Chapter 24 Multicast
GS1920v2 Series User’s Guide
209
Fig ure 149
Advanced Application > Multicast > IPv4 Multicast > IGMP Snooping > IGMP Snooping VLAN
The following table describes the labels in this screen.
Table 83 Advanced Application > Multicast > IPv4 Multicast > IGMP Snooping > IGMP Snooping VLAN
LABEL
DESC RIPTIO N
Mode Select
a uto
to have the Switch learn multicast group membership information of any VLANs
automatically.
Select
fixe d
to have the Switch only learn multicast group membership information of the
VLAN(s) that you specify below.
In either
a uto
or
fixe d
mode, the Switch can learn up to 16 VLANs (including up to five VLANs
you configured in the
MVR
screen). For example, if you have configured one multicast VLAN
in the
MVR
screen, you can only specify up to 15 VLANs in this screen.
The Switch drops any IGMP control messages which do not belong to these 16 VLANs.
You must also enable IGMP snooping in the
Multic a st > IPv4 Multic a st > IG MP Sno o ping
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
Sa ve
link on the top navigation panel to
save your changes to the non-volatile memory when you are done configuring.
Cancel
Click
C a nc e l
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.
You cannot configure the same VLAN ID as in the
MVR
screen.
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
Sa ve
link on the top navigation panel to save your
changes to the non-volatile memory when you are done configuring.
Cancel
Click
C a nc e l
to reset the fields to your previous configuration.
Clear
Click
C le a r
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.