CCNP Switch – Lab 6 – Packet Tracer

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This is a pretty straight forward lab that I was asked about. It goes over using both ISL and Dot1q trucks in a network while sharing Vlans with VTP. I chose to knock this...

Can the Cisco Catalyst 9600 Really Replace the Catalyst 6000 Series?

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If you have worked in networking and with Cisco equipment, you have probably heard of the Cisco 6500 Series switches. Myself, I have worked with them pretty regularly as well as other Catalyst 6000...

Cisco 3850 Wireless Controller – FAQ

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There was a recent project I was working on where I was going to be using a Cisco 3850 switch as a wireless controller, which is a fully supported feature that is build into...

Configure vPC Connection

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Within the datacenter environment, there is a useful technology concerning device uplinks. The goal is around redundancy. Normally, with a port-channel connection, you would be protected if a single cable or interface would stop...

Cisco 3850 – High CPU Usage (fed and iosd processes)

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Recently, out of nowhere, I had a 3850 stack that spiked in terms of CPU usage. This particular stack had no recent changes in configuration and had been  up and running for around 20...

Cisco 4500 – Switching Port Media Types

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This is an interesting one I never came across so I figured I'd share it out for everyone else too. I recently purchased a Cisco 4506 switch with a few blades already installed. One...