Experience Exchange Sever

January 21, 2010

Link State Information – E2K3

Filed under: Exchange 2003, Mail flow — vijayarelangovan @ 8:57 pm


  • Link state table contains the following information

o   List of all Connectors      -> Name

o   Link status of the connectors      ->            Up/Down

o   Link cost of the connectors          ->            Value

  • Link state table information will be available with the Routing group master
  • The Routing Group Master will be communicating with the other exchange server to update the LST through the TCP port 691
  • The Routing Group Master will update the LST to the bridgehead server and bridgehead server sends the updated LST to the other bridgehead server in other routing group through TCP Port 25


  1. Hi vijayarelangovan,

    I believe that In a routing group, the routing group master and the other Exchange servers communicate link state information over TCP/IP port 691 using SMTP.

    Comment by Druva kumar — January 22, 2010 @ 10:41 am

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