There are two default VLAN existing in the stacking switches.
As seen above, the VLAN name " DEFAULT" and VID " 1" is standard setting for general Tag VLAN , and all port are added as untagged port; The other VLAN " 4091" , as so called " Stacking Tag VLAN" , is an unique setting for this type of stacking. And all of their Giga ports are set to tag members to form a VLAN connection channel.
A strong warning declares here that the Stacking Tag VLAN is highly restricted to be modified or removed, for incorrect operation will ruin the connection of stacking switches. What condition and how to change the Stacking Tag VLAN will discuss in next section.
To Add a new VLAN, press " Add" the VLAN Panel. They will come out two script prompt to ask user to input VLAN name and VLAN ID.
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