Tag Archives: forwarding address

OSPF Forwarding Address Part III: The perfect recipe for chaos

After getting familiar with the FA, when it’s set and when not, we’re ready to cook the recipe for chaos: NSSAs, Default Route injection and Forwarding Address.

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OSFP Forwarding Address Part II: Redistribution and filtering don’t get along very well

Hoping you all enjoyed the first part of the OSPF forwarding address saga, I’m back with the promise to make things clear regarding a nicely built redistribution case. I’m not sure if you’ve ever come across it, or ever will, but it’s interesting because it explains why we need the rules to set the forward address (if you don’t remember them, you can take a look at Part I).

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OSFP Forwarding Address Part I: Type 5 LSA Suppression

OSPF (Open Shortest Path First) is mostly seen as a pretty nasty routing protocol, with a load of subtleties and corner cases. I’ve decided to talk about a subject which usually gives a lot of troubles to most network professionals – the Forwarding Address (FA).

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