Cisco Cisco IOS Software Release 12.0(22)S

To display active rendezvous points (RPs) that are cached with associated multicast routing entries, use 
the show ip pim rp EXEC command.

show ip pim rp [mapping | metric] [rp-address]

If no RP is specified, all active RPs are displayed.

EXEC

The following is sample output of the show ip pim rp command:

Router# show ip pim rp

Group:227.7.7.7, RP:10.10.0.2, v2, v1, next RP-reachable in 00:00:48

The following is sample output of the show ip pim rp command when the mapping keyword is 
specified:

Router# show ip pim rp mapping

PIM Group-to-RP Mappings

This system is an RP (Auto-RP)

This system is an RP-mapping agent

Group(s) 227.0.0.0/8

RP 10.10.0.2 (?), v2v1, bidir

Info source:10.10.0.2 (?), via Auto-RP

Uptime:00:01:42, expires:00:00:32

Group(s) 228.0.0.0/8

RP 10.10.0.3 (?), v2v1, bidir

Info source:10.10.0.3 (?), via Auto-RP

Uptime:00:01:26, expires:00:00:34

Group(s) 229.0.0.0/8

(Optional) Displays all group-to-RP mappings of which the router is aware 
(either configured or learned from Auto-RP).

(Optional) Displays the unicast routing metric to the RPs configured statically 
or learned via Auto-RP or bootstrap router (BSR).

(Optional) RP IP address.

10.2

This command was introduced.

12.1(2)T

The metric keyword and rp-address argument were added.

12.0(18)ST

This command was integrated into Cisco IOS Release 12.0(18)ST.

12.0(22)S

This command was integrated into Cisco IOS Release 12.0(22)S.