Avaya Configuring IP Exterior Gateway Protocols (BGP and EGP) Uživatelský manuál stáhnout pdf (Strana 64)

Configuring IP Exterior Gateway Protocols (BGP and EGP)

3-20

308628-15.0 Rev 00

Using Site Manager

To enable or disable black hole punching, complete the following steps:

Disabling and Reenabling the BGP-4 MED Attribute

By default, BGP-4 considers the multiexit discriminator (MED) path attribute in

the route selection process (see Table 1-3 on page 1-10

You can use the BCC or Site Manager to configure BGP-4 so that it disregards the

MED attribute in the route selection process.

Using the BCC

To configure BGP-4 to disregard the MED attribute in the route selection process,

go to the BGP prompt (for example,

box; ip; /jointfilesconvert/97454/bgp

) and enter:

med-comparison

state>

state

is either

enabled

(default) or

disabled

For example, the following command causes BGP-4 to disregard the MED

attribute in an update when selecting a route:

/jointfilesconvert/97454/bgp#

med-comparison disabled

/jointfilesconvert/97454/bgp#

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

Black Hole Routes

parameter.

Click on

Help

or see the parameter

description on page A-8

6. Click on

. You return to the Configuration Manager

window.

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