R21xx-HP FlexFabric 11900 IP Multicast Command Reference
44
IGMP commands
The term "interface" in the IGMP features collectively refers to Layer 3 interfaces, including VLAN
interfaces and Layer 3 Ethernet interfaces. You can set an Ethernet port as a Layer 3 interface by using
the port link-mode route command (see Layer 2—LAN Switching Configuration Guide).
display igmp group
Use display igmp group to display IGMP group information.
Syntax
display igmp group [ group-address | interface interface-type interface-number ] [ static | verbose ]
Views
Any view
Predefined user roles
network-admin
network-operator
Parameters
group-address: Specifies a multicast group by its address, in the range of 224.0.1.0 to 239.255.255.255.
If no multicast group is specified, the command displays information about all IGMP groups.
interface interface-type interface-number: Specifies an interface by its type and number. If no interface
is specified, the command displays the IGMP group information on all interfaces.
static: Specifies IGMP groups that the interface has statically joined. If this keyword is not specified, the
command displays information about the IGMP groups that the interface has dynamically joined.
verbose: Displays detailed information about IGMP groups.
Examples
# Display information about all IGMP groups that the interfaces have dynamically joined.
<Sysname> display igmp group
IGMP groups in total: 3
Vlan-interface1(10.10.1.20):
IGMP groups reported in total: 3
Group address Last reporter Uptime Expires
225.1.1.1 10.10.1.10 00:02:04 00:01:15
225.1.1.3 10.10.1.10 00:02:04 00:01:15
225.1.1.2 10.10.1.10 00:02:04 00:01:17
# Display detailed information about the IGMP group 225.1.1.1 that the interfaces have dynamically
joined.
<Sysname> display igmp group 225.1.1.1 verbose
Vlan-interface1(10.10.1.20):
IGMP groups reported in total: 3
Group: 225.1.1.1
Uptime: 00:00:34










