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In a situation were the AP and more than one bridge/repeaters have the same SSID we need to force the bridge/repeater to lock on to the AP. To do this we use the MAC address of the WLAN AP.
When selecting the SSID to join we need to manually edit /etc/config/wireless to ensuring it uses the correct AP.
first you'll need to know the BSSID of the one you want to connect to. if you're on 2.4ghz, at the command line type “iw wlan0 scan”
SSH into your client router with putty
<shell> iw wlan0 scan </shell>
<shell> opkg update opkg install nano nano /etc/config/wireless </shell>