Thursday, March 21, 2013

DD-WRT Wireless Connections Failing

This morning my Asus RT-N16 router with DD-WRT stopped accepting wifi clients. Nothing could connect to the access point. I could see that it was still broadcasting, but it was acting as if the WPA password had changed. I powered off the router twice, waiting a few minutes, etc. Nothing. I connect a laptop via ethernet and looked over all the settings but everything looked fine. I was ready to reload the router completely when I found this old thread and tried the advice. It worked. I didn't add it to my startup script though. Hopefully it keeps working without me needing to do that again.

I case anyone else runs into this, the fix was: I ssh'ed into the router and ran:
    ifconfig eth1 down
    ifconfig eth1 up 
I'm still not quite sure what interface eth1 is since br0 looks like the LAN side and VLAN2 looks like the WAN side, but it did work.
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