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snooping vlan <vlan-id> immediate-leave” command disables the IGMP fast
leave function.
Parameter: <vlan-id> is the VLAN number specified.
Command mode: Global Mode
Default: This function is disabled by default.
Usage Guide: Enabling IGMP fast leave function speeds up the process for port to leave
multicast group. This command is valid only in Snooping, and is not
applicable to Query.
Example: Enable the IGMP fast leave function for VLAN 100.
Switch(Config)#ip igmp snooping vlan 100 immediate-leave
7.2.2.6 ip igmp snooping vlan query
Command: ip igmp snooping vlan <vlan-id> query
no ip igmp snooping vlan <vlan-id> query
Function: Enable the IGMP Query function for the specified VLAN: the “no ip igmp
snooping vlan <vlan-id> query” command disables the Query function.
Parameter: <vlan-id> is the VALN number specified.
Command mode: Global Mode
Default: IGMP Query is disabled by default.
Usage Guide: Before enabling the IGMP Query function for the specified VLAN, the
switch must have a corresponding VLAN configured and IGMP Snooping
enabled. It should be noted that this command cannot be used with ip igmp
snooping vlan <vlan-id> command, i.e. either snooping or query can be
enabled for one VLAN, but not both.
Example: Enable the IGMP Query function for VLAN 100.
Switch(Config)#ip igmp snooping vlan 100 query
7.2.2.7 ip igmp snooping vlan query robustness
Command: ip igmp snooping vlan <vlan-id> query robustness
<robustness-variable>
no ip igmp snooping vlan <vlan-id> query robustness
Function: Enable the IGMP Query function for the specified VLAN: the “no ip igmp
snooping vlan <vlan-id> query robustness” command restores the default
setting.
Parameter: <vlan-id> is the specified VLAN number; <robustness-variable> is
robustness parameter, the valid range is 2 to 10.
Command mode: Global Mode
Default: The default robustness parameter is 2.