Most devices won't let turn off auto negotiation on gigabit, but what you can do is set it to only advertise gig full (I know you can do this on the Mikrotik by just unchecking everything else, and I think you can do it on the af5xhd too, but I'm not certain about that). That probably isn't going to fix the problem though. I've seen bad ports cause somewhat similar issues on Mikrotiks, or even damaged surge suppressors, but I'm not sure how just a cable being in the port can do that. Is the port the cable is plugged into assigned same bridge (or switch master port)?
________________________________ From: ubnt_users-boun...@wispa.org <ubnt_users-boun...@wispa.org> on behalf of Josh Luthman <j...@imaginenetworksllc.com> Sent: Friday, January 4, 2019 3:43:13 PM To: Ubiquiti Users Group Subject: [Ubnt_users] AF5xHD ethernet port limited to auto negotiation I have several sites out in the field with Powerbox Pro and once I forced poe on, it works just fine with af5xHD. In the office, though, I have weird issues where if a cable is plugged into another port (just simply a cable, no other device) it goes from auto (doing gig full) to interface up/down constantly and I can't even get the Mikrotik bridge to see the af5xhd MAC address. Now if I set auto negotiation to 10/100 it links just fine (at 100 full). Looking at the radio interface it doesn't seem that I can set it to gig full. I can't change it from auto negotiation. Am I missing something? Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373
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