That does sound like a possibility. Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373
On Fri, Jan 4, 2019, 5:34 PM Mathew Howard <[email protected] wrote: > 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:* [email protected] <[email protected]> on > behalf of Josh Luthman <[email protected]> > *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 <[email protected]> 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:* [email protected] <[email protected]> on >> behalf of Josh Luthman <[email protected]> >> *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 <[email protected]> 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:* [email protected] <[email protected]> on >>> behalf of Josh Luthman <[email protected]> >>> *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 >>> [email protected] >>> http://lists.wispa.org/mailman/listinfo/ubnt_users >>> >> _______________________________________________ >> Ubnt_users mailing list >> [email protected] >> http://lists.wispa.org/mailman/listinfo/ubnt_users >> > _______________________________________________ > Ubnt_users mailing list > [email protected] > http://lists.wispa.org/mailman/listinfo/ubnt_users >
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