Intermittently dead ethernet ports

Can you try another cable?

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I can swap out one from another deviceā€¦Iā€™ll give it a try. I have been using this cable for a few years now for connections to various other routers, and itā€™s always worked perfectly, but I suppose that something may have broken/worn outā€¦Iā€™ll try later and report back. Thanks for the reply, SQBI.

OK, I finally got around to trying a different cable - no luck, the connection still intermittently dropped.

After a bit of head-scratching, I disabled my anti-virus software (Avast), and that has resolved my issue. Iā€™m trying Windows Defender for a while as a replacement - so far, the connection seems to be fine.

Good to know. You could report your issue to the Avastā€™s tech support.

I may try to verify it by reinstalling first, but good idea - thanks.

the issue where the ethernet ports donā€™t come up at boot with certain devices was fixed in the kernel included with the recently released 3.5.2. I used to have that issue but donā€™t anymore post that update.