I'll have to try both of those next time and see. Maybe there would be a watchdog function in Mikrotik I could use to power cycle automatically in these cases.
-----Original Message----- From: Af [mailto:af-boun...@afmug.com] On Behalf Of Adam Moffett Sent: Wednesday, August 23, 2017 12:29 PM To: af@afmug.com Subject: Re: [AFMUG] Brown-outs, Power fluctuations lock up Mikrotik CRS units I'd be curious if disable/enable the interface brings the SFP back to life, or re-inserting the SFP module. ------ Original Message ------ From: "Adam Moffett" <dmmoff...@gmail.com> To: af@afmug.com Sent: 8/23/2017 2:24:44 PM Subject: Re: [AFMUG] Brown-outs, Power fluctuations lock up Mikrotik CRS units >He's saying the switch is "up" but the SFP's stop communicating until a >reboot. >I assumed fiber SFP's. Maybe in a brownout the SFP dies first because >it's farther from the power supply than other components in the switch. > > >------ Original Message ------ >From: "Chuck McCown" <ch...@wbmfg.com> >To: af@afmug.com >Sent: 8/23/2017 2:03:52 PM >Subject: Re: [AFMUG] Brown-outs, Power fluctuations lock up Mikrotik >CRS units > >>Glitches could come in through the ethernet side too. >> >>-----Original Message----- From: Sterling Jacobson >>Sent: Wednesday, August 23, 2017 11:59 AM >>To: af@afmug.com >>Subject: Re: [AFMUG] Brown-outs,Power fluctuations lock up Mikrotik >>CRS units >> >>I had about 10 of these units suffer from the disconnect problem this >>morning. >> >>Some were powered solely from DC wall plug directly to round >>connector. >> >>Some were powered solely from POE injector from included DC wall plug >>power supply. >> >>Some were actually powered by both direct DC round plug AND POE from >>the Ethernet/Ether1 port. >> >>So in essence I've ruled all of those combos out as individual >>immunity/culprits. >> >>Some of these were plugged in to small UPS units from APC or similar >>brand. >> >>Which I know don't do line conditioning, so that doesn't surprise me >>there. >> >> >> >>-----Original Message----- >>From: Af [mailto:af-boun...@afmug.com] On Behalf Of Adam Moffett >>Sent: Wednesday, August 23, 2017 11:56 AM >>To: af@afmug.com >>Subject: Re: [AFMUG] Brown-outs, Power fluctuations lock up Mikrotik >>CRS units >> >>We have at least 50 CRS and I've never seen that. >>We aren't using the wall warts though. These are almost all on Traco >>48v power supplies plus a 48 to 24 converter. So I have a second >>layer of conversion between the device and the power. That's just an >>observation and I don't know that it ought to make a difference. >> >> >>------ Original Message ------ >>From: "Sterling Jacobson" <sterl...@avative.net> >>To: "af@afmug.com" <af@afmug.com> >>Sent: 8/23/2017 1:39:43 PM >>Subject: [AFMUG] Brown-outs, Power fluctuations lock up Mikrotik CRS >>units >> >>>I get power glitches from time to time in our city and it never fails >>>to cause one or more of our CRS units to glitch. >>> >>>They appear powered and running, but SFP+ modules don't communicate >>>until a power cycle. >>> >>>Anyone else see this? >>> >>>And generally, I don't understand how variations in 110v AC get >>>through >>>the DC power wart and cause problems to the CRS. >>> >>>I mean, shouldn't the conversion from AC to DC inherently clean up >>>some >>>of the crap of the AC power? >>> >>>Or is this a function of the power dipping low enough for brief time, >>>that the DC also goes almost out then surges back? >>> >>>The CRS handles a wide range of DC input voltage, so I thought it >>>would >>>be more immune to fluctuations of DC voltage too. >>> >>>Is that what is causing problems with the CRS maybe? >>> >>> >> >
