Re: [nsp] OSPF path selection question.

From: Dave Bergum (bergum@MR.Net)
Date: Fri Dec 17 1999 - 07:20:48 EST

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As relayed to me in private email by Abhay Roy from cisco, matching
prefixes in OSPF are choosen according to the following route types:

         intra-area first
         inter-area
         external last

If there are multiple prefixes in a given type, then routes are
differentiated by OSPF cost. If there are multiple prefixes with identical
costs, load is distributed over the prefixes.

Thanks to Abhay for clearing a mystery for me. Somehow, I had never come
across this aspect of OSPF.

-- 
Thanks and regards,
Dave
       A  Onvoy/Internet - Internet in Minnesota since 1987
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