[nsp] question on BGP

Christopher J. Wolff chris at bblabs.com
Thu Apr 29 09:46:01 EDT 2004


Benjie,

If office 1 and office 2 advertise different netblocks and you run IBGP
between the two offices I think you could make it work :)

Regards,
Christopher J. Wolff, VP CIO
Broadband Laboratories, Inc.
http://www.bblabs.com
> -----Original Message-----
> From: cisco-nsp-bounces at puck.nether.net [mailto:cisco-nsp-
> bounces at puck.nether.net] On Behalf Of Benjie Ko
> Sent: Thursday, April 29, 2004 6:36 AM
> To: cisco-nsp at puck.nether.net
> Subject: [nsp] question on BGP
> 
> Hi list,
> 
> Is it possible to have two offices connected to the
> same service provider to share the same AS but still
> maintain connectivity.
> 
> 
> office 1 [AS1000] <-->service provider <--> office 2
> [AS1000]
> 
> Office 1 and 2 have no direct connectivity.
> Both offices need to use BGP since they will be
> multihomed to different providers.
> I know office 1 cannot accept BGP advertisement from
> office 2 since it  its own AS.
> Is there a way to make this work without using GRE
> tunnels between the two offices?
> My only idea is to get a different AS for office 2.
> Thanks.
> 
> 
> 
> 
> 
> 
> 
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