BGP Communities

From: Anthony Sequeira (terry.francona@gmail.com)
Date: Sun Jan 02 2005 - 00:28:37 GMT-3


I have a router - R7 that is in AS 300. I am sending a route from it
into AS 100 (R5)using the following configuration (only relevant
config shown):

router bgp 300
 neighbor 160.10.5.5 send-community
 neighbor 160.10.5.5 route-map SETCOMM out
!
!
!
ip access-list standard EXPORT
 permit 12.12.12.0 0.0.0.255
!
route-map SETCOMM permit 10
 match ip address EXPORT
 set community no-export
!
route-map SETCOMM permit 20
!

When I look on R5 - I see that the community is set properly to
NO-EXPORT as expected. When I look at the route on the iBGP peers of
R5 - there is no community information shown. And sure enough - the
route is still being advertised to remote Autonomous Systems. What am
I missing about communities here?

Thanks in advance for any assistance.



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