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User’s Manual of GS-5220-16S8C & GS-5220-16S8CR

4.8.5 IGMP Snooping VLAN Configuration

Each Page shows up to 99 entries from the VLAN table, default being 20, selected through the "entries per Page" input field.

When first visited, the web Page will show the first 20 entries from the beginning of the VLAN Table. The first displayed will be

the one with the lowest VLAN ID found in the VLAN Table.

The "VLAN" input fields allow the user to select the starting point in the VLAN Table. The IGMP Snooping VLAN Configuration

screen in Figure 4-8-8 appears.

Figure 4-8-8: IGMP Snooping VLAN Configuration Page Screenshot

The Page includes the following fields:

Object Description

 Delete

Check to delete the entry. The designated entry will be deleted during the next

save.

 VLAN ID

The VLAN ID of the entry.

 IGMP Snooping Enable

Enable the per-VLAN IGMP Snooping. Only up to 32 VLANs can be selected.

 Querier Election

Enable the IGMP Querier election in the VLAN. Disable to act as an IGMP

Non-Querier.

 Querier Address

Define the IPv4 address as source address used in IP header for IGMP Querier

election.

■

When the Querier address is not set, system uses IPv4 management

address of the IP interface associated with this VLAN.

■ When the IPv4 management address is not set, system uses the first

available IPv4 management address. Otherwise, system uses a

pre-defined value.

By default, this value will be 192.0.2.1

 Compatibility

Compatibility is maintained by hosts and routers taking appropriate actions

depending on the versions of IGMP operating on hosts and routers within a

network. The allowed selection is IGMP-Auto, Forced IGMPv1, Forced

IGMPv2, Forced IGMPv3.

Default compatibility value is IGMP-Auto.

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