@Lurk We are almost the same. I have similar setup both in our house and in our office. The problem usually occurs 20-21 days of uptime. When you check logs, there will be a couple of router was...

This has also happened to our office earlier. Uptime was about 20ish days since I updated to 5.1.7. Office staff started complaining to me that internet was down for some of our computers. We have 2...