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Checking DVMRP Routing Status
CoreWatch can display information about the following:
•
The DVMRP interfaces configured on an SSR. This includes details about the
configuration of DVMRP interfaces, whether a DVMRP interface is functioning, how
many packets were discarded on each interface, and how many route entries of valid
DVMRP packets were ignored.
•
The DVMRP neighboring routers. This includes details about the length of time those
routers have been neighbors to the SSR, their capabilities, and DVMRP traffic.
•
The multicast routes DVMRP uses instead of unicast routes. This includes details about
the SSR's multicast routes such as their sources, upstream neighbors, and hop counts.
•
The next hops of the DVMRP interfaces to which the SSR is sending IP multicast
packets.
Obtaining DVMRP Interface Information
Obtain DVMRP Interface information if you want to examine details about DVMRP
interfaces. This includes information about the configuration of DVMRP interfaces,
whether a DVMRP interface is functioning, how many packets were discarded on each
interface, and how many route entries of valid DVMRP packets were ignored.
To access such information, do one of the following:
•
In the Front Panel view, select the Monitor menu, choose Routing State, choose
DVMRP State, and then choose DVMRP Interface Table.
•
In the Schematic view, double-click the DVMRP Routing function.
A DVMRP Interface table similar to the following appears:
CoreWatch User's Manual
Chapter 20: Checking the Status of Routing Tables
419
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