display mld ssm-mapping group

Function

The display mld ssm-mapping group 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 group [ ipv6-group-address ]

display mld { vpn-instance instance-name | all-instance } ssm-mapping group [ ipv6-group-address ]

Parameters

Parameter	Description	Value
ipv6-group-address	Specifies an IPv6 multicast group address.	The value ranges from FF00::0 to FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF, in hexadecimal notation.
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.	-

Parameter

Description

Value

ipv6-group-address

Specifies an IPv6 multicast group address.

The value ranges from FF00::0 to FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF, in hexadecimal notation.

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.

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,If group SsmappingGrpAddr is specified, only SSM mappings related to a specified group are displayed.

Example

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

# Display the SSM mappings of all source/group addresses in the public network instance.

<HUAWEI> display mld ssm-mapping group
MLD SSM-Mapping conversion table of VPN-Instance: public net
 Total 3 entries, 3 entries matched

 00001 . (2001:db8:1::1, FF37::)

 00002 . (2001:db8:1::2, FF37::)

 00003 . (2001:db8:1::3, FF37::1)

**Table 1** Description of the **display mld ssm-mapping group** command output
Item	Description
MLD SSM-Mapping conversion table of VPN-Instance	VPN instance to which the MLD SSM mapping conversion table belongs.
Total 3 entries	Number of multicast entries configured with SSM mappings.
3 entries matched	Number of SSM mapping entries matching the query conditions.
(2001:db8:1::1, FF37::)	Number of an (S, G) entry.