Reference Guide

1144 | PIM-Sparse Mode (PIM-SM)
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ip pim dr-priority
c e s
Change the Designated Router (DR) priority for the interface.
Syntax
ip pim dr-priority
priority-value
To remove the DR priority value assigned, use the no ip pim dr-priority command.
Parameters
Defaults
1
Command Modes
INTERFACE
Command
History
Usage
Information
The router with the largest value assigned to an interface becomes the Designated
Router. If two interfaces contain the same DR priority value, the interface with the
largest interface IP address becomes the Designated Router.
ip pim graceful-restart
e
This feature permits configuration of Non-stop Forwarding (NFS or graceful restart)
capability of a PIM router to its neighbors.
Syntax
[ipv6] ip pim graceful-restart {helper-only | nsf [restart-time | stale-entry-time]}
Parameters
priority-value Enter a number. Preference is given to larger/higher number.
Range: 0 to 4294967294
Default: 1
Version 8.3.19.0 Introduced on S4820T
Version 8.3.7.0 Introduced on S4810
Version 8.1.1.0 Introduced on E-Series ExaScale
Version 7.8.1.0 Introduced on C-Series on port-channels and S-Series
ipv6
Enter this keyword to enable graceful-restart for IPv6 Multicast Routes.
helper-only
Enter the keyword helper-only to configure as a receiver (helper) only by
preserving the PIM status of a graceful restart PIM neighboring router.
nsf
Enter the keyword nfs to configure the Non-stop Forwarding capability.
restart-time
(OPTIONAL) Enter the keyword restart-time followed by the number of
seconds estimated for the PIM speaker to restart.
Range: 30 to 300 seconds
Default: 180 seconds
stale-entry-time
(OPTIONAL) Enter the keyword stale-entry-time followed by the
number of seconds for which entries are kept alive after restart.
Range: 30 to 300 seconds
Default: 60 seconds