Fresh Tomato Router - Disable WAN and Partially Fix Port State     2022/01/15
from https://www.linksysinfo.org/index.php?threads/bridging-wan-port-to-br0-with-freshtomato-2021-4.76646/


 1. Log into your router.
 
 2. Navigate to Advanced > WLAN.
 
 3. Click (uncheck) the star on WAN0 bridge.
 
 4. Delete the WAN0 bridge:
    4a. Click on WAN0 bridge line.
    4b. Click Delete.

 5. Set up a new WAN0 bridge. Under LAN0 (br0):
    5a. Change VLAN to 2.
    5b. Change VID to 2.
    5c. Change Ethernet to bridge mapping to WAN0 bridge.
	5d. Click Add.

 6. Click Save. You ae prompted to commit changes to NVRAM.

 7. Click OK.


The router should reboot.



If setting up an AP:

 1. Navigate to Basic > Network.

 2. Under WAN0 settings, next to the Type field, disable WAN/Internet.

 3. Under LAN:
    3a. Click on br0 and uncheck DHCP. Click OK.
    3b. Change AP's IP address to something no other device is using
    3c. Set subnet mask to the same as the rest of the network
    3d. Set gateway IP on the AP to the gateway's IP
    3e. On some releases, the static DNS should be set to be the same IP as the
        gateway's IP address.

 4. Set up your wireless settings as desired. (Or disable it, if unneeded.)

 5. Click Save.

 6. Navigate to Advanced > DHCP/DNS.

 7. Under DHCP/DNS Server (LAN), check Use user-entered gateway if WAN is
    disabled.

 8. Click Save.