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Configuring Switching Information 367
VLAN Querier Status
Use the VLAN Querier Status page to view the IGMP Snooping Querier settings for individual VLANs.
To displ ay t he VLAN Querier Status page, click Switching > Multicast Support > IGMP Snooping >
VLAN Querier Status in the tree view.
Figure 7-83. IGMP Snooping VLAN Querier Status
The VLAN Querier Status page contains the following fields:
•
VLAN ID
— Identifies the VLAN.
•
VLAN Mode
— Shows whether the IGMP Snooping Querier is enabled or disabled on the VLAN.
•
Querier Election Participate Mode
— Shows whether the mode is enabled or disabled. When this
mode is disabled, upon seeing another querier of same version in the VLAN, the Snooping Querier
transitions to non-querier state. When this mode is enabled, the Snooping Querier participates in
querier election, where in the lowest IP address wins the querier election and operates as the querier in
that VLAN. The other querier transitions to non-querier state.
•
Snooping Querier VLAN Address
— Identifies the Snooping Querier address to be used as source
address in periodic IGMP queries sent on the VLAN.
•
Operational State
— Displays the operational state of the IGMP Snooping Querier on the specified
VLAN. It can be in any of the following states:
–
Querier
— The Snooping switch that is the Querier in the VLAN. The Snooping switch will send
out periodic queries with a time interval equal to the configured querier Query Interval. If the
Snooping switch sees a better querier in the VLAN, it transitions to non-querier mode.
–
Non-Querier
— The Snooping switch is in Non-Querier mode in the VLAN. If the querier Expiry
Interval timer is expires, the Snooping switch will transition into querier mode.