Example 6 Displaying IGMP groups address information
HP Switch(vlan-2)# show ip igmp groups
IGMP Group Address Information
VLAN ID Group Address Expires UpTime Last Reporter | Type
------- ------------- --------- ---------- ------------- + ------
22 239.20.255.7 1h 2m 5s 1h 14m 5s 192.168.0.2 | Filter
22 239.20.255.8 1h 2m 5s 1h 14m 5s 192.168.0.2 | Standard
22 239.20.255.9 1h 2m 5s 1h 14m 5s 192.168.0.2 | Static
Viewing IGMP group information for a VLAN with a filtered address
Syntax:
show ip igmp vlan <vid> group <ip-addr>
Example 7 Group information for a VLAN with a filtered address group
HP Switch(config)# show ip igmp vlan 22 group 239.20.255.7
IGMP Service Protocol Group Info
VLAN ID: 22
VLAN NAME: VLAN-2
Filtered Group Address: 239.20.255.7
Last Reporter: 192.168.0.2
Up Time: 1 hr 14 min 5 sec
Port| Port Type | Port Mode | Expires | Access
----+---------------+ ----------+--------------------------------
A1 | 100/1000T | Auto | 1hr 2min 5sec | Host
Enabling or disabling IGMP on a VLAN
You can enable IGMP on a VLAN, along with the last-saved or default IGMP configuration
(whichever was most recently set), or you can disable IGMP on a selected VLAN.
Syntax:
[no] ip igmp
Enables IGMP on a VLAN. This command must be executed in a VLAN context.
Example 8 Enabling IGMP on VLAN 1
HP Switch(vlan-1)# vlan 1 ip igmp
– or –
HP Switch(vlan-1)# ip igmp
Example 9 Disabling IGMP on VLAN 1
HP Switch(config)# no vlan 1 ip igmp
NOTE: If you disable IGMP on a VLAN and then later re-enable IGMP on that VLAN, the switch
restores the last-saved IGMP configuration for that VLAN. For more information on how switch
memory operates, see the chapter "Switch Memory and Configuration" in the Management and
Configuration Guide for your switch.
12 Multimedia Traffic Control with IP Multicast (IGMP)
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