Cisco Catalyst 3650

PurposeCommand
Displays whether a multicast group supports SSM
service or whether a source-specific host report was
received.
show ip mroute
Monitoring SSM Mapping
Use the privileged EXEC commands in the following table to monitor SSM mapping.
Table 19: SSM Mapping Monitoring Commands
PurposeCommand
Displays information about SSM mapping.show ip igmp ssm-mapping
Displays the sources that SSM mapping uses for
a particular group.
show ip igmp ssm-mapping group-address
Displays the multicast groups with receivers that
are directly connected to the router and that were
learned through IGMP.
show ip igmp groups [group-name | group-address |
interface-type interface-number] [detail]
Displays the default domain name, the style of
name lookup service, a list of name server hosts,
and the cached list of hostnames and addresses.
show host
Displays the IGMP packets received and sent and
IGMP host-related events.
debug ip igmp group-address
Configuration Examples for Source Specific Multicast
SSM with IGMPv3 Example
The following example shows how to configure a router (running IGMPv3) for SSM:
ip multicast-routing
!
interface GigabitEthernet3/1/0
ip address 172.21.200.203 255.255.255.0
description backbone interface
ip pim sparse-mode
!
interface GigabitEthernet3/2/0
ip address 131.108.1.2 255.255.255.0
ip pim sparse-mode
description ethernet connected to hosts
ip igmp version 3
IP Multicast Routing Configuration Guide, Cisco IOS XE Release 3SE (Catalyst 3650 Switches)
246 OL-29890-01
Configuring SSM
Monitoring SSM Mapping