Configuring Switching
177
S3300 Smart Managed Pro Switch
IGMP Snooping Querier VLAN Configuration
To create a new VLAN ID for IGMP snooping:
1. Select Switching> Multicast > IGMP Snooping Querier > Querier VLAN Configuration.
2. From the VLAN ID list, select New Entry and complete the following fields:
• VLAN ID. Specify the VLAN ID for which the IGMP snooping querier is to be enabled.
• Querier Election Participate Mode. Enable or disable Querier Participate Mode.
- Disabled. Upon seeing another querier of the same version in the VLAN, the
snooping querier moves to the non-querier state.
- Enabled. The snooping querier participates in querier election, in which the least
IP address operates as the querier in that VLAN. The other querier moves to
non-querier state.
• Snooping Querier VLAN Address. Specify the snooping querier IP address to be
used as the source address in periodic IGMP queries sent on the specified VLAN.
3. Click the Apply button.
IGMP Snooping Querier VLAN Status
Use this screen to view the operational state and other information for IGMP snooping
queriers for VLANs on the network.
To view operational information on IGMP snooping queriers:
Select Switching> Multicast > IGMP Snooping Querier > Querier VLAN Status.
The following table describes the information available on the Querier VLAN Status screen.
Table 62. IGMP snooping querier VLAN status
Field Description
VLAN ID Specifies the VLAN ID on which the IGMP snooping querier is administratively
enabled and for which VLAN exists in the VLAN database.
Operational State Specifies the operational state of the IGMP snooping querier on a VLAN:
• Querier. The snooping switch 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 (numerically lower) in
the VLAN, it moves to non-querier mode.
• Non-Querier. The snooping switch is in non-querier mode in the VLAN. If the
querier expiry interval timer expires, the snooping switch moves into querier
mode.
• Disabled. The snooping querier is not operational on the VLAN. The snooping
querier moves to disabled mode when IGMP snooping is not operational on the
VLAN, when the querier address is not configured, or the network management
address is not configured.
Operational Version The IGMP protocol version of the operational querier.
Last Querier Address The IP address of the last querier from which a query was snooped on the VLAN.
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