H3C S7500E Series Ethernet Switches Operation Manual

Operation Manual – Multicast
H3C S7500E Series Ethernet Switches Chapter 4 IGMP Configuration
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4.4.4 Configuring IGMP Fast Leave Processing
IGMP fast leave processing is implemented by IGMP Snooping. For details, see
Configuring Fast Leave Processing.
4.5 Displaying and Maintaining IGMP
To do... Use the command... Remarks
View IGMP multicast group
information
display igmp group
[ group-address | interface
interface-type interface-number ]
[ static | verbose ]
Available in
any view
View IGMP layer 2 port
information
display igmp group port-info [ vlan
vlan-id ] [ slot slot-id ] [ verbose ]
Available in
any view
View IGMP configuration
and running information
display igmp interface
[ interface-type interface-number ]
[ verbose ]
Available in
any view
View routing information in
the IGMP routing table
display igmp routing-table
[ source-address [ mask { mask |
mask-length } ] | group-address
[ mask { mask | mask-length } ] ] *
Available in
any view
Clear IGMP forwarding
entries
reset igmp group { all | interface
interface-type interface-number { all |
group-address [ mask { mask |
mask-length } ] [ source-address
[ mask { mask | mask-length } ] ] } }
Available in
user view
Clear Layer 2 port
information about IGMP
multicast groups
reset igmp group port-info { all |
group-address } [ vlan vlan-id ]
Available in
user view
 Note:
z The reset igmp group command cannot clear the IGMP forwarding entries of static
joins.
z The reset igmp group port-info command cannot clear Layer 2 port information
about IGMP multicast groups of static joins.
Caution:
The reset igmp group command may cause an interruption of receivers’ reception of
multicast data.