display igmp routing-table

Function

The display igmp routing-table command displays the IGMP routing table.

Format

display igmp [ vpn-instance vpn-instance-name | all-instance ] routing-table [ group-address [ mask { group-mask | group-mask-length } ] | source-address [ mask { source-mask | source-mask-length } ] ] ^* [ static ] [ outgoing-interface-number [ number ] ]

Parameters

Parameter	Description	Value
vpn-instance vpn-instance-name	Displays IGMP routing information in a specified VPN instance.	The value must be an existing VPN instance name.
all-instance	Displays IGMP routing information in all instances.	-
group-address	Displays IGMP routing information of a specified multicast group.	The address is in dotted decimal notation and ranges from 224.0.1.0 to 239.255.255.255.
mask	Indicates the mask of a multicast group address or a multicast source address.	-
group-mask	Specifies the mask of a multicast group address.	It is in dotted decimal notation.
group-mask-length	Specifies the mask length of a multicast group address.	The value is an integer that ranges from 4 to 32.
source-address	Displays IGMP routing information of a specified multicast source.	It is in dotted decimal notation.
source-mask	Specifies the mask of a multicast source address.	It is in dotted decimal notation.
source-mask-length	Specifies the mask length of a multicast source address.	The value is an integer that ranges from 0 to 32.
static	Displays static IGMP routing entries.	-
outgoing-interface-number	Displays the number of the outbound interfaces in IGMP routing entries.	-
number	Specifies the number of outbound interfaces. If this parameter is specified, the command displays the specified number of outbound interfaces.	The value is an integer that ranges from 1 to 2048.

Views

All views

Default Level

1: Monitoring level

Usage Guidelines

The display igmp routing-table command provides IGMP routing information. You can specify different parameters to view specific IGMP routing information and locate faults.

This command provides output information only when PIM is not enabled on the IGMP-capable interface.

Example

# Display the IGMP routing table.

<HUAWEI> display igmp routing-table
Routing table                                       
 Total 2 entries                                                                
                                                                                
 00001. (10.10.10.10, 232.1.1.3)                                                
       List of 1 downstream interface in include mode                           
        Vlanif100 (10.20.20.1),                                                  
                   Protocol: SSM-MAP                                            
                                                                                
 00002. (*, 225.1.1.1)                                                    
       List of 1 downstream interface                                           
        Vlanif100 (10.20.20.1),                                                  
                   Protocol: IGMP

**Table 1** Description of the **display igmp routing-table** command output
Item	Description
Routing table	IGMP routing table.
Total 2 entries	Total number of IGMP routing entries.
00001. (10.10.10.10, 232.1.1.3)	Entry 00001. (S, G) indicates that data is transmitted from S to G. (*, G) indicates that data is transmitted from any source to G.
List of 1 downstream interface in include mode	List of the downstream interfaces that join the multicast group in INCLUDE mode.
Vlanif100 (10.20.20.1)	Interface type and interface number (IP address).
Protocol	Protocol type, including: SSM-MAP: Entries are generated using SSM mapping. IGMP: Entries are generated using IGMP. STATIC: Entries are generated by configuring static IGMP groups.