Chapter 30
| Multicast Routing Commands
PIM Multicast Routing
– 1027 –
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-holdtime timer expires or a graft message is
received for the forwarding entry.
Example
Console(config-if)#ip pim join-prune-holdtime 60
Console(config-if)#
ip pim
lan-prune-delay
This command causes this device to inform downstream routers of how long it will
wait before pruning a flow after receiving a prune request. Use the no form to
disable this feature.
Syntax
[no] ip pim lan-prune-delay
Default Setting
Disabled
Command Mode
Interface Configuration (VLAN)
Command Usage
â—† When other downstream routers on the same VLAN are notified that this
upstream router has received a prune request, they must send a Join to
override the prune before the prune delay expires if they want to continue
receiving the flow. The message generated by this command effectively
prompts any downstream neighbors with hosts receiving the flow to reply with
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