Re: BGP "Allowas-in" -- scenarios to use this?

dun think it will ever happen. unless for private AS. Have 2 remote sites
that is having the same as that transit a different AS in the middle.

AS100-AS200-AS100

On Tue, Aug 18, 2009 at 10:25 PM, David Swafford <david_at_davidswafford.com>wrote:

> Hi Groupstudy List--
>
> While learning the ins and outs of BGP I've come across something I'm
> a bit fuzzy on--
>
> In BGP we have this configuration option under the neighbor
> configuration of "allowas-in" which defeats BGP's loop prevention
> mechanism and allows the programmed router to accept routes that
> already contain it's own AS in the AS PATH list. Does anyone actually
> implement this in their production environment? I'm interested to
> know what kind of scenarios would require this.
>
> Thanks,
> David Swafford.
>
>
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Received on Tue Aug 18 2009 - 22:34:06 ART