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i experts, I'm getting this repeated notification daily since 3 days and now I received a complains that the IP phones keep getting restarted in the switch location offices. logs from core switch : Sep 26 06:34:26.664: %SFF8472-5-THRESHOLD_VIOLATION...
Hi, I have an issue in Cisco C2960x where I have found that all the stack members are MASTER after power interruption. The switches are working fine but I can't remote SSH to the stack. Whenever I try to remote I get "Connection was reset" error. I d...
Hi, I have a problem with a new C3850 48p POE+ Switch, at first it came with IOS Version 16.x.x and it was working fine. but I wanted to add it to a stack. The stack master was c3850 48p and was runing ios 03.02.03.SE so I enabled auto-upgrade on th...
First soultion we dont have TAC support on these switches. Second I will verify the fiber cable and SFP compatibility and will update later in this thread.
The fiber patch cord is connected from Core switch to fiber patch panel and fiber cable from pmain patch panel to distribution panel and from that panel a patch cord to access switch. All fiber cables and SFP are multimode.We are in n enterpraise wit...
Hi, MHM This network is not new, the alerts started recently, it was working before and the cables did not change. How come this is a wrong cable ? Can you help me with some command to troublshoot and confirm this ?
Hi Marce, Its not only showing alerts the phones actually losing its POE and keep restarting. The current IOS for all switches and stacks is 15.2(3)E3We have around 60 switches all with same IOS, I'm afraid upgrading the IOS will brick the switches s...
An Update, it seems restarting the stack physically (by removing the cables) solved the issue. The stack restarted and only 1 is master and the rest are members.Also the SSH preoplem is resolved now. Thank you
