Get a handle of the variants of the venerable Cisco IOS
Originally posted on The Networking Nerd:
As a nerd, I’m a huge fan of science fiction. One of my favorite shows was Stargate SG-1. Inside the show, there was a joke involving an in-universe TV program called “Wormhole X-Treme” that a writer unintentionally created based on knowledge of the fictional Stargate program. Essentially, it’s a story that’s almost the same as the one we’re watching, with just enough differences to be a totally unique experience. In many ways, that’s how I feel about the new versions of Cisco’s Internetwork Operating System (IOS) that have been coming out in recent months. They may look very similar to IOS. They may behave similarly to IOS. But to mistake them for IOS isn’t right. In this post, I’m going to talk about the three most popular IOS-like variants – IOS XE, IOS XR, and NX-OS.
IOS XE is the most IOS-like of all the new IOS…
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