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High CPU on a Catalyst switch running IOS

This is the troubleshooting process you can take to solve High CPU problems in your network.  The root cause is always something different, but the steps are mostly the same.

High CPU since Market open….

C6500#show ver

System image file is “disk0:s72033-advipservicesk9_wan-mz.122-33.SXH.bin”

=-=

Below we see 77% Total CPU with 33% from interrupt traffic, and ~ 40% from IP Input.

C6500#show proc [...]

So you want to Build your own CCIE Lab Rack

Building your own CCIE Lab Rack can be a daunting task if you’re not sure how to get started. Hopefully this will provide you a blueprint of what you will need and how to set up correctly so you can spend more time doing Labs and less time trying to figure out how to build the [...]

How to make your own Ethernet Network cables

If you are planning to build your own CCIE Lab rack, consider making your own network cables.  Making your own network cables is a good way to save money if you need to make a lot of them.  At $7 for a 3ft patch cable, you can spend quite a bit of money if you need, [...]