Re: BGP community : Short Summary

From: Arun Arumuganainar (aarumuga@hotmail.com)
Date: Tue Aug 16 2005 - 07:15:19 GMT-3


      Attribute

      iBGP

      Confed-eBGP

      eBGP

      No-Export

      Yes

      Yes

      No

      Local-AS

      Yes

      No

      No

      No-advertise

      No

      No

      No

Note : Yes will be advertised to Peer . No : Will not be advertised .
----- Original Message -----
From: "Scott Morris" <swm@emanon.com>
To: "'Ed Tan'" <tytanx@gmail.com>; <ccielab@groupstudy.com>
Sent: Tuesday, August 16, 2005 8:48 AM
Subject: RE: BGP community

> I haven't read ahead yet, so if I'm being redundant with my answer, just
> ignore me. :)
>
> "no export" implies that it will not be exported to someone outside of your
> local trust zone. Normally we think of this as our own AS, which makes
> sense. But this community will also include any confederation peers
> (sharing some existence anyway), and tells the peers don't give it to
anyone
> WE don't trust.
>
> "local as" will not even go to a confederation peer.
>
> HTH,
>
> Scott
>
>
> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of Ed
> Tan
> Sent: Monday, August 15, 2005 2:38 AM
> To: ccielab@groupstudy.com
> Subject: BGP community
>
> Hi group,
>
> Could someone tell me (or point me to a link) the different usage between
> the "Local AS" and "no export" communities?
>
> Thanks,
> Ed
>
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