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Thread: H3 Multicast Questions and Solution with Variations

  1. #1

    H3 Multicast Questions and Solution with Variations

    Dears,

    I would appreciate if someone provide updated H3 Multicast Questions and Solution with Variations. Especially, the filtering of RP announcements in DC!

    I tried to make an access list

    Access-list 101 deny ip any host 224.0.0.39
    Access-list 101 deny ip any host 224.0.0.40
    Access-list 101 permit ip any any


    R10,R11


    int e0/0
    ip multicast boundary 101 in

    Nothing is being filtered in DC side!

    Thanks

  2. The Following User Says Thank You to cciecandidate For This Useful Post:

    ZYA (07-29-2020)

  3. #2

    Re: H3 Multicast Questions and Solution with Variations

    Quote Originally Posted by cciecandidate View Post
    Dears,

    I would appreciate if someone provide updated H3 Multicast Questions and Solution with Variations. Especially, the filtering of RP announcements in DC!

    I tried to make an access list

    Access-list 101 deny ip any host 224.0.0.39
    Access-list 101 deny ip any host 224.0.0.40
    Access-list 101 permit ip any any


    R10,R11


    int e0/0
    ip multicast boundary 101 in

    Nothing is being filtered in DC side!

    Thanks
    This is correct solution:
    //in R30:
    access-list 1 permit 239.130.0.0 0.0.255.255
    ip pim send-rp-ann loopback1 scope 1 group-list 1
    ip pim send-rp-dis loopback1 scope 2

    //in R30, R31:
    access-list 2 deny 239.130.0.0 0.0.255.255
    access-list 2 permit any
    !
    int eth 0/0
    ip multicast boundary 2 filter-autorp

  4. #3

    Re: H3 Multicast Questions and Solution with Variations

    Quote Originally Posted by Nexus View Post
    This is correct solution:
    //in R30:
    access-list 1 permit 239.130.0.0 0.0.255.255
    ip pim send-rp-ann loopback1 scope 1 group-list 1
    ip pim send-rp-dis loopback1 scope 2

    //in R30, R31:
    access-list 2 deny 239.130.0.0 0.0.255.255
    access-list 2 permit any
    !
    int eth 0/0
    ip multicast boundary 2 filter-autorp
    Thank you for your reply.

    Will ip multicast boundary 2 filter-autorp filter RP messages IN and OUT for 239.130.0.0/16 ? Or it is just IN ?

  5. #4

    Re: H3 Multicast Questions and Solution with Variations

    Quote Originally Posted by cciecandidate View Post
    Thank you for your reply.

    Will ip multicast boundary 2 filter-autorp filter RP messages IN and OUT for 239.130.0.0/16 ? Or it is just IN ?
    it is very clear, I hope that you understand before you ask.

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