115 | SMC Networks SMC8612XL3 F 1.0.1.3 specification

MULTICAST FILTERING COMMANDS

Command Mode

Normal Exec, Privileged Exec

Command Usage

•This command displays information for multicast groups learned via IGMP, not static groups.

•If the switch receives an IGMP Version 1 Membership Report, it sets a timer to note that there are Version 1 hosts present which are members of the group for which it heard the report.

•If there are Version 1 hosts present for a particular group, the switch will ignore any Leave Group messages that it receives for that group.

Example

The following shows the IGMP groups currently active on VLAN 1:

Console#show ip igmp groups vlan 1

GroupAddress InterfaceVlan Lastreporter Uptime Expire V1Timer

--------------- --------------- --------------- -------- -------- ---------

234.5.6.8	1	10.1.5.19	7068	220	0
Console#

Field	Description

GroupAddres	IP multicast group address with subscribers directly attached or
s	downstream from this switch.

InterfaceVlan	The interface on this switch that has received traffic directed to the
	multicast group address.

Lastreporter	The IP address of the source of the last membership report received for this
	multicast group address on this interface. If no membership report has
	been received, this object has the value 0.0.0.0.

Uptime	The time elapsed since this entry was created.

Expire	The time remaining before this entry will be aged out. (The default is 260
	seconds.)

V1Timer	The time remaining until the switch assumes that there are no longer any
	IGMP Version 1 members on the IP subnet attached to this interface. (The
	default is 400 seconds.)

-115

SMC8612XL3 F 1.0.1.3 specifications

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SMC Networks SMC8612XL3 F 1.0.1.3 115, Following shows the Igmp groups currently active on Vlan

Models: SMC8612XL3 F 1.0.1.3