M
ULTICAST
R
OUTING
C
OMMANDS
-205
Example

ip pim hello-interval

Use this command to configure the frequency at which PIM hello
messages are transmitted. Use the no form to restore the default value.
Syntax
ip pim hello-interval seconds
no pim hello-interval
seconds - Interval between sending PIM hello messages.
(Range: 1-65535)
Default Setting
30 seconds
Command Mode
Interface Configuration (VLAN)
Command Usage
Hello messages are sent to neighboring PIM routers from which this
device has received probes, and are used to verify whether or not these
neighbors are still active members of the multicast tree.
Example
Console(config)#interface vlan 1
Console(config-if)#ip pim dense-mode
Console#show ip pim interface
Vlan 1 is up
PIM is enabled, mode is Dense.
Internet address is 10.1.0.253.
Hello time interval is 30 sec, trigger hello time interval is 5 sec.
Hello holdtime is 105 sec.
Join/Prune holdtime is 210 sec.
Graft retry interval is 3 sec, max graft retries is 2.
DR Internet address is 10.1.0.253, neighbor count is 0.
Console#
Console(config-if)#ip pim hello-interval 60
Console(config-if)#