[c-nsp] BGP - load-balancing on dual AS interconnection

[BAXTER, Adam]

Vincent,

Have a read of this.

http://www.cisco.com/warp/public/459/40.html

Some of the ways they say to Load Balance BGP is by splitting the Subnet
that you advertise.... it isn't true load balancing as such, but it
depends what you want to achieve.

Adam.

-----Original Message-----
From: cisco-nsp-bounces at puck.nether.net
[mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of Vincent De
Keyzer
Sent: Friday, 15 June 2007 2:08 AM
To: cisco-nsp at puck.nether.net
Subject: [c-nsp] BGP - load-balancing on dual AS interconnection

Hi,

 

another question on a different topic : imagine BGP customer (C) and BGP
provider (P). For some reason C wants two links from P, in two different
cities.

 

So in city A we have router Ca connected to router Pa, and in city B Cb
connected to Pb.

 

Is it possible to achieve load-balancing on both links (my feeling is:
no) ?
If yes, what configuration does it require from both C and P? Do things
change in case there is a second BGP provider?

 

Vincent

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