@friendofdog Is it possible the ISP is changing your Wan IP every hour? What is the lease time given? To find this out, you may need to connect your laptop direct to ISP device and use the Windows...

@MR.S et al I reported a similar bug with ER707 v1.2.3 running IPSEC over L2TP to some ER605v1. Tunnels don't even come up anymore, but downgrading to 1.2.2 again fixes everything. These were...

@PAUL532 Correct. Once the CPU starts to pin, memory starvation is in progress. I would downgrade both to 5.1.1 and await 5.1.7 If misery loves company....here's my saga:...

@PAUL532 Firmware is still showing as 5.1.6 in your screen grab. Our recommendations were to downgrade, and TPlink suggested 5.1.1

@wickie The EAP615-wall doesn't come with a POE injector, but is 802.3af/at compliant. So any 'active' 48V POE source will do.

@bankoz Mmmmm ;). I love a good software race condition. Good on you for finding that 'free' solution!