System information

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Configuring Advanced Features
Multimedia Traffic Control with IP Multicast (IGMP)
Configuring Advanced
Features
HP2512> show ip igmp config Show command to display
results of above high-priority
commands.
Configuring the Querier Function. The default querier function is
“enabled”. This command disables or re-enables the querier function.
Syntax: [no] vlan <vid> ip igmp querier
Default: Yes
HP2512(config)# no vlan 1 ip Disables the querier function
igmp querier on VLAN 1.
HP2512> show ip igmp config Show command to display
results of above querier
command.
Web: Enabling or Disabling IGMP
In the web browser interface you can enable or disable IGMP on a per-VLAN
basis. To configure other IGMP features, telnet to the switch console and use
the CLI.
To Enable or Disable IGMP
1. Click on the Configuration tab.
2. Click on [Device Features].
3. If more than one VLAN is configured, use the VLAN pull-down menu to
select the VLAN on which you want to enable or disable IGMP.
4. Use the Multicast Filtering (IGMP) menu to enable or disable IGMP.
5. Click on [Apply Changes] to implement the configuration change.
For web-based help on how to use the web browser interface screen, click on
the [?] button provided on the web browser screen.
How IGMP Operates
The Internet Group Management Protocol (IGMP) is an internal protocol of
the Internet Protocol (IP) suite. IP manages multicast traffic by using
switches, multicast routers, and hosts that support IGMP. (In Hewlett-Pack-
ard’s implementation of IGMP, a multicast router is not necessary as long as