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Forum Replies

  1. Hi Thai,
    Good catch. I believe you are correct. I will ask Rene to review/correct this.

  2. I think the route map with deny statement will deny everything that permitted in access-list statement, so the outbound routes will be filtered if we use the route map with redistribution or with community or any other case, I also check it out with a lab and I see the route 1.1.1.1 in your case will not announce even to R2 !!! If I did not understand, is it possible to clarify this case more ???

  3. Let me give an example to avoid confusion. To keep it simple and fast, I’ll use EIGRP and a distribute-list. Here’s R1:

    R1#show run | begin router eigrp
    router eigrp 1
     network 0.0.0.0
    

    and R2:

    R2#show run | begin router eigrp
    router eigrp 1
     network 0.0.0.0
    

    R1 has two loopback interfaces that are advertised to R2:

    R2#show ip route eigrp 
    
          1.0.0.0/24 is subnetted, 1 subnets
    D        1.1.1.0 [90/130816] via 192.168.12.1, 00:02:32, GigabitEthernet0/1
          11.0.0.0/24 is subnetted, 1 subnets
    D        11.11.11.0 [90/130816] via 192.168.12.1, 00:02:32, Gigab
    ... Continue reading in our forum

  4. I think this should be the other way around:

    “As a result, R2 will not advertise it to R3 (iBGP) or R4 (eBGP).”

    Since R4 is in the same AS as R2, they would use iBGP and since R3 is in another AS it would use eBGP.

  5. Hello Elias

    Yes you are correct. It should read:

    “As a result, R2 will not advertise it to R3 (eBGP) or R4 (iBGP).”

    Thanks, I’ll let @ReneMolenaar know.

    Laz

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