From: Roger McNeace (rmcneace@terremark.com)
Date: Thu Oct 09 2003 - 11:55:30 GMT-3
The text below was taken directly from the 12.2 BGP doc. I read and re-read
, did some research, but still not sure what this command does. Can someone
give me an explanation of what the two config examples are trying to
accomplish.
http://www.cisco.com/univercd/cc/td/doc/product/software/ios122/122cgcr/fipr
_c/ipcprt2/1cfbgp.htm
The following example shows how to configure BGP to accept routing updates
from 192.1.1.1 only, besides filtering on the prefix length:
router bgp
distribute-list prefix max24 gateway allowlist in
ip prefix-list allowlist seq 5 permit 192.1.1.1/32
The following example shows how to direct the BGP process to filter incoming
updates to the prefix using name1, and match the gateway (next hop) of the
prefix being updated to the prefix list name2, on the Ethernet interface 0:
router bgp 103
distribute-list prefix name1 gateway name2 in ethernet 0.
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