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From: 张 江平 (buaazhangYAHOO.COM.CN)
Date: Thu Sep 13 2001 - 01:41:22 CDT

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    Hi all,

       I am comfused about the definition of adjacency, in
    the Page 154 gives the definition, i.e., adjacency is
    the neighbor whose state is >=Exchange, but in the
    Page 86 about the neighbor state machine, explain that
    ExStart is the first step in creating an adjacency
    between the two neighboring routers. So,I think
    ExStart is the initial state of adjacency, but which
    one is better?
       Another question is about the LS ack, in the
    process bring up to adjacency, when receiving a LSU
    packet from neighbor, and you find the LSA in the
    require list, and now the LSA is a duplication
    instance, according to the Table 19?

    Thanks in advance!
    zhang

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