Reference Guide

PIM-Sparse Mode (PIM-SM) | 1101
Defaults
Not configured.
Command Modes
CONFIGURATION
Command
History
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
Version 7.8.1.0 Introduced on S-Series
Version 6.1.1.0 Added support for VLAN interface
priority-value
Enter a number. Preference is given to larger/higher number.
Range: 0 to 4294967294
Default: 1
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.