ZyXEL Communications XGS1930-38 User Manual page 195

Figure 136 Advanced Application > Multicast > IPv4 Multicast > IGMP Snooping > IGMP Snooping VLAN
The following table describes the labels in this screen.
Table 90 Advanced Application > Multicast > IPv4 Multicast > IGMP Snooping > IGMP Snooping VLAN
LABEL DESCRIPTION
Mode Select auto to have the Switch learn multicast group membership information of any VLANs
automatically.
Select fixed to have the Switch only learn multicast group membership information of the
VLAN(s) that you specify below.
In either auto or fixed mode, the Switch can learn up to 16 VLANs.
The Switch drops any IGMP control messages which do not belong to these 16 VLANs.
You must also enable IGMP snooping in the Multicast > IPv4 Multicast > IGMP Snooping screen
first.
Apply Click Apply to save your changes to the Switch's run-time memory. The Switch loses these
changes if it is turned off or loses power, so use the Save link on the top navigation panel to
save your changes to the non-volatile memory when you are done configuring.
Cancel Click Cancel to begin configuring this screen afresh.
VLAN Use this section of the screen to add VLANs upon which the Switch is to perform IGMP
snooping.
Name Enter the descriptive name of the VLAN for identification purposes.
VID Enter the ID of a static VLAN; the valid range is between 1 and 4094.
Add Click this to create a new entry or to update an existing one.
This saves your changes to the Switch's run-time memory. The Switch loses these changes if it is
turned off or loses power, so use the Save link on the top navigation panel to save your
changes to the non-volatile memory when you are done configuring.
Cancel Click Cancel to reset the fields to your previous configuration.
Clear Click Clear to reset the fields to the factory defaults.
Index This is the index number of the IGMP snooping VLAN entry in the table. Click on an index
number to view more details or change the settings.
Name This field displays the descriptive name for this VLAN group.
VID This field displays the ID number of the VLAN group.
Chapter 24 Multicast
XGS1930 Series User's Guide
195