What does Windows say what speed it is connected at? Take the switch out of the config and tell me what speed Windows reports it is connected at.

I would guess interference. I don't have the problem. Trying other channels is a good idea.

Region : Canada Model : C5 Hardware Version : Not Clear Firmware Version : 0.9.1 1.4 v003a.0 Build 140709 Rel.35297n ISP : I have a VoIP ATA behind a C20i. How to I enable QOS so VoIP gets any...

That's a lot of ram and flash in the c2 but the c20i is probably a cost reduced version with less flash and ram. I hope openwrt gets support for it.

About my second question. The GUI says if hardware NAT is not compatible with the statistics module.

sebbelBS wrote In my (humble) opinion, you can optimize it with following modifications: - Remove the WiFi-Switch (if you locked yourself out: get a cable) - Remove the WPS-Button (NO ONE needs WPS!...