Avaya Configuring IP Exterior Gateway Protocols (BGP and EGP) Instrukcja Użytkownika Pobierz pdf (Strona 59)

Configuring Global BGP Parameters

308628-15.0 Rev 00

3-15

Disabling and Reenabling Dynamic Policy Configuration

By default, BGP reconfigures IP policies dynamically. This means that if you

modify a policy, BGP dynamically reevaluates all affected routes in light of the

modified policy. BGP then sends the appropriate withdraw or update message to

the affected peers. BGP keeps track of the routes sent to each peer, allowing for

precise determination of which routes to send and which to withdraw.

If you modify an IP policy with this feature disabled, BGP restarts all BGP

connections.

You can use the following Site Manager procedure to disable and reenable

dynamic policy configuration:

Note:

There is no advantage to disabling dynamic policy configuration.

Disabling this parameter will adversely affect BGP protocol operation

overhead and network stability.

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

BGP

. The BGP menu opens.

4. Choose

BGP Global

. The Edit BGP Global Parameters window

opens.

5. Set the

BGP Dynamic Policy Change

Support

parameter. Click on

Help

or see

the parameter description on page A-7

6. Click on

. You return to the Configuration Manager

window.

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Avaya Configuring IP Exterior Gateway Protocols (BGP and EGP) Instrukcja Użytkownika Strona 59