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Configuring Advanced Features
Multimedia Traffic Control with IP Multicast (IGMP)
Configuring Advanced
Features
Figure 9-66. Example Listing of IGMP Configuration for A Specific VLAN
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. Note
that this command must be executed in a VLAN context.
Syntax: [no] ip igmp
For example, here are methods to enable and disable IGMP on the default
VLAN (VID = 1).
HP2512(config)# vlan 1 ip igmp Enables IGMP on VLAN 1.
HP2512(vlan-1)# ip igmp Same as above.
HP2512(config)# no vlan 1 ip igmp Disables IGMP on VLAN 1.
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
on how switch memory operates, see appendic C, “Switch Memory and
Configuration”.
You can also combine the ip igmp command with other IGMP-related com-
mands, as described in the following sections.
IGMP Configuration
for the Selected
VLAN
IGMP Configuration
On the Individual
Ports in the VLAN