Mfdb Igmp Snooping Table - Dell PowerConnect 8024 User Manual

VLAN Mode — Shows whether the IGMP Snooping Querier is enabled or disabled on the VLAN.
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• 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
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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
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transitions to disabled mode when 1) IGMP 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 IGMP 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 IGMP 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
See "Configuring IGMP Snooping Querier Settings with CLI Commands" on page 383.

MFDB IGMP Snooping Table

Use the MFDB IGMP Snooping Table page to view the MFDB IGMP Snooping Table and Forbidden
Ports settings for individual VLANs.
To display the MFDB IGMP Snooping Table page, click Switching → Multicast Support → IGMP
Snooping → MFDB IGMP Snooping Table in the tree view.
Configuring Switching Information
387