From: Kian Wah Lai (kian_wah@qala.com.sg)
Date: Thu Nov 04 2004 - 11:31:49 GMT-3
don't forget the deny any at the end of the prefix list :)
Regards,
Kian Wah
3 routers and one PIX rental at SGD2/hr
http://rack.sgcug.org/
ccie2be wrote:
>Hi guys,
>
>I'm trying to filter an aggregate by using a neighbor x.x.x.x prefix-list
>statement. But, it seems like it's not working as expected. So far, I've
>been unable to figure out what I'm doing wrong.
>
>Essentially, the task requirement is to advertise an aggregate to some
>neighbors, but not to other neighbors. And, with the prefix filter I want to
>filter just the aggregate - nothing more and nothing less.
>
>Here's the config:
>******************************
>ip prefix-list AGG deny 129.3.0.0/16
>
>router bgp 200
>aggregate-address 129.3.0.0 255.255.0.0
>
>neighbor x.x.x.x prefix-list AGG out
>
>
>*******************************
>
>It seems simple enough but after configuring this, the bgp tables are missing
>much more than just the AGGregate.
>
>I also tried using this prefix:
>
>ip prefix-list AGG permit 129.3.0.0/16 but that was worse.
>
>Can anyone tell me how I'm screwing up?
>
>TIA, Tim
>
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