Its got to be something wrong with the router physically. I turned on dual WAN and set port 4 on the LAN to be the new WAN port. Internet is up and its negotiated a 1gbps link.
Something definitely broke with the physical WAN port.
Just factory reset the cable modem and left it in routed mode. Unfortunately the AC86U is still only getting 100mbps on the WAN port. Went from modem to PC and got 1gbps. I even broke out my laptop, plugged it in to the wan port of the router, still only 100mbps.
Sounds like I'm going to have...
ATE returns : W0=M;L1=G;L2=X;L3=X;L4=X;
Setting "ethctl eth0 media-type 1GFD" causes the link to go dead until I set it back to auto.
Also back to stock firmware, still stuck with 100mbps.
Two issues I could use yalls help figuring out.
#1) WAN port only negotiates 100 mbps. If I move the cable modem directly to the PC, I get 1gbps. If I move the modem to a LAN port on the router, I get 1gbps. Put it back on the WAN port, 100mbps. Any suggestions? AC86U on 384.11_2, modem is an...