display igmp ssm-mapping interface
Function
The display igmp ssm-mapping interface command displays configured source-specific multicast (SSM) mappings and whether SSM mapping is enabled on an interface.
Parameters
| Parameter | Description | Value |
|---|---|---|
| interface-name |
Specifies the name of an interface. |
- |
| vpn-instance vpn-instance-name |
Displays SSM mappings in a specified VPN instance. vpn-instance-name specifies the name of a VPN instance. |
The value is a string of case-sensitive characters. |
| all-instance |
Displays SSM mappings in all instances. |
- |
| interface interface-type interface-number |
Displays whether SSM mapping is enabled on an interface. interface-type interface-number specifies the type and number of an interface. |
- |
Usage Guidelines
Usage Scenario
By default, SSM group addresses range from 232.0.0.0 to 232.255.255.255. If SSM group addresses beyond this range are configured using the ssm-policy command and static SSM mapping rules are configured using the ssm-mapping command.
Before using the display igmp ssm-mapping command, note the following:- If neither vpn-instance nor all-instance is specified, the command displays SSM mappings in the public network instance.
- If group-address is specified, the command displays SSM mappings of the specified group.
- If interface is specified, the command displays whether SSM mapping is enabled on the specified interface.
Example
The actual command output varies according to the device. The command output here is only an example.
<HUAWEI> display igmp ssm-mapping interface gigabitethernet 0/1/1 IGMP SSM-Mapping is enabled
| Item | Description |
|---|---|
| IGMP SSM-Mapping is enabled | Indicates that SSM mapping is enabled on an interface. |