Really annoying connection issues with OpenWRT

From: James Nylen 
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I recently switched my router (a Buffalo WZR-) from DD-WRT to OpenWRT.  I
really like a lot of things about it - good package management, sane
configuration system and web interface, and it's obviously very
well-designed overall.

However, I'm only getting 1-2% of my total connection speed (1-2mbit/s,
with data coming in short bursts, and I'm unable to complete any large
downloads).  This happens regardless of whether I connect via wifi or
ethernet, and it happens if I run wget on the router itself.  I've
confirmed that it's not an issue with EPB - everything works fine if I
connect directly without the router.

How can I start to diagnose this issue?  I have a tcpdump file of a
download happening, but I'm not sure what I'm looking for there.

=============================================================== From: James Nylen ------------------------------------------------------ Sorry, my router is a Buffalo WZR-HP-G300NH ( http://www.amazon.com/gp/product/B0028ACYEK/ref=wms

=============================================================== From: John Aldrich ------------------------------------------------------ Quoting James Nylen :

=============================================================== From: James Nylen ------------------------------------------------------ I'm pretty sure this is a software problem, since it started when I switched the router over to OpenWRT. I may end up having to buy a new one though.

=============================================================== From: John Aldrich ------------------------------------------------------ Quoting James Nylen : Well, a good way to find out for sure whether it's hardware or software would be to re-flash it with DD-WRT. :) If you still have problems, you can try a different piece of hardware. :)

=============================================================== From: Know Juan ------------------------------------------------------ I know there was an issue with being able to flash it if it had been upgraded to a certain firmware level. You may need to just re-flash it or find an older Buffalo firmware and *then* flash it. If all else fails, there's always TFTP recovery. http://arouter.blogspot.com/2011/07/firmware-flashing-and-brick-recovery.html Good luck!