The Topology Table Fields

The topology table includes the following information:

• Whether the route is passive or active.

• That an update has been sent to the neighbors.

• That a query packet has been sent to the neighbors. If this field is positive, at least one route will be marked as active.

• If a query packet has been sent, another field will track whether any replies have been received from the neighbors.

• That a reply packet has been sent in response to a query packet received from a neighbor.

• The remote networks.

• The prefix or mask for the remote network.

• The metric for the remote network, the FD.

• The metric for the remote network advertised by the next logical hop, the AD.

• The outgoing interface to be used to reach the next logical hop.

• The successors, the path to the remote network stated in hops.

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