display igmp ssm-mapping

Function

The display igmp ssm-mapping command displays configuration of IGMP SSM mapping.

Format

display igmp [ vpn-instance vpn-instance-name | all-instance ] ssm-mapping { group [ group-address ] | interface [ interface-type interface-number ] }

Parameters

Parameter	Description	Value
vpn-instance vpn-instance-name	Displays SSM mapping entries in a specified VPN instance.	The value must be an existing VPN instance name.
all-instance	Displays SSM mapping entries in all instances.	-
group [ group-address ]	Displays the SSM mapping entries of a specified group. If group-address is not specified, the command displays SSM mapping entries of all groups.	The value ranges from 224.0.1.0 to 239.255.255.255, in dotted decimal notation.
interface [ interface-type interface-number ]	Displays whether SSM mapping is enabled on a specified interface. If interface-type interface-number is not specified, the command displays all the interfaces that are in Up state and have SSM mapping enabled.	-

Views

All views

Default Level

1: Monitoring level

Usage Guidelines

This command displays mapping between multicast groups and multicast sources configured using the ssm-mapping command. You can also use this command to check the SSM mapping configuration on an interface. To enable SSM mapping on an interface, run the igmp ssm-mapping enable command in the interface view.

Example

# Display SSM mapping entries of all the multicast sources and multicast groups.

<HUAWEI> display igmp ssm-mapping group 
IGMP SSM-Mapping conversion table
 Total 2 entries    2 entries matched

 00001. (10.1.0.2, 225.1.1.0/24)

 00002. (10.1.0.2, 239.255.255.0/24)

 Total 2 entries matched

**Table 1** Description of the **display igmp ssm-mapping group** command output
Item	Description
IGMP SSM-Mapping conversion table	IGMP SSM mapping table.
Total 2 entries 2 entries matched	Total number of SSM mapping entries and total number of entries matching the query conditions.
00001. (10.1.0.2, 225.1.1.0/24) 00002. (10.1.0.2, 239.255.255.0/24)	Number of an (S, G) entry.
Total 2 entries matched	Number of SSM mapping entries matching the query conditions.

# Display whether IGMP SSM mapping is enabled on VLANIF100.

<HUAWEI> display igmp ssm-mapping interface vlanif 100
IGMP SSM-Mapping is enabled

**Table 2** Description of the display igmp ssm-mapping interface vlanif 100 command output
Item	Description
IGMP SSM-Mapping is enabled	SSM mapping is enabled on the interface.