3Com Switch 7750 Configuration Guide Guide

Displaying IGMP 417
When the suppression on IGMP host report packets is enabled, the Layer 3 switch
will receive only the first IGMP host report packet from the hosts in a multicast
group and drop the other IGMP host report packets from the multicast group.
Removing the Joined
IGMP Groups from the
Interface
You can remove all the joined IGMP groups on all ports of the router or all the
joined IGMP groups on the specified interfaces, or remove a specified IGMP group
address or group address network segment on the specified interface.
c
CAUTION: When an IGMP group is removed from an interface, the IGMP group
can join the group again.
Displaying IGMP After completing the above configurations, you can execute the display
command to verify the configuration by checking the displayed information.
Table 334 Configure suppression on IGMP host report packets
Operation Command Description
Enter system view system-view -
Configure suppression on
IGMP host report packets
igmp report-aggregation
Required
By default, the suppression on
IGMP host report packets is
disabled.
Table 335 Remove the joined IGMP groups from the interface
Operation Command Description
Remove the joined IGMP
groups from the interface
reset igmp group { all |
interface interface-type
interface-number { all |
group-address [ group-mask ]
} }
Optional
Table 336 Display IGMP
Operation Command Description
Display the membership
information of the IGMP
multicast group
display igmp group [
group-address | interface
interface-type
interface-number ]
You can execute the display
command in any view.
Display the IGMP
configuration and running
information of the interface
display igmp interface [
interface-type
interface-number ]