It seems like power being active on that cable is somehow generating some kind of noise that's screwing up the ethernet, but I have no idea how or why that would be happening. It sounds a lot like the issues that FM transmitters can cause on ethernet.
________________________________ From: ubnt_users-boun...@wispa.org <ubnt_users-boun...@wispa.org> on behalf of Josh Luthman <j...@imaginenetworksllc.com> Sent: Friday, January 4, 2019 4:26:09 PM To: Ubiquiti Users Group Subject: Re: [Ubnt_users] AF5xHD ethernet port limited to auto negotiation Problem continues if I disable eth3 port on bridge. With epmp poe off I get gig full, no problems. FYI I have a 155 watt power supply and even if each device was 7 watts, it isn't, that's still only 21 watts. I'm supplying 27.5 volts at this time (cables are only a few feet for everything). Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 On Fri, Jan 4, 2019 at 5:23 PM Mathew Howard <mat...@litewire.net<mailto:mat...@litewire.net>> wrote: We had a port go bad on a Mikrotik the other day, and after we plugged the customer's router into a different port, it still wouldn't pass any data until I disabled the bad port (actually, I think just removing it from the bridge group fixed it)... the only reason I mention that is because there seems to be some kind of weird interaction between ports that are bridged together on Mikrotiks sometimes. I'm not sure how nothing more than a cable can cause that sort of a problem though... that's pretty strange. Does it change anything if you turn poe off on that port? ________________________________ From: ubnt_users-boun...@wispa.org<mailto:ubnt_users-boun...@wispa.org> <ubnt_users-boun...@wispa.org<mailto:ubnt_users-boun...@wispa.org>> on behalf of Josh Luthman <j...@imaginenetworksllc.com<mailto:j...@imaginenetworksllc.com>> Sent: Friday, January 4, 2019 4:16:19 PM To: Ubiquiti Users Group Subject: Re: [Ubnt_users] AF5xHD ethernet port limited to auto negotiation It happens on two Powerbox Pro units, so I'm guessing a grounding issue or some sort of noise in the office. There are no surge cards in the lab at this point. Yes - simply the cable in the port. I plugged in an epmp and it worked just fine, but I lost the af5xHD. If I unplug the cable from the epmp (leaving it plugged in on the PB Pro) my problem continues. If I unplug it from the PB Pro, problem goes away... Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 On Fri, Jan 4, 2019 at 5:12 PM Mathew Howard <mat...@litewire.net<mailto:mat...@litewire.net>> wrote: 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<mailto:ubnt_users-boun...@wispa.org> <ubnt_users-boun...@wispa.org<mailto:ubnt_users-boun...@wispa.org>> on behalf of Josh Luthman <j...@imaginenetworksllc.com<mailto: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 _______________________________________________ Ubnt_users mailing list Ubnt_users@wispa.org<mailto:Ubnt_users@wispa.org> http://lists.wispa.org/mailman/listinfo/ubnt_users _______________________________________________ Ubnt_users mailing list Ubnt_users@wispa.org<mailto:Ubnt_users@wispa.org> http://lists.wispa.org/mailman/listinfo/ubnt_users
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