NOTE: You cannot set the designated router priority on PIM dense mode interfaces.
ip pim dr-priority
• Use to set a priority value, in the range 1–254, by which a router is likely to be selected
as the designated router.
• Examples
In Router Configuration mode:
host1(config-if)#ip pim dr-priority 24
In Interface Configuration mode:
host1(config-subif)#ip pim dr-priority 24
• Use the no version to restore the default value, 1.
• See ip pim dr-priority.
Configuring the PIM Join/Prune Message Interval
When you use the router for PIM, the router sends join/prune messages to the upstream
RPF neighbor. The default join/prune message interval is 60 seconds. You can configure
the join/prune message interval using the ip pim join-prune-interval command. The ip
pim join-prune-interval command in Router Configuration mode configures the join-prune
interval on all the PIM interfaces on the router. To override this global setting on a
particular interface, use the ip pim join-prune-interval command in Interface Configuration
mode.
The hold-time associated with the PIM join/prune interval messages is 3.5 times the PIM
join/prune message interval.
NOTE: You cannot configure the PIM join/prune message interval on PIM DM interfaces.
ip pim join-prune-interval
Use to set an interval value, in the range 10–210 seconds, at which the router sends
the PIM join/prune message; the default value is 60 seconds.
•
• Examples
In Router Configuration mode:
host1(config-if)#ip pim join-prune-interval 150
In Interface Configuration mode:
host1(config-subif)#ip pim join-prune-interval 150
• Use the no version to restore the default value, 60 seconds.
87Copyright © 2010, Juniper Networks, Inc.
Chapter 3: Configuring PIM for IPv4 Multicast
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