Users Guide

Layer 3 Routing Commands 1611
User Guidelines
Only one of sparse or dense mode can be configured on a router. IGMP is
automatically enabled if PIM is enabled and disabled when PIM is disabled.
ip multicast-routing may be operationally enabled or disabled by this
command.
PIM is not compatible with DVMRP. DVMRP must be disabled before
enabling PIM.
Example
console(config)#ip multicast-routing
console(config)#ip pim dense-mode
ip pim dr-priority
The ip pim dr-priority command in Interface (VLAN) Configuration mode
to administratively configure the advertised designated router (DR) priority
value. Use the no form of this command to return the configuration to the
default.
Syntax
ip pim dr-priority priority
no ip pim dr-priority
• priority — The administratively configured priority (Range: 0–
2147483647).
Default Configuration
The default election priority is 1.
Command Mode
Interface (VLAN) Configuration mode
User Guidelines
This command only has an effect if sparse mode is enabled. Lower values are
preferred.