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Load Balancing between multiple BGP peer connections

  • From: Joe Shen
  • Date: Wed Sep 14 06:25:28 2005
  • Domainkey-signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com.sg; h=Message-ID:Received:Date:From:Subject:To:MIME-Version:Content-Type:Content-Transfer-Encoding; b=t8UPxrrs6TLsZ4sDGwOy+KH9w0mmrliVcuLrFCndFXbTYeEfbGzAZhT17NkwawY5dxZb0ycjukhxFb1olp8BZsKrWAp/w0I7UDWkVeVLtiJkRQ5bbNtZAHKpcsAgAQEQwWCgegeo0j8rOH+rL4aTlKTuCuzX5Z9b8NoROKWboWY= ;

Hi,

How could load on multiple BGP peer links be balanced
automatically?

The situation we are facing:

             ---------------------------|
             |  Service provider        |
             |                          |
             --R1--------------------R2---
               |\                     |
               | \       E-BGP        |
               |  \ ----------------\ |          
               |                     \|
            ----R3--------------------R4-|
            |     Our Network            |
            |      (OSPF)                |
            -----------------------------  

The three links between our network and Service
provider network are all 1Gbps. Now, we noticed that 
load on link R1-R3, R1-R4 is about 50% (in/out), but
load on R2-R4 are about 90% ( in/out).

How could we balance those load on the three links
automatically? or must we tune the route mannually? 

Is there any technical guide on this?

thanks  in advance.

Joe  

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