Avaya Configuring IP Exterior Gateway Protocols (BGP and EGP) Bedienungsanleitung PDF herunterladen (Seite 43)

Starting BGP and EGP Services with Site Manager

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• You can add BGP to a circuitless interface.

• You must assign a unique IP address and subnetwork number to the circuitless

IP interface.

•You cannot configure a circuitless IP interface in nonforwarding mode.

For information about using a circuitless interface for a BGP peer-to-peer session,

see “Defining a Peer-to-Peer Session” on page 6-2

Configuring an Unnumbered IP Interface

IP lets you configure an interface on a point-to-point connection without using an

IP address. Such an interface is called an unnumbered interface. Point-to-point

connections using unnumbered interfaces can be configured to advertise IBGP

and static routes.

You associate each unnumbered interface with the IP address of any numbered

interface on the router, including the circuitless interface. The router can support

multiple unnumbered interfaces, and multiple unnumbered interfaces can be

associated with the same IP address.

Because all traffic over an unnumbered interface uses broadcast addressing at the

link layer, neither an adjacent host specification nor address resolution is required.

Using BGP Peers with an Unnumbered Interface

BGP peers cannot be configured directly on an unnumbered interface.

For information about using Site Manager to configure a BGP peer-to-peer

session on routers connected through unnumbered interfaces, see “Configuring

Peers over an Unnumbered Point-to-Point Link” on page 6-19.

As with routes learned over numbered interfaces, IP stores each route learned over

an unnumbered interface in the routing table.

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Avaya Configuring IP Exterior Gateway Protocols (BGP and EGP) Bedienungsanleitung Seite 43