C
HAPTER
46
| Multicast Routing Commands
PIM Multicast Routing
– 1095 –
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 a Join message. If no join messages are
received after the prune delay expires, this router will prune the flow.
â—† Prune delay is the sum of the effective propagation-delay and effective
override-interval, where effective propagation-delay is the largest
propagation-delay from those advertised by each neighbor (including
this switch), and effective override-interval is the largest override-
interval from those advertised by each neighbor (including this switch).
EXAMPLE
Console(config-if)#ip pim lan-prune-delay
Console(config-if)#
RELATED COMMANDS
ip pim override-interval (1096)
ip pim propagation-delay (1096)
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