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| Multicast Routing Commands
C
52
HAPTER
PIM Multicast Routing
ip pim
join-prune-interval
Console#
This command sets the join/prune timer. Use the no form to restore the
default setting.
S
YNTAX
ip pim join-prune-interval seconds
no ip pim join-prune-interval
seconds - The interval at which join/prune messages are sent.
(Range: 1-65535 seconds)
D
S
EFAULT
ETTING
60 seconds
C
M
OMMAND
ODE
Interface Configuration (VLAN)
C
U
OMMAND
SAGE
By default, the switch sends join/prune messages every 210 seconds to
◆
inform other PIM-SM routers about clients who want to join or leave a
multicast group.
Use the same join/prune message interval on all the PIM-SM routers in
◆
the same PIM-SM domain, otherwise the routing protocol's performance
will be adversely affected.
The multicast interface that first receives a multicast stream from a
◆
particular source forwards this traffic only to those interfaces on the
router that have requested to join this group. When there are no longer
any requesting groups on that interface, the leaf node sends a prune
message upstream and enters a prune state for this multicast stream.
The protocol maintains both the current join state and the pending
Reverse Path Tree (RPT) prune state for this (source, group) pair until
the join/prune-interval timer expires.
E
XAMPLE
This example sets the priority used in the bidding process for the DR.
Console(config)#interface vlan 1
Console(config-if)#ip pim join-prune-interval 210
Console#show ip pim interface
PIM is enabled.
VLAN 1 is up.
PIM Mode
IP Address
Hello Interval
Hello HoldTime
Triggered Hello Delay
Join/Prune Holdtime
Lan Prune Delay
– 1946 –
:
Sparse Mode
:
192.168.0.2
:
30 sec
:
105 sec
:
5 sec
:
210 sec
:
Disabled
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