Cerio OW-400 A1 User Manual page 62

 #：Display VLAN No.
 VLAN Mode：Display on /off line status for the VLAN mode
 IP Address：Display IP address for the VLAN mode.
 NetMask：Display netmask for the VLAN mode.
 Action：Administrator can set VLAN IP、Radio 2.4 or 5G on/off、Spanning tree、IAPP and VLAN tag.
VLAN Mode：Administrator can Enable or disable the VLAN function.

There must always be at least one VLAN enabled. If the administrator disables
all the VLANs, he/she will not be able to login to the manager page. The
administrator must then reset to default.
IP setup：Administrator can set the VLAN IP address and NetMask or disable IP.

802.1d Spanning

bridged LAN between LAN interface and 8 WDS interfaces from wds0 to wds7. The Spanning
Tree Protocol, which is also referred to as STP, is defined in the IEEE Standard 802.1d.
Tree：The spanning tree network protocol provides a loop free topology for a
V4.0