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Community Member

OSPF route filtering

Could you please provide insight on how to restrict specific routes learned via OSPF from getting updated in the main routing table.

4 REPLIES

It kinda depends on what type

It kinda depends on what type of routes you are trying to filter. What are you trying to accomplish?

Community Member

I am looking for filtering

I am looking for filtering LSAs from getting updated in the main routing table.

Purple

Hi,if you don't want LSAs to

Hi,

if you don't want LSAs to make it in the RIB then you can use distribute-list in command but don't forget it will only be local on the router where this command is applied because LSAs will still be flooded to other routers in the area.

Could you be more precise about what you are trying to achieve with a topology and explanation.

 

Regards

 

Alain

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Silver

Hi,Alain is right but

Hi,

Alain is right but remember that LSA-3 can be filtered on ABR. This way routes are not put in routing table and also not advertised  in one area.

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