Load balancing in ospf

Unanswered Question
Mar 18th, 2007
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Hi,

We are having two links 4 mbps and 2 mbps, and we are running OSPF on these lines. How do we load balance on these lines ? As per bandwidth . That is 75 % of data should flow on 4 mb line and 25 5 should flow on 2 mb line. Is such balancing possible on OSPF process.

Thanks in advance

Subodh


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spremkumar Sun, 03/18/2007 - 23:53
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Hi Subodh


I don't think you will be able to do that (75% & 25% load on the links) with normal ospf config.


But you can try out configuring Multilink by bundling both the links so that you can expect even load balancing on the bundled links.


If you are having ethernet drop on your 4 Mbps then you wont be able to bundle the links..


Also if you are having 4 Mbps as ethernet drop then you can try doing backup interface and backup load command which will point your 2 Mbps link as your secondary and also forward traffic onto the secondary link once you have 75% utilizations on the primary link..


regds



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