display mld ssm-mapping

Function

The display mld ssm-mapping command displays configured Source-Specific Multicast (SSM) mappings and check whether an interface is enabled with the Multicast Listener Discovery (MLD) SSM mapping function.

Format

display mld ssm-mapping interface [ interface-type interface-number | interface-name ]

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

Parameters

Parameter	Description	Value
interface-name	Specifies the name of an interface.	-
vpn-instance instance-name	Specifies the name of a VPN instance.	The value is a string of 1 to 31 case-sensitive characters, spaces not supported. In addition, the VPN instance name must not be _public_. When double quotation marks are used around the string, spaces are allowed in the string.
all-instance	Specifies all VPN instance.	-
interface interface-type interface-number	Specifies the type and number of an interface.	-

Views

All views

Default Level

1: Monitoring level

Task Name and Operations

Task Name	Operations
igmp	read

Usage Guidelines

Usage Scenario

When running display mld ssm-mapping command, note the following points,if interface is specified, the command output shows whether the specified interface is enabled with the MLD SSM mapping function.

Example

The actual command output varies according to the device. The command output here is only an example.

# Display information about interfaces configured with SSM mapping.

<HUAWEI> display mld ssm-mapping interface
Interface information of VPN-Instance: public net
GigabitEthernet0/1/0(FE80::1)

**Table 1** Description of the **display mld ssm-mapping** command output
Item	Description
Interface information of VPN-Instance	VPN instance to which an interface configured with SSM mapping belongs.
GigabitEthernet0/1/0(FE80::1)	Interface type and number (IP address).