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Lantronix
SM24TBT2DPA and SM24TBT2DPB Web User Guide
2-11.1.2 VLAN Configuration
This page lets you set the VLAN configuration parameters integrated with IGMP Snooping function.
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 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 able.
The "VLAN" input fields let you select the starting point in the VLAN Table. Clicking the Refresh button will
update the displayed table starting from that or the next closest VLAN Table match.
The << will use the last entry of the currently displayed entry as a basis for the next lookup. When the end
is reached the text "
No more entries
" displays in the table. Use the > button to start over.
Web Interface
To configure IGMP Snooping VLAN parameters in the web UI:
1. Click Configuration, IPMC, IGMP Snooping, VLAN Configuration
2. Enable or disable Snooping, IGMP Querier. Specify the parameters in the blank field.
3. Click the Add New IGMP VLAN button or click Refresh to update the data or click << or > to display
previous entry or next entry.
4. Click Apply to save the setting
5. To cancel the settings, click the Reset button to revert to previously saved values.
Figure 2-11.1.2: IGMP Snooping VLAN Configuration page
Parameter descriptions:
Delete:
Check to delete the entry. The designated entry will be deleted during the next save.
VLAN ID:
It displays the VLAN ID of the entry.
IGMP Snooping Enabled:
Enable the per-VLAN IGMP Snooping. Only up to 32 VLANs can be selected. .
Querier Election:
Enable to join 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 selections are IGMP-
Auto, Forced IGMPv1, Forced IGMPv2, Forced IGMPv3; default compatibility value is IGMP-Auto.