Command Line Interface
1114 1553-KDU 137 365 Uen D 2006-06-16
Example
7.27.9 default-gateway
This command specifies the default DVMRP gateway for IP multicast traffic. Use
the no form to remove the default gateway.
Syntax
default-gateway <ip-address>
no default-gateway
ip-address - IP address of the default DVMRP gateway.
Default Setting
None
Command Mode
Router Configuration
Command Usage
• 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 (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
Console(config-router)#prune-lifetime 5000
Console(config-router)#
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