You can create or delete all VLANs except the default VLAN and those VLANs that are internally allocated for use by the device.
Once a VLAN is created, it is automatically in the active state.
When you delete a VLAN, ports associated to that VLAN shut down. Therefore, no traffic flows and the packets are dropped. On trunk ports, the port remains open and the traffic from all other VLANs except the deleted VLAN continues to flow.
If you create a range of VLANs and some of these VLANs cannot be created, the software returns a message listing the failed VLANs, and all the other VLANs in the specified range are created.
This figure shows the VLAN pane that you use to create VLANs.
Figure 2. Configuring VLAN Details
To create or delete a VLAN, follow these steps: