Cisco 500 series Administration Manual page 267

Configuring Multicast Forwarding
Configuring IGMP Snooping
STEP 3
STEP 4
Cisco 500 Series Stackable Managed Switch Administration Guide
When IGMP Snooping is enabled globally, the device monitoring network traffic
can determine which hosts have requested to receive Multicast traffic.
The switch only performs IGMP Snooping if both IGMP snooping and Bridge
Multicast filtering are enabled.
Select a VLAN, and click Edit. The
There can be only one IGMP Querier in a network. The switch 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 switch.
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
switch 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 switch 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 switch assumes there are no more members for the
group, if the switch is the elected querier.
Edit IGMP Snooping
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