Grandstream Networks GWN70 Series User Manual page 27

Figure 35: Add Policy Routing
3. Add a VLAN with Policy Routing
To use the Routing Policy, add a VLAN and choose the Routing Policy previously created.
Figure 36: VLAN with a Routing Policy
4. Apply VLAN to an SSID or LAN port
Finally, apply the previously created VLAN to an SSID or a LAN port.