D-Link DES-3226L Technical Information download pdf (Page 65)

Switching Commands 65

show igmpsnooping

This command displays IGMP Snooping information. Configured information is displayed whether or

not IGMP Snooping is enabled.

Format show igmpsnooping [<slot/port> | <vlanId>]

Mode Privileged EXEC

When you do not specify a parameter, the command displays the following information:

Admin Mode This indicates whether IGMP Snooping is active on the switch.

Interfaces Enabled for IGMP Snooping This is the list of interfaces on which IGMP

Snooping is enabled.

Multicast Control Frame Count This displays the number of multicast control frames

that are processed by the CPU.

VLANs Enabled for IGMP Snooping Displays the list of VLANs on which IGMP

Snooping is enabled.

When you specify the <slot/port> or VLAN ID values, the following information prints to the screen:

IGMP Snooping Admin Mode This indicates whether IGMP Snooping is active on the

specified interface or VLAN.

Fast Leave Mode Indicates whether Fast Leave mode is enabled.

Group Membership Interval Displays the amount of time in seconds that the device

waits for a report from a particular group on a particular interface before

deleting the interface from the entry.

Max Response Time Displays the amount of time the switch waits after it sends a query on

an interface, participating in the VLAN, because it did not receive a report for

a particular group on that interface.

Multicast Router Present Expiration Time Displays the amount of time to wait before

removing an interface that is participating in the VLAN from the list of inter-

faces with multicast routers attached. The interface is removed if a query is

not received.

show igmpsnooping mrouter interface

This command displays information about statically configured ports.

Format show igmpsnooping mrouter interface <slot/port>

Mode Privileged EXEC

Interface Shows the port on which multicast router information is being displayed.

Multicast Router Attached Indicates whether or not multicast router is statically enabled

on the interface.

VLAN ID Displays the list of VLANs of which the interface is a member.

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D-Link DES-3226L Technical Information Page 65