From: Peter Kingston (cciekingston@tasmail.com)
Date: Thu Dec 05 2002 - 20:23:12 GMT-3
I am under the same impression, try using local preferences to manipulate
routing policies within an IBGP.
Regards,
Peter Kingston
----- Original Message -----
From: "MOLINA, MARTIN J (PBI)" <mm1343@sbc.com>
To: "'Michael Todd'" <michaeldtodd@comcast.net>; <ccielab@groupstudy.com>
Sent: Friday, December 06, 2002 9:23 AM
Subject: RE: Weird AS prepend problem
> I'm pretty sure you can only prepend to neighbors in another AS dude ! R2
to
> R5 would work but R5 to R2 won't since they are both in the same AS.
>
>
>
> -----Original Message-----
> From: Michael Todd [mailto:michaeldtodd@comcast.net]
> Sent: Thursday, December 05, 2002 1:46 PM
> To: ccielab@groupstudy.com
> Subject: Weird AS prepend problem
>
>
> I'm trying to prepend AS numbers to outgoing updates on a router that is
> originating the routes. When I look at the neighboring router, the AS
> numbers weren't added. If, from a router not originating the routes, I add
> the same route-map to an outgoing neighbor, the AS numbers are prepended.
> I'm using the exact same route-map and access-lists on both routers.
Should
> I be able to prepend an AS path to an IGP neighbor if I am originating the
> routes? Any ideas?
>
>
>
>
>
> Visual:
>
>
>
> R5 AS 200------------------R2 AS 200--------------R1 AS 8888
>
>
>
> R5 originates 172.32.1.0 from a loopback using a network statement.
Outgoing
> route-map to R2 matches 172.32.1.0 and sets as-path prepend to 500 and
501.
> Clear IP BGP *, then look in R2, no dice. See the route, but not from 500,
> 501. If I put the same route-map on the R2 for R1 neighbor, R1 sees 500
501.
>
>
> I'm tearing my hair out! I've triple-checked the configs. I'm running
> 12.1(5)T9 on all routers. Nothing else special happening with BGP.
>
>
>
> Thanks in advance!
>
> Michael Todd
>
> .
> .
.
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