Wait… are you trying to put the DHCP subnet and the VPN WG Server on the same LAN segment? That’s not going to work if you are. Quick & dirty:
- Set your LAN to to the default 192.168.8.0/24 . That’ll give you 255 (256 minus the router’s) IPs to assign behind the router.
- Set your VPN WG Server to whatever the defaults are.
- Connect up the conf & test a WG client (eg: iPhone) communicates to the Web
- VPN WG Server is going to have a wholly different IP range & subnet for the VPN than your LAN
- GL GUI has other options for allowing inter-LAN resources to communicate to WG Clients via the WG Server
LAN Network Defaults
GL GUI → Network → LAN:
- Router IP Address: 192.168.8.1
- Maximum Number of User: 150
- Start IP Address: 192.168.8.100
- End IP Address: 192.168.249
- DHCP Gateway: Optional # ie: no value
(Assumes firmware 4.2.1-release4)