Configuring Switching Information 415
•
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 MLD queries sent on the VLAN.
•
Operational State
— Displays the operational state of the MLD 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.
–
Disabled
— The Snooping Querier is not operational on the VLAN. The Snooping Querier
transitions to disabled mode when 1) MLD Snooping is not operational on the VLAN, 2) the
querier address is not configured or 3) the network management address is not configured.
•
Operational Version
— Displays the operational MLD protocol version of the querier.
•
Last Querier Address
— Displays the IP address of the last querier from which a query was snooped on
the VLAN.
•
Last Querier Version
— Displays the MLD protocol version of the last querier from which a query was
snooped on the VLAN.
•
Operational Max Response Time
— Displays the maximum response time to be used in the queries
that are sent by the Snooping Querier.
Viewing VLAN Querier Status with CLI Commands
For information about the CLI commands that perform this function, see the following chapter in the
CLI Reference Guide:
• IPv6 MLD Snooping Querier Commands
The following table summarizes the equivalent CLI commands for this feature.
MFDB MLD Snooping Table
Use the MFDB MLD Snooping Table page to view the MFDB MLD Snooping Table settings for
individual VLANs.
Table 7-48. IPv6 Command
CLI Command Description
show ipv6 mld snooping querier Displays MLD Snooping Querier information.
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