Re: [nsp] Removing Private AS's

From: Kevin Gannon (kevin@gannons.net)
Date: Wed Aug 16 2000 - 10:03:20 EDT


-----Original Message-----
From: Dave Bergum <bergum@mr.net>
To: Kevin Gannon <kevin@gannons.net>
Cc: cisco-nsp@puck.nether.net <cisco-nsp@puck.nether.net>
Date: Wednesday, August 16, 2000 1:58 PM
Subject: Re: [nsp] Removing Private AS's

>>>>>> On Wed, 16 Aug 2000 13:32:26 +0100, "Kevin Gannon"
<kevin@gannons.net> said:
>
> Kevin> I am trying to use the cisco remove-private fetaure in BGP to peer
> Kevin> via EBGP to a private AS and then advertise those routes as if
> Kevin> they are comming from me.
>
>Kevin, where in your config do you put the remove-private? It should be in
>your upstream peering config. We are doing this and it works fine. What
>as are you configuring the remove-private in? AS2110 would have to have
>remove-private in their peering session with 3856.

The remove statement is on AS2110's peer to AS3856 which. AS2110 are
seeing are private AS and the networks from us. But AS3856 see nothing.

Any pointers at all most welcome.

Regards,
Kevin

>
>I believe that cisco removes the as prior to running the route-map, and
>Juniper does the opposite.
>
>
> Kevin> Want to remove the AS65479 from here and
> Kevin> make this seen as AS2110 to AS3856
>
> Kevin> AS65479------------AS2110--------------AS3856
>
> Kevin> However this is simply not happening the routes never get to the
> Kevin> upstream peers any gotchas I should be aware of ?
>
> Kevin> I am working with the upstream we are AS65479 and just curious
> Kevin> have people got this working or is it just a route map catching
> Kevin> the routes and dropping them somewhere in the ISP.
>
> Kevin> Thanks & Regards,
> Kevin> Kevin
> Kevin> <!DOCTYPE HTML PUBLIC "-//W3C//DTD W3 HTML//EN">
> Kevin> <HTML>
> Kevin> <HEAD>
>
> Kevin> <META content=text/html;charset=iso-8859-1
http-equiv=Content-Type>
> Kevin> <META content='"MSHTML 4.72.3110.7"' name=GENERATOR>
> Kevin> </HEAD>
> Kevin> <BODY bgColor=#ffffff>
> Kevin> <DIV><FONT color=#000000 size=2>I am trying to use the cisco
remove-private
> Kevin> fetaure in BGP to peer via EBGP to a private AS and
then</FONT></DIV>
> Kevin> <DIV><FONT color=#000000 size=2>advertise those routes as if they
are comming
> Kevin> from me.</FONT></DIV>
> Kevin> <DIV><FONT color=#000000 size=2></FONT>&nbsp;</DIV>
> Kevin> <DIV><FONT color=#000000
> Kevin>
size=2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&
nbsp;
> Kevin> Want to remove the AS65479 from here and make this seen as AS2110
to
> Kevin> AS3856</FONT></DIV>
> Kevin> <DIV><FONT color=#000000
> Kevin> size=2>AS65479------------AS2110--------------AS3856</FONT></DIV>
> Kevin> <DIV>&nbsp;</DIV>
> Kevin> <DIV><FONT color=#000000 size=2>However this is simply not
happening the routes
> Kevin> never get to the upstream peers any gotchas I</FONT></DIV>
> Kevin> <DIV><FONT color=#000000 size=2>should be aware of ?</FONT></DIV>
> Kevin> <DIV><FONT color=#000000 size=2></FONT>&nbsp;</DIV>
> Kevin> <DIV><FONT color=#000000 size=2>I am working with the upstream we
are AS65479
> Kevin> and just curious have people got this working </FONT></DIV>
> Kevin> <DIV><FONT color=#000000 size=2></FONT><FONT size=2>or is it just
a route map
> Kevin> catching the routes and dropping them somewhere in the
ISP.</FONT></DIV>
> Kevin> <DIV>&nbsp;</DIV>
> Kevin> <DIV><FONT color=#000000 size=2>Thanks &amp; Regards,</FONT></DIV>
> Kevin> <DIV><FONT color=#000000 size=2>Kevin</FONT></DIV></BODY></HTML>
>



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