You might need to know the syntax for the vlan command.
The vlan command syntax is as follows:
vlan create [-g {on|off}] ifname vlanid_list
vlan add ifname vlanid_list
vlan delete -q ifname [vlanid_list]
vlan modify -g {on|off} ifname
vlan stat ifname [vlanid_list]
For detailed information about the vlan command, see the na_vlan(1) man page.
For detailed information on how to perform specific tasks using the vlan command, see the following topics: