Here's the simple steps to get a second DDWRT wirless unit to extend the orginial. Putting here so that I don't have to look it up again. I always seem to forget some of the settings.
FIND THE SIGNAL
- -start from scratch. This means start with a plain jane vanilla ddwrt without any customized settings.
- -login & change USERNAME & PASSWORD to something customized.
- -click STATUS > WIRELESS.
- -click SITE SURVEY (at the bottom).
- -(a screen with a list of the wireless signals will show).
- -find the one you want to extend.
- -click JOIN (at the right).
WIRELESS SETTINGS
- -(this will automatically fill in the BASIC SETTINGS for the wireless).
- -wireless mode: client-bridge.
- -wireless channel: match the channel on the main unit.
- -click SAVE (at the bottom.)
- -click WIRELESS SECURITY (at the top).
- -security mode: (match the security mode on the main unit exactly including TKIP or AES. If a new setup use WPA PERSONAL AES).
- -(note: cannot do WPA2 Personal Mixed).
- -password: anything-of-your-choosing-thats-8-characters-long.
- -click SAVE (at the bottom).
BASIC SETTINGS
- -click SETUP
- -connection type: disabled
- -local ip address: 192.168.1.2
- -subnet: 255.255.255.0
- -gateway: 192.168.1.1
- -local dns: leave-blank
- -dhcp forwarder: 192.168.1.1
- -click SAVE
- -click ADVANCED ROUTING (at the top)
- -operating mode: ROUTER
- -click SAVE (at the bottom)
SECURITY SETTINGS
- -click SECURITY
- -find BLOCK WAN REQUESTS area
- -checkmark FILTER MULTICAST
- -uncheck everything else in the area
- -spi firewall: disable
- -click SAVE (at the bottom)
FINAL SETTINGS
- -click ADMINISTRATION
- -click SAVE (at the bottom)
- -click APPLY SETTINGS (at the bottom)
- -reboot router
- -wait 3 minutes for everything to come back on and sync up.
CHECK TO SEE IF IT'S WORKING
- -click STATUS > WIRELESS
- -you'll be able to see the signal strength between the two units. If it's too low, move them closer together or in a more direct line of sight.