Concept Guide

CONFIGURATION mode
{ip | ipv6} multicast-routing [vrf vrf-name]
Related Conguration Tasks
The following are related PIM-SM conguration tasks.
• Conguring S,G Expiry Timers
• Conguring a Static Rendezvous Point
• Conguring a Designated Router
• Creating Multicast Boundaries and Domains
Enable PIM-SM
You must enable PIM-SM on each participating interface.
1 Enable IPv4 or IPv6 multicast routing on the system.
CONFIGURATION mode
{ip | ipv6} multicast-routing [vrf vrf-name]
2 Enable PIM-Sparse mode.
INTERFACE mode
{ip | ipv6} pim sparse-mode
Examples of Viewing PIM-SM Information
To display which interfaces are enabled with PIM-SM, use the show {ip | ipv6} pim interface command from EXEC Privilege
mode.
Following is an example of show ip pim interface command output:
DellEMC#show ip pim interface
Address Interface Ver/ Nbr Query DR DR
Mode Count Intvl Prio
165.87.34.5 Te 1/10 v2/S 0 30 1 165.87.34.5
10.1.1.2 Vl 10 v2/S 1 30 1 10.1.1.2
20.1.1.5 Vl 20 v2/S 1 30 1 20.1.1.5
165.87.31.200 Vl 30 v2/S 1 30 1 165.87.31.201
Following is an example of show ipv6 pim interface command output:
DellEMC#show ipv6 pim interface
Interface Ver/ Nbr Query DR
Mode Count Intvl Prio
Te 1/1 v2/S 1 30 101
Address : fe80::4e76:25ff:fee5:32c2
DR : this router
Te 1/2 v2/S 1 30 100
Address : fe80::4e76:25ff:fee5:32c2
DR : this router
Te 1/3 v2/S 0 30 1
Address : fe80::4e76:25ff:fee5:32c2
DR : this router
NOTE
: You can inuence the selection of the Rendezvous Point by enabling PIM-Sparse mode on a Loopback interface and
assigning a low IP address.
734 PIM Sparse-Mode (PIM-SM)