If there are many groups that over the limit of one page, you can click the Next Page to view other VLAN groups.
NOTE: If the trunk groups exist, you can see it (ex: TRK1, TRK2...) in select menu of ports, and you can configure it is the member
of the VLAN or not.
5.3.1.1.2
802.1Q VLAN
In this page, user can create 802.1Q (tag‐based) VLAN.
There are up to 512 VLAN groups to provide configuration. While VLAN Operation Mode is changed to 802.1Q VLAN, all ports on
the switch belong to default VLAN group which VID is 1. The default VLAN group can't be deleted.