Friday, January 25, 2019

2960 SFP ports dropping

I've got three 2960's that are dropping their connections. Two of the switches connect back to the other with copper gbics. I replaced the four gbics yesterday, just to get it out the way. It is only dropping those 2 sfps (copper), the uplink back to the main closet, which is fiber, stays up fine. Both of the SFP's are setup as trunk ports, with almost the same config on all three switches. From the logs, it appears to disconnect both ports 50 and 51 every hour, almost the exact time (off by 3-10 seconds).

I'm wondering if it may have something to do with the software version, 15.2(2a)E1.



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