OSPF

From: gladston@br.ibm.com
Date: Mon Dec 20 2004 - 17:00:08 GMT-3


If area 1 has two ABRs, do both ABRs need the command "area range" when creating a summary of area 1?

Any reading list recommendation about this problem? Doyle V1, Trobleshooting IP Routing Protocol (Shamim) and Cisco OSPF Command and Configuration Handbook (Parkhurst) does not cover it.

The only reference I found was on OSPF RFC2328: "Routers RT3 and RT4 must also summarize Area 1's topology..." so I am considering that all ABRs on an area should have the same summary for that area. Any Comments?

What could be expected if only one ABR has the summary? (I will lab it but I am trying to discover what to expect from it)



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