• Change the interval at which a router sends hello messages.INTERFACE modeip pim query-interval seconds• Display the current value of these parameter.EXEC Privilege modeshow ip pim interfaceCreating Multicast Boundaries and DomainsA PIM domain is a contiguous set of routers that all implement PIM and are configured to operate within a common boundarydefined 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. Thefollowing 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-mappingEnabling PIM-SM Graceful RestartTo enable PIM-SM graceful restart, use the following commands.• Enable PIM-SM graceful restart (non-stop forwarding capability).CONFIGURATION modeip 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 arestarting neighbor. The default value is 60 seconds.– (option) helper-only: this mode takes precedence over any graceful restart configuration.NOTE: In helper-only mode, the system preserves the PIM states of a neighboring router while the neighborgracefully restarts, but the Dell Networking system allows itself to be taken off the forwarding path if it restarts.Enter an example that illustrates the current task (optional).Enter the tasks the user should do after finishing this task (optional).PIM Sparse-Mode (PIM-SM) 539
