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Random signal loss in DD-WRT configurations

Random signal loss in DD-WRT configurations

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SturmflockeHD
Junior Member
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06-19-2016, 05:17 AM
#1
I possess a DD-WRT configured ASUS RT-AC66R router connected via spectrum cable modem (100Mbit/10Mbit). The device frequently shuts down and restarts on its own. I've verified power settings and reduced Wi-Fi output to 80% for both 2.4 and 5GHz channels. My typical network usage includes a few smartphones, tablets, a Chromecast, two desktops, an Android box, an upcoming NAS, and a PS3/PS4. I attempted to restore the original firmware but failed. Should I consider replacing this router? It's only about two years old. Any recommendations for a faster, well-covered replacement with good range? Mesh options or a wired setup using Ubiquity WAP are possibilities. I'm unsure what models are available.
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SturmflockeHD
06-19-2016, 05:17 AM #1

I possess a DD-WRT configured ASUS RT-AC66R router connected via spectrum cable modem (100Mbit/10Mbit). The device frequently shuts down and restarts on its own. I've verified power settings and reduced Wi-Fi output to 80% for both 2.4 and 5GHz channels. My typical network usage includes a few smartphones, tablets, a Chromecast, two desktops, an Android box, an upcoming NAS, and a PS3/PS4. I attempted to restore the original firmware but failed. Should I consider replacing this router? It's only about two years old. Any recommendations for a faster, well-covered replacement with good range? Mesh options or a wired setup using Ubiquity WAP are possibilities. I'm unsure what models are available.

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Satahi_
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06-24-2016, 12:55 PM
#2
It probably points to a buffer overflow. The same problem appeared with mainline DD-WRT on a WRT-1200AC. Reboots became more frequent under heavy network use. Creating router-local file shares made the issue worse too. It looked tied to the WiFi driver having a memory leak. Oddly, the problem stayed even after reverting to the original firmware, just like your situation. I think the WiFi driver or firmware might be setting a persistent flag in the hardware.
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Satahi_
06-24-2016, 12:55 PM #2

It probably points to a buffer overflow. The same problem appeared with mainline DD-WRT on a WRT-1200AC. Reboots became more frequent under heavy network use. Creating router-local file shares made the issue worse too. It looked tied to the WiFi driver having a memory leak. Oddly, the problem stayed even after reverting to the original firmware, just like your situation. I think the WiFi driver or firmware might be setting a persistent flag in the hardware.

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