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Function: Specify static multicast router port in the VLAN; the “no ip igmp snooping
vlan <vlan-id> mrouter” command deletes multicast router port.
Parameter: <vlan-id> is the specified VLAN number; <interface –name> is the specified
multicast router port number.
Command mode: Global Mode
Default: No M-Router port is set in the default VLAN.
Usage Guide: M-Router port must be set in a VLAN enabled IGMP Snooping, or the
IGMP packet will be discarded so that IGMP Snooping cannot be performed
in the specified VLAN.
Example: Set port 1/6 of VLAN 100 to be the M-Router port.
Switch(Config)#ip igmp snooping vlan 100 mrouter interface ethernet 1/6
7.2.2.4 ip igmp snooping vlan static
Command: ip igmp snooping vlan <vlan-id> static <multicast-ip-addr> interface
<interface –name>
no ip igmp snooping vlan <vlan-id> static <multicast-ip-addr>
Function: Enable the IGMP Snooping static multicast group membership: the “no ip
igmp snooping vlan <vlan-id> static <multicast-ip-addr>” command
disables the function.
Parameter: <mac-id> stands for the specified VLAN number; <multicast-ip-addr> for
multicast MAC address; <interface-name> for multicast group member
port. .
Command mode: Global Mode
Default: No static multicast group is set by default.
Usage Guide: If the static multicast address to be added exists and is a dynamic address,
the static address overwrites the dynamic one.
Example: Create a new static multicast address 224.1.1.1 in VLAN 100 and include port
1/6 in the group.
Switch(Config)#ip igmp snooping vlan 100 static 224.1.1.1 interface ethernet 1/6
Delete static multicast address 224.1.1.1 in VLAN 100.
Switch(Config)#no ip igmp snooping vlan 100 static 224.1.1.1
7.2.2.5 ip igmp snooping vlan immediate-leave
Command: ip igmp snooping vlan <vlan-id> immediate-leave
no ip igmp snooping vlan <vlan-id> immediate-leave
Function: Enable the IGMP fast leave function for the specified VLAN: the “no ip igmp