State is the functional level of the interface with the neighbor, as fol-
lows:
Down No recent information received from the neighbor, or the
initial state of a neighbor conversation.
Attempt No recent information received from the neighbor, but
keep trying. (For neighbors attached to nonbroadcast
networks.)
Init A Hello packet recently seen from the neighbor, but
bidirectional communication not yet established.
2-way Bidirectional communication with the neighbor.
ExStart First step in creating an adjacency with the neighbor, to
decide which is the master router.
Exchange Neighbors starting database synchronization.
Loading Link state request packets being sent to the neighbor.
Full Adjacent neighbors established and databases
synchronized.
Mode lists the mode of the neighbor, as follows:
Master Sends the first database description packet, and allowed
to retransmit.
Slave Responds to the master’s database description packet.
Priority lists the router priority of the neighbor, used when selecting
the designated router for the attached network.
Using the Network Control Language
Managing the Open Shortest Path First Protocol
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