure E

Configuring IP Services7-6 114065 Rev. AConfiguring EGP on the RouterThe following sections describe settings that affect the way EGP runs on therouter

Customizing EGP Services114065 Rev. A 7-7Specifying the Neighbor’s AddressYou define the neighbor-to-neighbor relationship by specifying the IP address

ii 114065 Rev. A4401 Great America Parkway 8 Federal StreetSanta Clara, CA 95054 Billerica, MA 01821Copyright © 1988–1996 Bay Networks, Inc.All rights

Configuring IP Servicesxx 114065 Rev. AConventionsangle brackets (< >) Indicate that you choose the text to enter based on thedescription inside

Configuring IP Services7-8 114065 Rev. AEnabling and Disabling the Neighbor RelationshipWhen you establish a neighbor-to-neighbor relationship on an i

Customizing EGP Services114065 Rev. A 7-9Setting Neighbor TimersEGP uses two configurable timers: the hello timer and the poll timer.The hello timer de

114065 Rev. A 8-1Chapter 8Customizing NetBIOS over IPThis chapter consists of the following sections:• NetBIOS Concepts and Terminology -- page 8-2Net

Configuring IP Services8-2 114065 Rev. ANetBIOS Concepts and TerminologyThe Network Basic Input-Output System (NetBIOS) is a session layercommunicatio

Customizing NetBIOS over IP114065 Rev. A 8-3• Use a server’s NetBIOS name to determine the server’s network address. Theapplication issues a Name Quer

Configuring IP Services8-4 114065 Rev. AIf alternate paths exist between different network segments, broadcasting loopscan occur. To prevent such loop

Customizing NetBIOS over IP114065 Rev. A 8-5The server responds to the Name Query Request by issuing a Positive NameQuery Response, containing the IP

Configuring IP Services8-6 114065 Rev. AForwarding Name Queries over an Unnumbered InterfaceNetBIOS cannot be configured directly on an unnumbered inte

Customizing NetBIOS over IP114065 Rev. A 8-7Enabling the Insertion of Record Route OptionThe Insertion of Record Route option prevents rebroadcast pac

About This Guide114065 Rev. A xxiAcronymsAUI Attachment Unit InterfaceBootP Bootstrap ProtocolBRI Basic Rate InterfaceCCITT International Telegraph an

Configuring IP Services8-8 114065 Rev. AEnabling Name Caching on the RouterNetBIOS name caching gives the router the ability to cache the name associa

Customizing NetBIOS over IP114065 Rev. A 8-9You can adjust this value in direct proportion to the total number of server namesexpected to be active du

Configuring IP Services8-10 114065 Rev. ACustomizing a Cache SearchThe mechanism that NetBIOS uses to search for a name in the cache is based on afast

Customizing NetBIOS over IP114065 Rev. A 8-11Configuring NetBIOS on an IP InterfaceNetBIOS software on the router communicates with NetBIOS clients and

Configuring IP Services8-12 114065 Rev. ASupplying a Rebroadcast AddressBy default, NetBIOS uses the IP broadcast address configured for this interface

Customizing NetBIOS over IP114065 Rev. A 8-13Specifying the NetBIOS Station AddressYou can use Site Manager to specify an IP address to associate with

Configuring IP Services8-14 114065 Rev. AAdding a Traffic Filter to a NetBIOS InterfaceIf name caching is enabled, a router that receives a Name Query

114065 Rev. A A-1Appendix ASite Manager ParametersBGP ParametersBGP Configuration ParametersParameter: IdentifierPath: Select BGP on the Select protocol

Configuring IP ServicesA-2 114065 Rev. ABGP Global ParametersParameter: BGP EnablePath: Configuration Manager > Protocols > IP > BGP > Glob

Site Manager Parameters114065 Rev. A A-3Parameter: BGP Intra-ASPath: Configuration Manager > Protocols > IP > BGP > GlobalDefault: EnableOp

Configuring IP Servicesxxii 114065 Rev. AOrdering Bay Networks PublicationsTo purchase additional copies of this document or other Bay Networkspublica

Configuring IP ServicesA-4 114065 Rev. AParameter: BGP Collision DetectPath: Configuration Manager > Protocols > IP > BGP > GlobalDefault:

Site Manager Parameters114065 Rev. A A-5BGP-3 Global ParametersParameter: Dynamic Policy ChangePath: Configuration Manager > Protocols > IP >

Configuring IP ServicesA-6 114065 Rev. ABGP-4 Global ParametersBGP Peer ParametersParameter: EnablePath: Configuration Manager > Protocols > IP &

Site Manager Parameters114065 Rev. A A-7Parameter: Local AddressPath: Configuration Manager > Protocols > IP > BGP > PeersDefault: NoneOpti

Configuring IP ServicesA-8 114065 Rev. AParameter: Max BGP VersionPath: Configuration Manager > Protocols > IP > BGP > PeersDefault: 4Optio

Site Manager Parameters114065 Rev. A A-9Parameter: Connect Retry TimerPath: Configuration Manager > Protocols > IP > BGP > PeersDefault: 12

Configuring IP ServicesA-10 114065 Rev. AParameter: Keepalive TimerPath: Configuration Manager > Protocols > IP > BGP > PeersDefault: 30 se

Site Manager Parameters114065 Rev. A A-11Parameter: Peer Max Update SizePath: Configuration Manager > Protocols > IP > BGP > PeersDefault:

Configuring IP ServicesA-12 114065 Rev. ABGP AS Weight and Weight Class ParametersParameter: ASPath: Configuration Manager > Protocols > IP >

Site Manager Parameters114065 Rev. A A-13Parameter: Weight Value 3Path: Configuration Manager > Protocols > IP > BGP > WeightsDefault: 8Opt

114065 Rev. A xxiiiTechnical Support and Online ServicesTo ensure comprehensive network support to our customers and partnersworldwide, Bay Networks C

Configuring IP ServicesA-14 114065 Rev. AParameter: Weight Value 6Path: Configuration Manager > Protocols > IP > BGP > WeightsDefault: 8Opt

Site Manager Parameters114065 Rev. A A-15Parameter: EnablePath: Configuration Manager > Protocols > IP > BGP > WeightsDefault: EnableOption

Configuring IP ServicesA-16 114065 Rev. ABGP Event Message ParametersParameter: Local IP AddressPath: Configuration Manager > Protocols > IP >

Site Manager Parameters114065 Rev. A A-17Parameter: Message Trace SwitchPath: Configuration Manager > Protocols > IP > BGP > DebugDefault:

Configuring IP ServicesA-18 114065 Rev. AEGP ParametersEGP Global ParametersParameter: EnablePath: Configuration Manager > Protocols > IP > EG

Site Manager Parameters114065 Rev. A A-19EGP Neighbor ParametersParameter: Remote Autonomous System IP AddressPath: Configuration Manager > Protocol

Configuring IP ServicesA-20 114065 Rev. AParameter: EnablePath: Configuration Manager > Protocols > IP > EGP > NeighborsDefault: EnableOpti

Site Manager Parameters114065 Rev. A A-21Parameter: Hello TimerPath: Configuration Manager > Protocols > IP > EGP > NeighborsDefault: 60 se

Configuring IP ServicesA-22 114065 Rev. AIP ParametersIP Configuration ParametersParameter: IP AddressPath: Select IP from the Select Protocols window

Site Manager Parameters114065 Rev. A A-23Parameter: Transmit Bcast AddrPath: Select IP from the Select Protocols window and click on OK.Default: 0.0.0

Configuring IP Servicesxxiv 114065 Rev. ABay Networks Customer ServiceIf you purchased your Bay Networks product from a distributor or authorizedresel

Configuring IP ServicesA-24 114065 Rev. AIP Interface ParametersParameter: EnablePath: Configuration Manager > Protocols > IP > InterfacesDefa

Site Manager Parameters114065 Rev. A A-25Parameter: Broadcast AddressPath: Configuration Manager > Protocols > IP > InterfacesDefault: You spe

Configuring IP ServicesA-26 114065 Rev. AParameter: MTU DiscoveryPath: Configuration Manager > Protocols > IP > InterfacesDefault: OffOptions:

Site Manager Parameters114065 Rev. A A-27Parameter: All Subnet BcastPath: Configuration Manager > Protocols > IP > InterfacesDefault: OffOptio

Configuring IP ServicesA-28 114065 Rev. AParameter: ProxyPath: Configuration Manager > Protocols > IP > InterfacesDefault: OffOptions: On| Off

Site Manager Parameters114065 Rev. A A-29Parameter: ChecksumPath: Configuration Manager > Protocols > IP > InterfacesDefault: OnOptions: On| O

Configuring IP ServicesA-30 114065 Rev. AParameter: TR EndstationPath: Configuration Manager > Protocols > IP > InterfacesDefault: OffOptions:

Site Manager Parameters114065 Rev. A A-31Parameter: Enet Arp EncapsPath: Configuration Manager > Protocols > IP > InterfacesDefault: ARP Ether

Configuring IP ServicesA-32 114065 Rev. AParameter: SMDS Arp Req AddressPath: Configuration Manager > Protocols > IP > InterfacesDefault: The

Site Manager Parameters114065 Rev. A A-33Parameter: WAN Multicast #1Path: Configuration Manager > Protocols > IP > InterfacesDefault: 0Options

Technical Support and Online Services114065 Rev. A xxvBay Networks Information ServicesBay Networks Information Services provide up-to-date support in

Configuring IP ServicesA-34 114065 Rev. AParameter: Slot MaskPath: Configuration Manager > Protocols > IP > InterfacesDefault: Slot-mask bit s

Site Manager Parameters114065 Rev. A A-35Parameter: Max Forwarding Table SizePath: Configuration Manager > Protocols > IP > InterfacesDefault:

Configuring IP ServicesA-36 114065 Rev. AParameter: Enable SecurityPath: Configuration Manager > Protocols > IP > InterfacesDefault: DisableOp

Site Manager Parameters114065 Rev. A A-37Parameter: ATM ARP ModePath: Configuration Manager > Protocols > IP > InterfacesDefault: ClientOption

Configuring IP ServicesA-38 114065 Rev. AParameter: ARP Server ATM Address User PartPath: Configuration Manager > Protocols > IP > InterfacesD

Site Manager Parameters114065 Rev. A A-39IP Global ParametersParameter: EnablePath: Configuration Manager > Protocols > IP > GlobalDefault: Th

Configuring IP ServicesA-40 114065 Rev. AParameter: ARP ForwardingPath: Configuration Manager > Protocols > IP > GlobalDefault: ForwardingOpti

Site Manager Parameters114065 Rev. A A-41Parameter: Nonlocal ARP DestinationPath: Configuration Manager > Protocols > IP > GlobalDefault: Drop

Configuring IP ServicesA-42 114065 Rev. AParameter: RIP DiameterPath: Configuration Manager > Protocols > IP > GlobalDefault: 15Options: 1 to

Site Manager Parameters114065 Rev. A A-43Parameter: Estimated NetworksPath: Configuration Manager > Protocols > IP > GlobalDefault: 0Options:

Configuring IP Servicesxxvi 114065 Rev. ASupport Source CDThis CD-ROM -- sent quarterly to all contracted customers -- is a complete BayNetworks Servi

Configuring IP ServicesA-44 114065 Rev. AParameter: Enable Default Route for SubnetsPath: Configuration Manager > Protocols > IP > GlobalDefau

Site Manager Parameters114065 Rev. A A-45Parameter: RIP Maximum Equal Cost PathsPath: Configuration Manager > Protocols > IP > GlobalDefault:

Configuring IP ServicesA-46 114065 Rev. AIP Accounting ParametersParameter: EnablePath: Configuration Manager > Protocols > IP > GlobalDefault

Site Manager Parameters114065 Rev. A A-47Static Route ParametersParameter: IP Accounting Checkpoint FlagtPath: Configuration Manager > Protocols >

Configuring IP ServicesA-48 114065 Rev. AParameter: Destination IP AddressPath: Configuration Manager > Protocols > IP > Static RoutesDefault:

Site Manager Parameters114065 Rev. A A-49Parameter: CostPath: Configuration Manager > Protocols > IP > Static RoutesDefault: 1Options: 1 to th

Configuring IP ServicesA-50 114065 Rev. AParameter: PreferencePath: Configuration Manager > Protocols > IP > Static RoutesDefault: 16Options:

Site Manager Parameters114065 Rev. A A-51Adjacent Host ParametersParameter: EnablePath: Configuration Manager > Protocols > IP > Adjacent Host

Configuring IP ServicesA-52 114065 Rev. AParameter: Next Hop Interface MaskPath: Configuration Manager > Protocols > IP > Adjacent HostsDefaul

Site Manager Parameters114065 Rev. A A-53TFTP ParametersParameter: Adjacent Host X.121 AddressPath: Configuration Manager > Protocols > IP > A

Technical Support and Online Services114065 Rev. A xxviiInfoFACTSInfoFACTS is the Bay Networks free 24-hour fax-on-demand service. Thisautomated syste

Configuring IP ServicesA-54 114065 Rev. AParameter: Retry Time OutPath: Configuration Manager > Protocols > IP > TFTPDefault: 5 secondsOptions

Site Manager Parameters114065 Rev. A A-55RIPSO ParametersParameter: Enable SecurityPath: Configuration Manager > Protocols > IP > InterfacesDe

Configuring IP ServicesA-56 114065 Rev. AParameter: Require Out SecurityPath: Configuration Manager > Protocols > IP > InterfacesDefault: AllO

Site Manager Parameters114065 Rev. A A-57Parameter: Min LevelPath: Configuration Manager > Protocols > IP > InterfacesDefault: UnclassifiedOpti

Configuring IP ServicesA-58 114065 Rev. AParameter: Must Out AuthorityPath: Configuration Manager > Protocols > IP > InterfacesDefault: No aut

Site Manager Parameters114065 Rev. A A-59Parameter: Must In AuthorityPath: Configuration Manager > Protocols > IP > InterfacesDefault: No auth

Configuring IP ServicesA-60 114065 Rev. AParameter: Implicit LabelPath: Configuration Manager > Protocols > IP > InterfacesDefault: EnableOpti

Site Manager Parameters114065 Rev. A A-61Parameter: Implicit LevelPath: Configuration Manager > Protocols > IP > InterfacesDefault: Unclassifie

Configuring IP ServicesA-62 114065 Rev. AParameter: Default AuthorityPath: Configuration Manager > Protocols > IP > InterfacesDefault: No auth

Site Manager Parameters114065 Rev. A A-63Parameter: Error LabelPath: Configuration Manager > Protocols > IP > InterfacesDefault: EnableOptions

Configuring IP ServicesA-64 114065 Rev. ARouter Discovery ParametersParameter: EnablePath: Configuration Manager > Protocols > IP > Router Dis

Site Manager Parameters114065 Rev. A A-65Parameter: Maximum IntervalPath: Configuration Manager > Protocols > IP > Router DiscoveryDefault: 60

Configuring IP ServicesA-66 114065 Rev. ANetBIOSNetBIOS Global ParametersParameter: Enable/DisablePath: Configuration Manager > Protocols > IP &g

Site Manager Parameters114065 Rev. A A-67Parameter: Create MIB Inst for Cached NamePath: Configuration Manager > Protocols > IP > NetBIOS >

Configuring IP ServicesA-68 114065 Rev. AParameter: Name Cache AgePath: Configuration Manager > Protocols > IP > NetBIOS > GlobalDefault: 3

Site Manager Parameters114065 Rev. A A-69NetBIOS/IP Interface Table ParametersParameter: Rebroadcast Packet TTLPath: Configuration Manager > Protoco

Configuring IP ServicesA-70 114065 Rev. AParameter: NetBIOS Name CachingPath: Configuration Manager > Protocols > IP > NetBIOS >InterfaceDe

Site Manager Parameters114065 Rev. A A-71Static Entry Table ParametersParameter: Rebroadcast AddressPath: Configuration Manager > Protocols > IP

Configuring IP ServicesA-72 114065 Rev. AParameter: NetBIOS Station NamePath: Configuration Manager > Protocols > IP > NetBIOS >Static Name

Site Manager Parameters114065 Rev. A A-73OSPF ParametersOSPF Global ParametersParameter: EnablePath: Configuration Manager > Protocols > IP >

114065 Rev. A 1-1Chapter 1IP Concepts, Terminology, and FeaturesThe following sections introduce concepts and terminology used in this manual:• IP Add

Configuring IP ServicesA-74 114065 Rev. AParameter: AS Boundary RouterPath: Configuration Manager > Protocols > IP > OSPF > GlobalDefault:

Site Manager Parameters114065 Rev. A A-75Parameter: OSPF SlotPath: Configuration Manager > Protocols > IP > OSPF > GlobalDefault: All slots

Configuring IP ServicesA-76 114065 Rev. AParameter: Primary Log MaskPath: Configuration Manager > Protocols > IP > OSPF > GlobalDefault: TR

Site Manager Parameters114065 Rev. A A-77Parameter: Tag Generation MethodPath: Configuration Manager > Protocols > IP > OSPF > GlobalDefaul

Configuring IP ServicesA-78 114065 Rev. AOSPF Interface ParamtersParameter: EnablePath: Configuration Manager > Protocols > IP > OSPF > Int

Site Manager Parameters114065 Rev. A A-79Parameter: TypePath: Configuration Manager > Protocols > IP > OSPF > InterfacesDefault: BroadcastO

Configuring IP ServicesA-80 114065 Rev. AParameter: Transit DelayPath: Configuration Manager > Protocols > IP > OSPF > InterfacesDefault: 1

Site Manager Parameters114065 Rev. A A-81Parameter: Hello IntervalPath: Configuration Manager > Protocols > IP > OSPF > InterfacesDefault:

Configuring IP ServicesA-82 114065 Rev. AParameter: Poll IntervalPath: Configuration Manager > Protocols > IP > OSPF > InterfacesDefault: 1

Site Manager Parameters114065 Rev. A A-83Parameter: PasswordPath: Configuration Manager > Protocols > IP > OSPF > InterfacesDefault: NoneOp

114065 Rev. A iiiBay Networks Software LicenseThis Software License shall govern the licensing of all software provided to licensee by Bay Networks (“

Configuring IP Services1-2 114065 Rev. AIP AddressesAn IP address consists of 32 bits that have the form network.host. The networkportion is a network

Configuring IP ServicesA-84 114065 Rev. ANeighbor Parameters for an NBMA InterfaceParameter: Neighbor’s IP AddressPath: Configuration Manager > Prot

Site Manager Parameters114065 Rev. A A-85OSPF Area ParametersParameter: PriorityPath: Configuration Manager > Protocols > IP > OSPF > Inter

Configuring IP ServicesA-86 114065 Rev. AParameter: Authentication TypePath: Configuration Manager > Protocols > IP > OSPF > AreasDefault:

Site Manager Parameters114065 Rev. A A-87Parameter: Stub MetricPath: Configuration Manager > Protocols > IP > OSPF > AreasDefault: 1Options

Configuring IP ServicesA-88 114065 Rev. AArea Range ParametersParameter: Range NetPath: Configuration Manager > Protocols > IP > OSPF > Are

Site Manager Parameters114065 Rev. A A-89Parameter: EnablePath: Configuration Manager > Protocols > IP > OSPF > Areas > RangesDefault: E

Configuring IP ServicesA-90 114065 Rev. AOSPF Virtual Interface ParametersParameter: MetricPath: Configuration Manager > Protocols > IP > OSPF

Site Manager Parameters114065 Rev. A A-91Parameter: EnablePath: Configuration Manager > Protocols > IP > OSPF > Virtual InterfacesDefault:

Configuring IP ServicesA-92 114065 Rev. AParameter: Retransmit IntervalPath: Configuration Manager > Protocols > IP > OSPF > Virtual Interf

Site Manager Parameters114065 Rev. A A-93Parameter: Dead IntervalPath: Configuration Manager > Protocols > IP > OSPF > Virtual InterfacesDe

IP Concepts, Terminology, and Features114065 Rev. A 1-3Figure 1-1. Network and Host Portions of IP AddressesYou specify IP addresses in dotted decimal

Configuring IP ServicesA-94 114065 Rev. ARIP ParametersParameter: EnablePath: Configuration Manager > Protocols > IP > RIP > InterfacesDefa

Site Manager Parameters114065 Rev. A A-95Parameter: RIP ListenPath: Configuration Manager > Protocols > IP > RIP > InterfacesDefault: Enabl

Configuring IP ServicesA-96 114065 Rev. AParameter: Default Route ListenPath: Configuration Manager > Protocols > IP > RIP > InterfacesDefa

Site Manager Parameters114065 Rev. A A-97Parameter: Time to LivePath Configuration Manager > Protocols > IP > RIP > InterfacesDefault: 1Opt

Configuring IP ServicesA-98 114065 Rev. AParameter: Holddown TimerPath: Configuration Manager > Protocols > IP > RIP > InterfacesDefault: 9

Site Manager Parameters114065 Rev. A A-99Parameter: Triggered UpdatesPath: Configuration Manager > Protocols > IP > RIP > InterfacesDefault

Configuring IP ServicesA-100 114065 Rev. AParameter: Stabilization TimerPath: Configuration Manager > Protocols > IP > RIP > InterfacesDefa

114065 Rev. A B-1Appendix BRouting PoliciesParameter: EnablePath: Configuration Manager > Protocols > IP > Policy Filters > RIP > Accept

Configuring IP ServicesB-2 114065 Rev. AParameter: NamePath: Configuration Manager > Protocols > IP > Policy Filters > RIP > AcceptPolic

Routing Policies114065 Rev. A B-3Parameter: NetworksPath: Configuration Manager > Protocols > IP > Policy Filters > RIP > AcceptPolicies

Configuring IP Services1-4 114065 Rev. ASubnet AddressingThe concept of subnetworks (or subnets) extends the IP addressing scheme.Subnets are two or m

Configuring IP ServicesB-4 114065 Rev. AParameter: ActionPath: Configuration Manager > Protocols > IP > Policy Filters > RIP > Accept Po

Routing Policies114065 Rev. A B-5Parameter: Route PreferencePath: Configuration Manager > Protocols > IP > Policy Filters > RIP > Accept

Configuring IP ServicesB-6 114065 Rev. AParameter: Rule PrecedencPath: Configuration Manager > Protocols > IP > Policy Filters > RIP > A

Routing Policies114065 Rev. A B-7RIP-Specific Accept Policy ParametersParameter: From GatewayPath: Configuration Manager > Protocols > IP > Pol

Configuring IP ServicesB-8 114065 Rev. AOSPF-Specific Accept Policy ParametersParameter: Apply Subnet MaskPath: Configuration Manager > Protocols >

Routing Policies114065 Rev. A B-9EGP-Specific Accept Policy ParametersParameter: TagPath: Configuration Manager > Protocols > IP > Policy Filte

Configuring IP ServicesB-10 114065 Rev. AParameter: AS ListPath: Configuration Manager > Protocols > IP > Policy Filters > EGP > AcceptP

Routing Policies114065 Rev. A B-11BGP-3-Specific Accept Policy ParametersParameter: Injection ListPath: Configuration Manager > Protocols > IP >

Configuring IP ServicesB-12 114065 Rev. AParameter: Peer ASPath: Configuration Manager > Protocols > IP > Policy Filters > BGP3 > Accept

Routing Policies114065 Rev. A B-13Parameter: Route OriginPath: Configuration Manager > Protocols > IP > Policy Filters > BGP3 > AcceptPo

IP Concepts, Terminology, and Features114065 Rev. A 1-5• Assign a value of 1 to each bit in the subnet field.• Assign a value of 0 to each bit in the h

Configuring IP ServicesB-14 114065 Rev. AParameter: Community MatchPath: Configuration Manager > Protocols > IP > Policy Filters > BGP3 >

Routing Policies114065 Rev. A B-15BGP-4-Specific Accept Policy ParametersParameter: Injection ListPath: Configuration Manager > Protocols > IP >

Configuring IP ServicesB-16 114065 Rev. AParameter: Peer ASPath: Configuration Manager > Protocols > IP > Policy Filters > BGP4 > Accept

Routing Policies114065 Rev. A B-17Parameter: Route OriginPath: Configuration Manager > Protocols > IP > Policy Filters > BGP4 > AcceptPo

Configuring IP ServicesB-18 114065 Rev. AParameter: Local PreferencePath: Configuration Manager > Protocols > IP > Policy Filters > BGP4 &g

Routing Policies114065 Rev. A B-19Parameter: AS PatternPath: Configuration Manager > Protocols > IP > Policy Filters > BGP4 > AcceptPoli

Configuring IP ServicesB-20 114065 Rev. AIP Announce Policy ParametersParameter: EnablePath: Configuration Manager > Protocols > IP > Policy F

Routing Policies114065 Rev. A B-21Parameter: NamePath: Configuration Manager > Protocols > IP > Policy Filters > RIP > AnnouncePoliciesP

Configuring IP ServicesB-22 114065 Rev. AParameter: NetworksPath: Configuration Manager > Protocols > IP > Policy Filters > RIP > Announ

Routing Policies114065 Rev. A B-23Parameter: ActionPath: Configuration Manager > Protocols > IP > Policy Filters > RIP > AnnouncePolicie

Configuring IP Services1-6 114065 Rev. ATable 1-1 shows the range of possible subnet masks for Class B and Class Caddresses, along with the number of

Configuring IP ServicesB-24 114065 Rev. AParameter: Rule PrecedencePath: Configuration Manager > Protocols > IP > Policy Filters > RIP >

Routing Policies114065 Rev. A B-25Parameter: Route SourcePath: Configuration Manager > Protocols > IP > Policy Filters > RIP > AnnounceP

Configuring IP ServicesB-26 114065 Rev. AParameter: AdvertisePath: Configuration Manager > Protocols > IP > Policy Filters > RIP > Annou

Routing Policies114065 Rev. A B-27Parameter: From RIP GatewayPath: Configuration Manager > Protocols > IP > Policy Filters > RIP > Annou

Configuring IP ServicesB-28 114065 Rev. AParameter: Received on RIP InterfacePath: Configuration Manager > Protocols > IP > Policy Filters >

Routing Policies114065 Rev. A B-29Parameter: From OSPF Router IDPath: Configuration Manager > Protocols > IP > Policy Filters > RIP > An

Configuring IP ServicesB-30 114065 Rev. AParameter: Received OSPF TypePath: Configuration Manager > Protocols > IP > Policy Filters > RIP &

Routing Policies114065 Rev. A B-31Parameter: Received OSPF TagPath: Configuration Manager > Protocols > IP > Policy Filters > RIP > Anno

Configuring IP ServicesB-32 114065 Rev. AParameter: From EGP PeerPath: Configuration Manager > Protocols > IP > Policy Filters > RIP > A

Routing Policies114065 Rev. A B-33Parameter: From EGP ASPath: Configuration Manager > Protocols > IP > Policy Filters > RIP > AnnouncePo

IP Concepts, Terminology, and Features114065 Rev. A 1-7Supernet AddressingA supernet is a group of networks identified by contiguous network addresses.

Configuring IP ServicesB-34 114065 Rev. AParameter: Received EGP GatewayPath: Configuration Manager > Protocols > IP > Policy Filters > RIP

Routing Policies114065 Rev. A B-35Parameter: From BGP PeerPath: Configuration Manager > Protocols > IP > Policy Filters > RIP > Announce

Configuring IP ServicesB-36 114065 Rev. AParameter: From BGP ASPath: Configuration Manager > Protocols > IP > Policy Filters > RIP > Ann

Routing Policies114065 Rev. A B-37Parameter: Received BGP Next HopPath: Configuration Manager > Protocols > IP > Policy Filters > RIP >

Configuring IP ServicesB-38 114065 Rev. ARIP-Specific Announce Policy ParametersParameter: External Route SourcePath: Configuration Manager > Protoco

Routing Policies114065 Rev. A B-39OSPF-Specific Announce Policy ParametersParameter: RIP MetricPath: Configuration Manager > Protocols > IP > P

Configuring IP ServicesB-40 114065 Rev. AParameter: TagPath: Configuration Manager > Protocols > IP > Policy Filters > OSPF >Announce Po

Routing Policies114065 Rev. A B-41EGP-Specific Announce Policy ParametersParameter: External Route SourcePath: Configuration Manager > Protocols >

Configuring IP ServicesB-42 114065 Rev. AParameter: EGP Interface ListPath: Configuration Manager > Protocols > IP > Policy Filters > EGP

Routing Policies114065 Rev. A B-43BGP-3-Specific Announce Policy ParametersParameter: External Route SourcePath: Configuration Manager > Protocols &g

Configuring IP Services1-8 114065 Rev. AClassless Interdomain RoutingClassless interdomain routing (CIDR) is an addressing scheme that employssupernet

Configuring IP ServicesB-44 114065 Rev. AParameter: Outbound PeersPath: Configuration Manager > Protocols > IP > Policy Filters > BGP3 >

Routing Policies114065 Rev. A B-45Parameter: Specific Inter-AS MetricPath: Configuration Manager > Protocols > IP > Policy Filters > BGP3 &

Configuring IP ServicesB-46 114065 Rev. AParameter: Next HopPath: Configuration Manager > Protocols > IP > Policy Filters > BGP3 >Annou

Routing Policies114065 Rev. A B-47BGP-4-Specific Announce Policy ParametersParameter: External Route SourcePath: Configuration Manager > Protocols &g

Configuring IP ServicesB-48 114065 Rev. AParameter: Outbound PeersPath: Configuration Manager > Protocols > IP > Policy Filters > BGP4 >

Routing Policies114065 Rev. A B-49Parameter: Multi-Exit Discriminator ValuePath: Configuration Manager > Protocols > IP > Policy Filters >

Configuring IP ServicesB-50 114065 Rev. AParameter: AS PathPath: Configuration Manager > Protocols > IP > Policy Filters > BGP4 > Annou

Routing Policies114065 Rev. A B-51Parameter: Local Preference ValuePath: Configuration Manager > Protocols > IP > Policy Filters > BGP4 &g

Configuring IP ServicesB-52 114065 Rev. AParameter: AS PatternPath: Configuration Manager > Protocols > IP > Policy Filters > BGP4 > An

114065 Rev. A C-1Appendix CImport and Export Route FiltersRIPRIP Import FiltersParameter: Import AddressPath: Configuration Manager > Protocols >

IP Concepts, Terminology, and Features114065 Rev. A 1-9Figure 1-2. Internet Segmented into Three Autonomous SystemsRouting Information Protocol (RIP)T

Configuring IP ServicesC-2 114065 Rev. AParameter: Import MaskPath: Configuration Manager > Protocols > IP > Route Filters > RIP > Impor

Import and Export Route Filters114065 Rev. A C-3Parameter: InterfacePath: Configuration Manager > Protocols > IP > Route Filters > RIP >

Configuring IP ServicesC-4 114065 Rev. AParameter: PreferencePath: Configuration Manager > Protocols > IP > Route Filters > RIP > Import

Import and Export Route Filters114065 Rev. A C-5RIP Export FiltersParameter: Apply Subnet MaskPath: Configuration Manager > Protocols > IP > R

Configuring IP ServicesC-6 114065 Rev. AParameter: Export MaskPath: Configuration Manager > Protocols > IP > Route Filters > RIP > Expor

Import and Export Route Filters114065 Rev. A C-7Parameter: InterfacePath: Configuration Manager > Protocols > IP > Route Filters > RIP >

Configuring IP ServicesC-8 114065 Rev. AOSPF Route FiltersOSPF Import FiltersParameter: RIP MetricPath: Configuration Manager > Protocols > IP &g

Import and Export Route Filters114065 Rev. A C-9OSPF Export FiltersParameter: PreferencePath: Configuration Manager > Protocols > IP > Route F

Configuring IP ServicesC-10 114065 Rev. AParameter: Export MaskPath: Configuration Manager > Protocols > IP > Route Filters > OSPF > Ex

Import and Export Route Filters114065 Rev. A C-11Parameter: EnablePath: Configuration Manager > Protocols > IP > Route Filters > OSPF >

Configuring IP Services1-10 114065 Rev. AOpen Shortest Path First (OSPF) ProtocolThe Open Shortest Path First (OSPF) protocol is an interior gateway p

Configuring IP ServicesC-12 114065 Rev. AParameter: TagPath: Configuration Manager > Protocols > IP > Route Filters > OSPF > ExportFilt

Import and Export Route Filters114065 Rev. A C-13BGP-3BGP-3 Import FiltersParameter: Import AddressPath: Configuration Manager > Protocols > IP &

Configuring IP ServicesC-14 114065 Rev. AParameter: Import Peer ASPath: Configuration Manager > Protocols > IP > Route Filters > BGP3 >

Import and Export Route Filters114065 Rev. A C-15Parameter: Import Route OriginPath: Configuration Manager > Protocols > IP > Route Filters &g

Configuring IP ServicesC-16 114065 Rev. AParameter: PreferencePath: Configuration Manager > Protocols > IP > Route Filters > BGP3 > Impo

Import and Export Route Filters114065 Rev. A C-17BGP-3 Export FiltersParameter: Export AddressPath: Configuration Manager > Protocols > IP > R

Configuring IP ServicesC-18 114065 Rev. AParameter: Export from ProtocolPath: Configuration Manager > Protocols > IP > Route Filters > BGP3

Import and Export Route Filters114065 Rev. A C-19Parameter: Export EnablePath: Configuration Manager > Protocols > IP > Route Filters > BGP

Configuring IP ServicesC-20 114065 Rev. AParameter: Export OriginPath: Configuration Manager > Protocols > IP > Route Filters > BGP3 > E

Import and Export Route Filters114065 Rev. A C-21EGPEGP Import FiltersParameter: Import AddressPath: Configuration Manager > Protocols > IP >

IP Concepts, Terminology, and Features114065 Rev. A 1-11Routers establish EGP neighbor relationships in order to periodically exchangereliable network

Configuring IP ServicesC-22 114065 Rev. AParameter: Import Autonomous SystemPath: Configuration Manager > Protocols > IP > Route Filters >

Import and Export Route Filters114065 Rev. A C-23Parameter: ActionPath: Configuration Manager > Protocols > IP > Route Filters > EGP > I

Configuring IP ServicesC-24 114065 Rev. AEGP Export FiltersParameter: Export AddressPath: Configuration Manager > Protocols > IP > Route Filte

Import and Export Route Filters114065 Rev. A C-25Parameter: Export From ProtocolPath: Configuration Manager > Protocols > IP > Route Filters &

Configuring IP ServicesC-26 114065 Rev. AParameter: Export OSPF TagPath: Configuration Manager > Protocols > IP > Route Filters > EGP >

Import and Export Route Filters114065 Rev. A C-27Parameter: InterfacePath: Configuration Manager > Protocols > IP > Route Filters > EGP >

114065 Rev. A D-1Appendix DRoute Weight Worksheet1. Select one route from the following list:2. Multiply the value associated with the route by the fo

Configuring IP ServicesD-2 114065 Rev. A3. Select one route from the following list:4. Multiply the value associated with the route by the following d

Route Weight Worksheet114065 Rev. A D-36. Multiply the value associated with the route by the following decimal orhexadecimal value:2097152 x ______ =

iv 114065 Rev. ABay Networks Software License(continued)9. Licensee shall not reverse assemble, reverse compile, or in any way reverse engineer the So

Configuring IP Services1-12 114065 Rev. AAppendix D contains a worksheet that you can you use to calculate route weightsin your configuration.Route-wei

Configuring IP ServicesD-4 114065 Rev. A8. Add up the values you have calculated.________________________________________________The total is the rout

114065 Rev. A E-1Appendix EIP/OSPF ConfigurationThe IP/OSPF configuration in Figure E-1 shows an AS divided into differenttypes of OSPF areas using seve

Configuring IP ServicesE-2 114065 Rev. AFigure E-1. IP/OSPF ConfigurationFDDIF31.4F31.2F31.3.5 F31.1 F31E21128.10.2.65255.255.255.192128.10.6.0255.25

IP/OSPF Configuration114065 Rev. A E-3The following tables list non-default configuration parameters for Router 1through Router 6. Parameters that are

Configuring IP ServicesE-4 114065 Rev. ATable E-2. Area Border Router 2SM Window/Parameter SettingInterface F31IP Configuration/IP Address 128.10.2.2IP

IP/OSPF Configuration114065 Rev. A E-5Table E-3. Area Border Router 3SM Window/Parameter SettingInterface F31IP Configuration/IP Address 128.10.2.3IP C

Configuring IP ServicesE-6 114065 Rev. ATable E-4. Area Border Router 4SM Window/Parameter SettingInterface F31IP Configuration/IP Address 128.10.2.4IP

IP/OSPF Configuration114065 Rev. A E-7Table E-5. Internal Backbone Router 5SM Window/Parameter SettingInterface F31IP Configuration/IP Address 128.10.2

114065 Rev. A Index-1AAddress Resolution Protocolfunction of, 3-27HP Probe, 3-29Inverse ARP, 3-29proxy ARP, 3-31X.25 DDN and PDN, 3-29adjacent hosts,

IP Concepts, Terminology, and Features114065 Rev. A 1-13IP Routing Policies and FiltersThe IP router allows you to control the flow of routing data to

Configuring IP ServicesIndex-2 114065 Rev. AExport Peer AS, C-18Export Use Inter AS Metric, C-19Import Address, C-13Import Mask, C-13Import Peer Addre

Index114065 Rev. A Index-3HHP Probe, definition of, 3-29IIBGP (interior BGP), 6-3implementation notesEGP, 7-5OSPF, 5-7InfoFACTS service, xxviiinterface

Configuring IP ServicesIndex-4 114065 Rev. AMust In Authority, A-59Must Out Authority, A-58Require In Security, A-56Require Out Security, A-56Strip Se

Index114065 Rev. A Index-5area rangeEnable, A-89Mask, A-89Metric, A-90Range Mask, A-88Range Net, A-88Status, A-89export route filtersAction, C-11Auto T

Configuring IP ServicesIndex-6 114065 Rev. AEGP Peer List (announce), B-41Enable (accept), B-1Enable (announce), B-20External Route Source (announce),

Index114065 Rev. A Index-7RIP Listen, A-95RIP Mode, A-98RIP Supply, A-94Time to Live, A-97Timeout Timer, A-97Triggered Update, A-99RIPSOexample of, 3-

Configuring IP Services1-14 114065 Rev. AFigure 1-3. IP Routing TableThe flow of routing information between the network, the protocols, and therouting

IP Concepts, Terminology, and Features114065 Rev. A 1-15Figure 1-4. Accept and Announce Policies1. The protocol receiving the route consults an accept

Configuring IP Services1-16 114065 Rev. A2. The protocol consults an announce policy to determine whether or not toadvertise the route to the network.

IP Concepts, Terminology, and Features114065 Rev. A 1-17IP Traffic FiltersA traffic filter enables the router to selectively relay or drop an inbound pac

Configuring IP Services1-18 114065 Rev. A1188 IP over FDDI networks1209 IP over SDMS1256 ICMP Router Discovery Messages1267 BGP-31293 Inverse ARP over

114065 Rev. A 2-1Chapter 2Starting IP ServicesThe following sections show you how to perform a basic configuration -- that is, aconfiguration using all

Configuring IP Services2-2 114065 Rev. A• Starting NetBIOS over IP -- page 2-13Adding NetBIOS to an IP Interface -- page 2-13Deleting NetBIOS from an

Starting IP Services114065 Rev. A 2-3Starting IPBefore you can select a protocol to run on the router, you must configure a circuitthat the protocol ca

114065 Rev. A vContentsConfiguring IP ServicesAbout This GuideBefore You Begin ...

Configuring IP Services2-4 114065 Rev. A3. Click on OK.Deleting IP from an InterfaceTo delete IP from an interface on which it is currently configured,

Starting IP Services114065 Rev. A 2-5Starting RIPBefore you can select a protocol to run on the router, you must configure a circuitthat the protocol c

Configuring IP Services2-6 114065 Rev. ADeleting RIP from An IP InterfaceTo delete RIP from an interface on which it is currently configured, begin at

Starting IP Services114065 Rev. A 2-7Starting OSPFBefore you can select a protocol to run on the router, you must configure a circuitthat the protocol

Configuring IP Services2-8 114065 Rev. AAdding OSPF to an IP InterfaceTo add OSPF to an IP interface, begin at the Configuration Manager window andproc

Starting IP Services114065 Rev. A 2-9Starting BGPBefore you can select a protocol to run on the router, you must configure a circuitthat the protocol c

Configuring IP Services2-10 114065 Rev. A6. Supply the following information:• IP address of the remote peer. There is no default for this parameter.

Starting IP Services114065 Rev. A 2-11Deleting BGP-3 and BGP-4 from the RouterYou can delete BGP-3 from all router circuits on which it is currently e

Configuring IP Services2-12 114065 Rev. AStarting EGPBefore you can select a protocol to run on the router, you must configure a circuitthat the protoc

Starting IP Services114065 Rev. A 2-13Customizing EGPThe instructions in this chapter show you how to start EGP using all default valuesand settings.F

vi 114065 Rev. ARoute Preferences ...1-11Route We

Configuring IP Services2-14 114065 Rev. ADeleting NetBIOS from an IP InterfaceTo delete NetBIOS from an interface on which it is currently configured,

Starting IP Services114065 Rev. A 2-15Using the Circuitless IP InterfaceA circuitless IP interface has an IP address that is not mapped to a specific c

Configuring IP Services2-16 114065 Rev. AAdding OSPF and BGP to the Circuitless InterfaceOnce you have created a circuitless IP interface on the route

Starting IP Services114065 Rev. A 2-17Since all traffic over an unnumbered interface uses broadcast addressing at thelink layer, neither an adjacent ho

Configuring IP Services2-18 114065 Rev. AThe routing-table entry for a route learned over an unnumbered interface containsthe following values:Using t

114065 Rev. A 3-1Chapter 3Customizing IP ServicesThis chapter consists of the following sections:• Configuring IP on the Router -- page 3-3Configuring t

Configuring IP Services3-2 114065 Rev. A• Configuring an IP Interface -- page 3-13Configuring a Multinet Interface -- page 3-15Specifying a Broadcast Ad

Customizing IP Services114065 Rev. A 3-3Configuring IP on the RouterWhen you add IP to the router, IP is automatically enabled with a set of defaultcha

Configuring IP Services3-4 114065 Rev. AConfiguring the Router for Host-Only ModeBy default, IP forwards all packets that are not addressed to itself.

Customizing IP Services114065 Rev. A 3-5A more complex configuration is expressed assource device > medium > intermediate device > medium

114065 Rev. A viiChapter 3Customizing IP ServicesConfiguring IP on the Router ...

Configuring IP Services3-6 114065 Rev. A*. Bay Networks router with bridge and IP in host-only mode†. Ethernet connection‡. Token Ring connection**. F

Customizing IP Services114065 Rev. A 3-7*. Bay Networks router with bridge and IP in host-only mode†. Ethernet connection‡. Token Ring connection**. F

Configuring IP Services3-8 114065 Rev. ASetting the Time-to-Live Value on a Source PacketEach IP data packet includes a time-to-live (TTL) value. The

Customizing IP Services114065 Rev. A 3-9Allowing an All-Zero or All-One Subnet AddressBy default, IP considers an interface with an address whose subn

Configuring IP Services3-10 114065 Rev. AUsing a Default Route for an Unknown SubnetBy default, IP drops packets addressed to an unknown subnet and re

Customizing IP Services114065 Rev. A 3-11Enabling Equal-Cost Multipath SupportIP equal-cost multipath support is a load-balancing feature that allows

Configuring IP Services3-12 114065 Rev. AEnabling ISP Mode on the RouterIP provides certain features designed for use by internet service providers (I

Customizing IP Services114065 Rev. A 3-13Configuring an IP InterfaceAn IP network interface consists of a physical circuit configured with theappropriat

Configuring IP Services3-14 114065 Rev. AYou associate a network with an interface by assigning the network’s unique IPaddress to the circuit on which

Customizing IP Services114065 Rev. A 3-15Configuring a Multinet InterfaceThe multinet capability allows you to assign multiple IP network/subnet addres

viii 114065 Rev. ADefining an Adjacent Host ...3-33Configuring

Configuring IP Services3-16 114065 Rev. ASpecifying a Broadcast Address for an InterfaceIn broadcasting, the IP router transmits a single packet to ev

Customizing IP Services114065 Rev. A 3-17Specifying the Cost of an InterfaceEach IP interface has an assigned cost. The interface cost is added to rou

Configuring IP Services3-18 114065 Rev. AEnabling MTU Discovery on an InterfaceA Probe MTU is a request for the maximum transmission unit (MTU) size u

Customizing IP Services114065 Rev. A 3-19Configuring ICMP Features on an InterfaceIP routers and hosts exchange control messages defined by the Internet

Configuring IP Services3-20 114065 Rev. AEnabling All-Subnet Broadcasting on an InterfaceAn all-subnet broadcast (ASB) datagram has a destination addr

Customizing IP Services114065 Rev. A 3-21Disabling UDP Checksum Processing on the InterfaceBy default, UDP checksum processing is enabled on this inte

Configuring IP Services3-22 114065 Rev. AEnabling Source Routing over a Token Ring NetworkThe IP router can route over Token Ring (TR) networks that c

Customizing IP Services114065 Rev. A 3-23Figure 3-3. IP Routers Source Routing across a Token Ring NetworkThe router can send ARP packets over an inte

Configuring IP Services3-24 114065 Rev. AConfiguring an SMDS AddressBy default, if the interface is connected to an SMDS network, IP uses theSMDS-config

Customizing IP Services114065 Rev. A 3-25Specifying the Maximum Size of the Forwarding TableTo keep to a minimum the amount of time it spends looking

114065 Rev. A ixSpecifying a Timeout Period ...4-10Specifying a Holddow

Configuring IP Services3-26 114065 Rev. AYou can use Site Manager to control the number of destinations that are cached inthe forwarding table on this

Customizing IP Services114065 Rev. A 3-27Configuring Address ResolutionThe IP router needs both a physical address and an IP address to transmit adatag

Configuring IP Services3-28 114065 Rev. AIn Figure 3-4, the router wants to send a packet to Host C but knows only Host C’sIP address. The router uses

Customizing IP Services114065 Rev. A 3-29Selecting an Address Resolution Scheme for an InterfaceIn addition to ARP, IP supports Inverse ARP, HP Probe,

Configuring IP Services3-30 114065 Rev. ABy default, ARP is enabled on the interface. Use Site Manager to specify any ofthe following supported addres

Customizing IP Services114065 Rev. A 3-31Enabling Proxy ARP on an InterfaceProxy ARP allows a router to answer a local ARP request for a remotedestina

Configuring IP Services3-32 114065 Rev. AWith Proxy ARP enabled, the router will respond with an ARP reply if there is avalid route (that is, if the r

Customizing IP Services114065 Rev. A 3-33A host entry is timed out (deleted) if the IP router sends no traffic destined for thathost within the specifie

Configuring IP Services3-34 114065 Rev. ASite Manager: Enable parameter: page A-51Site Manager: IP Adjacent Host Address parameter: page A-51Site Mana

Customizing IP Services114065 Rev. A 3-35Configuring IP Accounting on a Frame Relay InterfaceIP Accounting is a mechanism for counting transit data pac