System information

Configuring Multicast Forwarding
Configuring IGMP Snooping
Cisco Small Business 200 Series Smart Switch Administration Guide 135
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• Operational IGMP Snooping Status—Displays the current status of the
IGMP Snooping for the selected VLAN.
• MRouter Ports Auto Learn—Enable or disable auto learning of the ports to
which the Mrouter is connected.
• Query Robustness—Enter the Robustness Variable value to be used.
• Operational Query Robustness—Displays the robustness variable sent by
the elected querier.
• Query Interval—Enter the interval between the General Queries to be used.
• Operational Query Interval—The time interval in seconds between General
Queries sent by the elected querier.
• Query Max Response Interval—Enter the delay used to calculate the
Maximum Response Code inserted into the periodic General Queries.
• Operational Query Max Response Interval—Displays the Query Max
Response Interval included in the General Queries sent by the elected
querier.
• Last Member Query Counter—Enter the number of IGMP Group-Specific
Queries sent before the switch assumes there are no more members for the
group.
• Operational Last Member Query Counter—Displays the operational value
of the Last Member Query Counter.
• Last Member Query Interval—Enter the Maximum Response Delay to be
used if the switch cannot read Max Response Time value from Group-
Specific queries sent by the elected querier.
• Operational Last Member Query Interval—Displays the Last Member
Query Interval sent by the elected querier.
• Immediate Leave—Enable Immediate Leave to decrease the time it takes to
block a Multicast stream sent to a member port when an IGMP Group Leave
message is received on that port.
STEP 5 Click Apply. The switch is updated.