Reference Guide

Version Description
8.1.1.0 Introduced on the E-Series ExaScale.
7.8.1.0 Introduced on the C-Series on port-channels and the S-
Series.
Usage Information The router with the largest value assigned to an interface becomes the designated
router. If two interfaces contain the same designated router priority value, the
interface with the largest interface IP address becomes the designated router.
ip pim graceful-restart
This feature permits configuration of non-stop forwarding (NSF 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
ipv6 Enter the keyword ipv6 to enable graceful-restart for the
IPv6 multicast routes.
helper-only Enter the keywords 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 nsf to configure the non-stop
forwarding capability.
restart-time (OPTIONAL) Enter the keywords restart-time followed
by the number of seconds estimated for the PIM speaker to
restart. The range is 30 to 300 seconds. The default is 180
seconds.
stale-entry-time (OPTIONAL) Enter the keywords stale-entry-time
followed by the number of seconds for which entries are
kept alive after restart. The range is 30 to 300 seconds. The
default is 60 seconds.
Defaults as above
Command Modes CONFIGURATION
Command History
This guide is platform-specific. For command information about other platforms,
refer to the relevant Dell Networking OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
Version Description
9.9(0.0) Introduced on the C9010.
8.2.1.0 Introduced on the E-Series ExaScale. Added the ipv6
option for the E-Series.
PIM-Sparse Mode (PIM-SM)
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