Administrator Guide

show ip pim interface
Creating Multicast Boundaries and
Domains
A PIM domain is a contiguous set of routers that all implement PIM and are configured to operate within a
common boundary defined by PIM multicast border routers (PMBRs).
PMBRs connect each PIM domain to the rest of the Internet.
Create multicast boundaries and domains by filtering inbound and outbound bootstrap router (BSR) messages
per interface. The following command is applied to the subsequent inbound and outbound updates. Timeout
removes existing BSR advertisements.
• Create multicast boundaries and domains by filtering inbound and outbound BSR messages per interface.
ip pim bsr-border
• Remove candidate RP advertisements.
clear ip pim rp-mapping
Enabling PIM-SM Graceful Restart
To enable PIM-SM graceful restart, use the following commands.
• Enable PIM-SM graceful restart (non-stop forwarding capability).
CONFIGURATION mode
ip pim graceful-restart nsf
• (option) restart-time: the time the Dell Networking system requires to restart. The default value is
180 seconds.
• (option) stale-entry-time: the maximum amount of time that the Dell Networking system
preserves entries from a restarting neighbor. The default value is
60 seconds.
• (option) helper-only: this mode takes precedence over any graceful restart configuration.
PIM Sparse-Mode (PIM-SM) 691