By default, DVMRP is not activated on an interface.
Configuring any DVMRP parameter on an interface automatically activates
DVMRP on that interface. You can also activate DVMRP on an interface
and use the default parameters.
ip
dvmrp
Use to activate DVMRP on an interface.
This command automatically creates and enables DVMRP processing
on the current VR.
Issuing this command identifies this interface as one
that DVMRP owns.
Example
host1:boston(config-if)#ip dvmrp
Use the no version to remove
DVMRP from an interface.