Cisco SF500-24 Administration Manual page 294

Multicast
Configuring IGMP Snooping
STEP 4
Cisco 500 Series Stackable Managed Switch Administration Guide Release 1.3
There can be only one IGMP Querier in a network. The device supports
standards-based IGMP Querier election. Some of the values of the operational
parameters of this table are sent by the elected querier. The other values are
derived from the device.
Enter the parameters.
• VLAN ID—Select the VLAN ID on which IGMP snooping is defined.
• IGMP Snooping Status—Enable or disable the monitoring of network traffic
for the selected VLAN.
• 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 if this
device is the elected querier.
• Operational Query Robustness—Displays the robustness variable sent by
the elected querier.
• Query Interval—Enter the interval between the General Queries to be used
if this device is the elected querier.
• 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 device assumes there are no more members for the
group, if the device is the elected querier.
• 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 device cannot read Max Response Time value from group-
specific queries sent by the elected querier.
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