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Chapter 46 Multicast
XGS2220 Series User’s Guide
325
The following table describes the labels in this screen.
46.4.1 Add/Edit IGMP Snooping VLANs
This screen allows you to add an IGMP snooping VLAN or edit an existing one.
To access this screen, click the Add/Edit button or select an entry from the list and click the Add/Edit
button.
Figure 244 SWITCHING > Multicast > IPv4 Multicast > IGMP Snooping VLAN > Add/Edit
Table 145 SWITCHING > Multicast > IPv4 Multicast > IGMP Snooping VLAN
LABEL DESCRIPTION
IGMP Snooping VLAN
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
VLANs that you specify below.
In either auto or fixed 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 SWITCHING > Multicast > 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 SWITCHING > 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 on which the Switch is to perform IGMP snooping.
Index This is the index number of the IGMP snooping VLAN entry in the table.
Name This field displays the descriptive name for this VLAN group.
VID This field displays the ID number of the VLAN group.
Select an entry’s check box to select a specific entry. Otherwise, select the check box in the
table heading row to select all entries.
Add/Edit Click Add/Edit to create a new entry or edit a selected one.
Delete Click Delete to remove the selected entries.
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