We're Sorry, Full Content Access is for Members Only...

If you like to keep on reading, Become a Member Now! Here is why:

  • Learn any CCNA, CCNP and CCIE R&S Topic. Explained As Simple As Possible.
  • Try for Just $1. The Best Dollar You've Ever Spent on Your Cisco Career!
  • Full Access to our 651 Lessons. More Lessons Added Every Week!
  • Content created by Rene Molenaar (CCIE #41726)

463 Sign Ups in the last 30 days

100% Satisfaction Guaranteed!
You may cancel your monthly membership at any time.
No Questions Asked!


Forum Replies

  1. Hello Pradeep!

    In order to filter type 5 LSAs we must use the “out” keyword when implementing a distribute-list. The “out” keyword indicates that we are filtering LSA type 5, and thus we are filtering routes that are redistributed from external sources. Whereas the “in” keyword is used when we want to remove a route from from the routing table.

    I hope this was helpful!


  2. Hi Elliot,

    Just in case I checked it but it’s working fine for me.

    I added my configurations to the lesson (at the bottom) in case you want to double check.


  3. Hello Aniket

    As far as I know, GNS3 has no limitations on Type-5 filtering. It should function correctly. Take a look at this Cisco support thread to see if you have any issues similar to this:


    I hope this has been helpful!


  4. Can’t we configure the routemap this way?

    R1(config)#ip access-list standard R1_L1
    R1(config-std-nacl)#deny host
    R1(config-std-nacl)#permit any
    R1(config)#route-map CONNECTED_TO_OSPF permit 10
    R1(config-route-map)#match ip address R1_L1
    R1(config)#router ospf 1
    R1(config-router)#redistribute connected subnets route-map CONNECTED_TO_OSPF

  5. Hello Billing

    If we applied this route map as you have it here, the following would happen:

    You have an access list that denies host and permits everything else. This means that this access list, within a route map will match EVERYTHING except for that specific IP.

    When you add it to the route map, with a permit statement, then every time a packet with an IP address other than, it will be permitted. Because of the implicit deny at the end of the route map, everything else, which is essentially alone, will be denied.

    So a match

    ... Continue reading in our forum

8 more replies! Ask a question or join the discussion by visiting our Community Forum