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neighbors are still active members of the multicast tree. (Range:
1-65535 seconds; Default: 10 seconds)
• Neighbor Timeout Interval – Sets the interval to wait for messages
from a DVMRP neighbor before declaring it dead. This command is
used for timing out routes, and for setting the children and leaf flags.
(Range: 1-65535 seconds; Default: 35 seconds)
• Report Interval – Specifies how often to propagate the complete set
of routing tables to other neighbor DVMRP routers. (Range: 1-65535
seconds; Default: 60 seconds)
• Flash Update Interval – Specifies how often to send trigger updates,
which reflect changes in the network topology.
• Prune Lifetime – Specifies how long a prune state will remain in
effect for a multicast tree. (Range: 1-65535; Default: 7200 seconds)
• Default Gateway* – Specifies the default DVMRP gateway for IP
multicast traffic. (Default: none)
- The specified interface advertises itself as a default route to
neighboring DVMRP routers. It advertises the default route out
through its other interfaces. Neighboring routers on the other
interfaces return Poison Reverse messages for the default route
back to the router. When the router receives these messages, it
records all the downstream routers for the default route.
- When multicast traffic with an unknown source address (i.e., not
found in the route table) is received on the default upstream route
interface, the router forwards this traffic out through the other
interfaces (with known downstream routers). However, when
multicast traffic with an unknown source address is received on
another interface, the router drops it because only the default
upstream interface can forward multicast traffic from an unknown
source.
* CLI only.