You might have a case where you have multiple APs broadcasting the same SSID, and you want to ensure that you connect to a specific one. DD-WRT uses wpa_supplicant, which allows us to configure out-of-band. Note that DD-WRT advertises a similar feature in the UI (by using MAC filters), but I have not been able to get it to work reliably.
In Administration -> Commands , save the following as a startup script (don’t forget to change the BSSID!).
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bssid="AA:BB:CC:DD:EE:FF" until pidof "wpa_supplicant"; do echo "waiting for wpa_supplicant to start..." sleep 3 done sed -i "3ibssid=$bssid" /tmp/ath0_wpa_supplicant.conf kill -HUP $(pidof "wpa_supplicant") |
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