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CHAPTER 8: MULTICAST
8.1.2 VLAN CONFIGURATION
This section describes the VLAN configuration setting process integrated with the IGMP Snooping function. Each setting page
shows up to 99 entries from the VLAN table, default is 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. Clicking the button
will update the displayed table starting from that or the next closest VLAN Table match.
WEB INTERFACE
To configure the IGMP Snooping VLAN Configuration in the web interface:
1. Click Multicast, IGMP Snooping and VLAN Configuration.
2. Click to add new IGMP VLAN.
3. Click Apply to save the setting.
4. To cancel the setting, click the Reset button. It will revert to previously saved values.
FIGURE 8-2. IGMP SNOOPING VLAN CONFIGURATION
PARAMETER DESCRIPTION
Start from Vlan: Click to Refresh the displayed table starting from the “VLAN” input fields.
Delete: Check to delete the entry. The designated entry will be deleted during the next save.
VLAN ID: This displays the VLAN ID of the entry.
Snooping Enabled: Enable the per-VLAN IGMP Snooping. Only up to 32 VLANs can be selected.
IGMP Querier: Enable to join the IGMP Querier election in the VLAN. Disable to act as an IGMP Non-Querier.
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; the default compatibility value is IGMP-Auto.
Rv: Robustness Variable. The Robustness Variable allows tuning for the expected packet loss on a network. The allowed range is 1 to
255; default robustness variable value is 2.
QI(sec): Query Interval. The Query Interval is the interval between General Queries sent by the Querier. The allowed range is 1 to 31744
seconds; default query interval is 125 seconds.