Re: [nsp] BGP as-path help

From: Eric J Merkel (merkel@defnet.com)
Date: Tue Oct 19 1999 - 11:35:08 EDT


At 05:28 PM 10/19/99 +0200, you wrote:

>> neighbor 137.39.2.108 remote-as 701
>> neighbor 137.39.2.108 ebgp-multihop 2
>> neighbor 137.39.2.108 update-source FastEthernet0/0
>> neighbor 137.39.2.108 next-hop-self
>> neighbor 137.39.2.108 route-map SETPATH out
>> neighbor 137.39.2.108 filter-list 10 out
>
>> ip as-path access-list 10 permit ^$
>
>> access-list 1 permit 0.0.0.0
>
>> route-map SETPATH permit 10
>> match ip address 1
>> set as-path prepend 13638 13638
>
> Try deleting the "match ip address" statement.
>
> What you are doing there is: If the incoming route is the default, then you
>prepend twice your AS. If it is not, you are dropping it (by not permitting
>it), so you drop all 65 k routes :)
>
> Besides, UUNet is probably giving you all the routes but not the default.
>
> Deleting the match ip address you are simply prepending unconditionally all
>the routes, which is probably what you want to do.
>

Well actually these are going to UUNET meaning I am prepending to the routes
I am announcing out. I still see all the routes UUNET is giving me but our
routes (for incoming traffic) are not being seen through UUNET. All routes
in the looking glass are going thru Sprint.

I have also tried it without the match clause and that did not work either.
Eric Merkel / MetaLink Technologies, Inc
~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*~*
Email: merkel@metalink.net
Phone: 419-782-3472 X304
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