From: Robert Rech (brech@kc.rr.com)
Date: Sun Nov 16 2003 - 11:49:54 GMT-3
If you want to tag a route to be adv only within the confederation try using
the no-export, the local-as means just that adv only within the local AS not
confederation.
----- Original Message -----
From: "Silvio Nunes" <silvio_98@hotmail.com>
To: <ccielab@groupstudy.com>
Sent: Sunday, November 16, 2003 8:24 AM
Subject: MORE..BGP - Community attribute
> Regarding LOCAL-AS attribute, I4d like to confirm:
>
> A route with a LOCAL_AS attribute can be advertised to peers in other
> subautonomous systems within a confederation, but I4m trying and it is not
> working... the route cannot be advertised to another subautonomous
systems..
>
> AS3 (R3)......[ AS10 (subAS5 -R5)----- (subAS5 - R2) ........ (subAS6 -
R6)]
> |
> |
> 222.222.222.0
>
> In this example, R2 (in the same subAS) has 222.222.222.0. R6 (in another
> subAS) cannot get the same route:
>
> (R5)
> router bgp 5
> bgp router-id 5.5.5.5
> bgp cluster-id 3368601605
> bgp log-neighbor-changes
> bgp confederation identifier 10
> bgp confederation peers 6
> neighbor 2.2.2.2 remote-as 5
> neighbor 2.2.2.2 ebgp-multihop 5
> neighbor 2.2.2.2 update-source Loopback0
> neighbor 2.2.2.2 send-community
> neighbor 2.2.2.2 route-map MODCOMMUNITY out
> neighbor 3.3.3.3 remote-as 3
> neighbor 3.3.3.3 ebgp-multihop 5
> neighbor 3.3.3.3 update-source Loopback0
>
> access-list 33 permit 222.222.222.0 0.0.0.255
>
> route-map MODCOMMUNITY permit 10
> match ip address 33
> set community local-as
> !
>
> _________________________________________________________________
> MSN Hotmail, o maior webmail do Brasil. http://www.hotmail.com
>
> _______________________________________________________________________
> Please help support GroupStudy by purchasing your study materials from:
> http://shop.groupstudy.com
>
> Subscription information may be found at:
> http://www.groupstudy.com/list/CCIELab.html
This archive was generated by hypermail 2.1.4 : Fri Dec 12 2003 - 12:29:12 GMT-3