1-IX BGP Traffic Engineering


    1

    For traditional BGP communities, the offered options in Ukrainian Exchange 1-IX are:

    Do not announce a prefix to a certain peer: 0: <peer-as>
    Announce a prefix for a specific peer: 60812: <peer-as>
    Do not advertise the prefix to any peer: 0:60812
    Announce the prefix for all nodes: 60812:60812
    Add once to a specific peer: 65001: <peer-as>
    Add twice to a specific peer: 65002: <peer-as>
    Add three times to a specific peer: 65003: <peer-as>
    Black traffic to the announced prefix (/32 only): 60812:666
    Make sure your router accepts any prefix marked by the 60812:666 community (You can drop traffic to these prefixes on your end).


    2

    For Large communities, the offered options in Ukrainian Exchange 1-IX are:

    Do not announce a certain prefix to peer-as: 60812:0: <peer-as>
    Announce a certain prefix to a certain peer: 60812:1: <peer-as>
    Do not announce a certain prefix to any peer: 60812:0:0
    Prepend to certain peer once: 60812:65001: <peer-as>
    Prepend to certain peer twice: 60812:65002: <peer-as>
    Prepend to certain peer three times: 60812:65003: <peer-as>’


    3

    For traditional BGP communities, the offered options in International Exchange 1-IX are:

    Do not announce a prefix to a certain peer: 0: <peer-as>
    Announce a prefix to a certain peer: 60812: <peer-as>
    Do not announce a prefix to any peer: 0:60812
    Announce a prefix to all peers: 60812:60812
    Prepend to certain peer once: 65001: <peer-as>
    Prepend to certain peer twice: 65002: <peer-as>
    Prepend to certain peer three times: 65003: <peer-as>
    Blackhole traffic to the announced prefix (only /32): 60812:666
    Please ensure your router accepts any prefix marked by 60812:666 community (you can drop traffic to those prefixes on your sidel).


    4

    For Large communities, the offered options are as below in International Exchange 1-IX:

    Do not announce a certain prefix to peer-as: 60812:0: <peer-as>
    Announce a certain prefix to a certain peer: 60812:1: <peer-as>
    Do not announce a certain prefix to any peer: 60812:0:0
    Prepend to certain peer once: 60812:65001: <peer-as>
    Prepend to certain peer twice: 60812:65002: <peer-as>
    Prepend to certain peer three times: 60812:65003: <peer-as>

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