
Configuring and Customizing BGP
308628-14.00 Rev 00
5-13
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 the 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. There is no advantage to disabling dynamic policy configuration.
Disabling this parameter will significantly impact BGP protocol operation
overhead and network stability.
You can use the following Site Manager procedure to disable and reenable
dynamic policy configuration:
Site Manager Procedure
You do this System responds
1. In the Configuration Manager window,
choose
Protocols
.
The Protocols menu opens.
2. Choose
IP
. 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-6
.
6. Click on
OK
. Site Manager returns you to the
Configuration Manager window.
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