261
EES4710BD 10 Slots L2/L3/L4 Chassis Switch
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Ethernet1/4 MEMBERS_PRESENT Snoop_Group_Addr 239.255.48.189 0
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Ethernet1/5 MEMBERS_PRESENT Snoop_Group_Addr 239.255.40.179 0
MEMBERS_PRESENT Snoop_Group_Addr 239.255.48.189 0
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Displayed information Explanation
igmp snooping status Whether “igmp snooping” function is enabled.
igmp snooping vlan status “igmp snooping” status of the VLAN (enabled or not)
igmp snooping vlan query “igmp query” status of the VLAN (enabled or not)
igmp snooping vlan mrouter port M-Router port number (if any) of the VLAN
igmp snooping vlan mrouter state All M-Router port (if any) status of all VLANs in the switch, this
will not be displayed if no M-Router port is specified
igmp snooping vlan mrouter
present
Whether query packets present in the M-Router
igmp snooping vlan query TX Query packet number sent by the VLAN
igmp snooping vlan query SX Query packet number received by the VLAN
igmp snooping multicast mac Multicast addresses learnt by the IGMP Snooping forward table.
igmp snooping multicast port The member port name corresponding to each multicast MAC
address in the IGMP Snooping forward table.
11.4.1.2 show mac-address-table multicast
Command: show mac-address-table multicast [vlan <vlan-id>]
Function: Displays information for the multicast MAC address table.
Parameters: <vlan-id> is the VLAN ID to be included in the display result.
Command mode: Admin Mode
Default: Multicast MAC address-port mapping is not displayed by default.
Usage Guide: This command can be used to display the multicast MAC address table for the
current switch.
Example: Displaying the multicast mapping for VLAN100.
Switch#show mac-address-table multicast vlan 100
Vlan Mac Address Type Ports
---- --------------------------- ------- -------------------------------------
100 01-00-5e-01-01-01 MULTI IGMP Ethernet1/2
11.4.1.3 debug igmp snooping
Command: debug ip igmp snooping
no debug ip igmp snooping
Function: Enables the IGMP Snooping debug function; the “ no debug ip igmp snooping”