Light levels? What kind of switch, is it counting anything besides packet count/size/frame size?
Link up/down? Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 On Wed, May 6, 2020 at 2:22 PM Adam Moffett <dmmoff...@gmail.com> wrote: > Each event is 8-10 spurts of packet loss precisely 2 seconds apart. From > one of these events to the next it can be anywhere from a few minutes to > over an hour. > > I've changed the SFP on one end, but the other end is 100m up a tower. > I'll certainly get this fixed one way or another, but I'm stunned that > neither switch reports any problem. > > > On 5/6/2020 2:04 PM, Josh Luthman wrote: > > Anything is possible. Anything. > > Are your light levels OK? Can you just swap the SFP and see if that > changes it? How often are the errors? > > Josh Luthman > Office: 937-552-2340 > Direct: 937-552-2343 > 1100 Wayne St > Suite 1337 > Troy, OH 45373 > > > On Wed, May 6, 2020 at 11:47 AM Adam Moffett <dmmoff...@gmail.com> wrote: > >> I'm trying to track down little spurts of packet loss on a 100 meter MM >> fiber connection. I know the loss doesn't occur before this point but >> does occur after it, so I know where it's happening but neither >> interface reports any errors. It's just frustrating because I don't >> understand one of these Ethernet devices is dropping packets without >> reporting any sort of error at all. >> >> Is it possible a switch passes a frame to an SFP and the SFP has some >> internal error causing a dropped frame, but that the switch is now >> oblivious to the error because it happened in the electronics of the >> SFP? These are 8+ years old Maxxwave SFP's. >> >> >> -- >> AF mailing list >> AF@af.afmug.com >> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >> > > -- > AF mailing list > AF@af.afmug.com > http://af.afmug.com/mailman/listinfo/af_af.afmug.com >
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