hi all, if we use area range x.x.x.x y.y.y.y not-advertise command on ABR, it will filter type 1 lsa to be originated as type 3 in the attatched non backbone area, what is the reason behind it ? can some one tell me where is it defined in the ospfv2 RFC ?, and also correct me in my assumption that RFC tell us all !! i mean cisco and other vendors follow RFC to implement protocols so every action or result we see from our configuration shouldnt it be defined in the RFC somewhere ?
This is an excellent response from Giuseppe and worth the rating that I give it.
I would like to address this part of your post:
"and also correct me in my assumption that RFC tell us all".
I do not think that it is true that the RFC tells us all. The RFC gives a common basis on which different vendors implement something (like OSPF). The RFC specifies things that the protocol should do and sometimes specifies things that the protocol should not do. The vendor should follow the directives provided in the RFC. But the vendor is not limited to only the things directed in the RFC. Many vendors will implement proprietary extensions to the protocol. So there may very well be parts of your config that are not something defined in the RFC but are provided by the vendor who wants to go above and beyond the specifics of the RFC to make it work better.
Hi everyone, I would like to thank you in advance for any help you can provide a newcomer like myself!
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