I have just started deploying Avaya IP phones on Cisco 2960X switches stacked. After some time a block of 14 ports will quit providing POE.  Nothing fixes the issue until we cold boot the switch.  Anyone has this problem? Here is stack information   ...

Is there a CLI command on Cisco 4451 router that shows my aggregate throughput has been exceeded?

We are deploying Avaya IP phones into our Cisco 2960X switches. We have several switches in a stack. The ports just quit supplying power to the port that feeds the Avaya IP phone. When we reboot the switch they supply power for a day or so. Then quit...

Currently deploying QOS inbound and outbound across the enterprise.  What are people using to manage these policies globally? What are people using to monitor the QOS performance and how are you being alert to tags being stripped across hops?