Command Line Interface
11271553-KDU 137 365 Uen D 2006-06-16
Example
7.27.21 ip pim trigger-hello-interval
This command configures the maximum time before transmitting a triggered
PIM-DM Hello message after the router is rebooted or PIM-DM is enabled on an
interface. Use the no form to restore the default value.
Syntax
ip pim trigger-hello-interval <seconds>
no ip pim trigger-hello-interval
seconds - The maximum time before sending a triggered PIM-DM
Hello message. (Range: 0-65535)
Default Setting
5 seconds
Command Mode
Interface Configuration (VLAN)
Command Usage
• When a router first starts or PIM-DM is enabled on an interface, the
hello-interval is set to random value between 0 and the trigger-hello-
interval. This prevents synchronization of Hello messages on multi-
access links if multiple routers are powered on simultaneously.
• Also, if a Hello message is received from a new neighbor, the receiving
router will send its own Hello message after a random delay between 0
and the trigger-hello-interval.
Console(config-if)#ip pim hello-holdtime 210
Console(config-if)#
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