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I have a Cisco 3700 Series AP and trying to connect it to a WLC 5508. I have getting a certificate validation failed error, however when I use the command "show crypto pki certificates" no such expired certificate shows up. Previously had an issue wi...
I have a Cisco 2960S which connects to a core 4500X switch. When I first inserted fiber cables the 2960 was having a link flap issue. That was resolved by using a different sfp module. However there is now a high input error rate. Not just in the 296...
Hi Rich, thanks for this solution. I will try to apply it as soon as possible. @jagan.chowdam asked me to find the Cisco SHA1 device cert certificate in the WLC and I can see that it expired on the date shown in the logs in my original post. One thin...
The already working fiber connection from this cabinet (3 2960S switches) is using the same module. here is the sh idprom results This is from the one facing high level of input errors This is from the working one
I don't know the length of the backbone, but visually it seems well over 26m. To connect the switches to the patch panel itself a 3m cable is being used. That datasheet says with an OM3 cable up to 300m is supported, and we are using an OM3 cable. Re...
But wouldn't I see low optical receive power in the core switch too? It should be a 2 way thing right, since both the core and the 2960 are sending and receiving data. This is from the core 4500X
