C
HAPTER
46
| Multicast Routing Commands
PIM Multicast Routing
– 1094 –
ip pim hello-interval This command configures the frequency at which PIM hello messages are
transmitted. Use the no form to restore the default value.
SYNTAX
ip pim hello-interval seconds
no pim hello-interval
seconds - Interval between sending PIM hello messages.
(Range: 1-65535)
DEFAULT SETTING
30 seconds
COMMAND MODE
Interface Configuration (VLAN)
COMMAND USAGE
Hello messages are sent to neighboring PIM routers from which this device
has received probes, and are used to verify whether or not these neighbors
are still active members of the multicast tree.
EXAMPLE
Console(config-if)#ip pim hello-interval 60
Console(config-if)#
ip pim join-prune-
holdtime
This command configures the hold time for the prune state. Use the no
form to restore the default value.
SYNTAX
ip pim join-prune-holdtime seconds
no ip pim join-prune-holdtime
seconds - The hold time for the prune state. (Range: 0-65535)
DEFAULT SETTING
210 seconds
COMMAND MODE
Interface Configuration (VLAN)
COMMAND USAGE
The multicast interface that first receives a multicast stream from a
particular source forwards this traffic to all other PIM interfaces on the
router. If there are no requesting groups on that interface, the leaf node
sends a prune message upstream and enters a prune state for this
multicast stream. The prune state is maintained until the join-prune-
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