[c-nsp] BGP - hiding AS

[Gary Roberton]

Hello All

Well, my Provider does not support remove-private-as or as-override.  So how
can we do this now? Any ideas?

Gary


On Wed, Mar 26, 2008 at 6:35 PM, Gary Roberton <gary.ciscomail at gmail.com>
wrote:

> I have the following topology
>
> Router 1(AS65501) -> Router 2 (AS123) -> Router 3 (AS456) -> Router4
> (AS65504)
>
> Router 1 is my site (private AS)
> R2 is network provider (public AS - I cant change config)
> R3 is my other site (public AS)
> R4 is end customer (private AS)
>
> Router 1 advertises network 10.1.1.1 to R2, then R2 to R3, R3 to R4.
>
> Problem is that I need to suppres / hide / remove the private AS of R1 by
> the time it gets to R4.  This is because R4 can see the same private AS in
> use elsewhere on its own network.
>
> I would use the *neighbor x.x.x.x remove-private-as ***command but
> understand that this doesn't work if you have public and private AS numbers
> in the path.
>
> What is best practice?
>
> Thanks in advance
>
> Gary
> **