On R3 create an aggregate for the networks so they are advertised with only the local as to R4. You can create two /25's for one /24 if you can't do a larger aggregate.
David -- http://dcp.dcptech.com > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of Gary Roberton > Sent: Thursday, April 03, 2008 11:46 AM > To: cisco-nsp@puck.nether.net > Subject: Re: [c-nsp] BGP - hiding AS > > 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 > <[EMAIL PROTECTED]> > 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 > > ** > _______________________________________________ > cisco-nsp mailing list cisco-nsp@puck.nether.net > https://puck.nether.net/mailman/listinfo/cisco-nsp > archive at http://puck.nether.net/pipermail/cisco-nsp/ _______________________________________________ cisco-nsp mailing list cisco-nsp@puck.nether.net https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/