How can you prevent routing loops when performing mutual redistribution between two OSPF domains on multiple routes?

How can you prevent routing loops when performing mutual redistribution between two OSPF domains on multiple routes?
A. No action is required, OSPF prevents routing loops by design
B. Prevent routes from being redistributed into their original OSPF domain
C. Redistribution only external routes between the OSPF domains
D. Make sure that the redistributing routes are members of Area 0 in both OSPF domains

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One thought on “How can you prevent routing loops when performing mutual redistribution between two OSPF domains on multiple routes?

  1. This question is up for debate, by default OSPF redistribution only redistributes internal routes: Intra area (O) and inter area (O-IA) routes. So there is no issue of feed-back redistribution by default. So Answer A could be right. The real answer here should be to change the distance of external routes to be higher than 110, but that is not in any choices.

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