Administrator Guide

Layer 3 Routing Commands 1604
User Guidelines
All multicast groups with the same hash value correspond to the same RP.
Lower priority values are preferred.
Example
console(config)#ip pim bsr-candidate vlan 10 16 0 interval 30
ip pim dense-mode
Use the ip pim dense-mode command in Global Configuration mode to
administratively configure PIM dense mode for IP multicast routing. Use the
no form of this command to disable PIM.
Syntax
ip pim dense-mode
no ip pim
Default Configuration
PIM is not enabled by default.
Command Mode
Global Configuration mode
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