Avaya Configuring IP Exterior Gateway Protocols (BGP and EGP) Manual de usuario descargar pdf (Pagina 51)

Configuring and Customizing IP for BGP

308628-14.00 Rev 00

4-7

Using Site Manager

Enabling ISP Mode on the Router

IP provides an Internet service provider (ISP) mode of operation. In ISP mode, IP

does the following:

• Enables BGP as a soloist. By default, BGP runs as a soloist on all slots

configured with IP interfaces.

• Disables IP forwarding caches. By default, IP maintains a forwarding cache

on each IP interface. IP maintains this table as a cache for routes that are

frequently used to forward data packets that arrive on the interface. However,

if the number of frequently used routes exceeds the size of the forwarding

table, the router continually updates the forwarding cache by removing old

routes and installing new route entries. ISP mode disables all forwarding

caches on all IP interfaces and optimizes the routing table to allow direct

forwarding, avoiding the overhead of cache misses and cache updates. If you

choose ISP mode, you do not have to explicitly disable the forwarding tables

on each interface.

Site Manager Procedure

You do this System responds

1. In the Configuration Manager window,

choose

Protocols

The Protocols menu opens.

2. Choose

. The IP menu opens.

3. Choose

Global

. The Edit IP Global Parameters window

opens.

4. Set the

Multiple Nexthop Calculation

Method

parameter. Click on

Help

or see

the parameter description on page A-49

5. Click on

. Site Manager returns you to the

Configuration Manager window.

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Avaya Configuring IP Exterior Gateway Protocols (BGP and EGP) Manual de usuario Pagina 51