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Posts Tagged ‘Cisco’


Open Source Cisco router?

I have spent the last 10-15 years working in a predominantly Cisco environment. I think their products are great, but are not cheap. I think it comes down to the old line ‘you get what you pay for’, and Cisco certainly delivers. That’s at work….. At home I look at alternatives. So when I was [...]

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Type wrong command, disable dns lookup on Cisco router

How many times have you typed in the wrong command on a Cisco router, and then have to wait while the DNS lookup times out because the route is trying to resolve that ‘domain’? Yeah me too. Easy to fix … Simply enter global configuration mode and type router(config)# no ip domain-lookup And the result [...]

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Router Sim Using Real Cisco IOS Images

There’s nothing better than a router sim that has the full Cisco command set available to utilise. All of the router sims (up to now) have a stripped down collection of commands to use. I stumbled on this website a few weeks ago. It’s an open source product that runs on Windows and Linux boxes, [...]

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Cisco IOS command set quick reference

When I was studying for my CCNA afew years back, I needed some reference. There are plenty of books to read, and I decide to make some notes myself, and store them online where I could easily find them. Below, are a list of the more common things you need to remember. If you want [...]

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CCNA 640801 Essential tips to pass first time

Here are some very handy tips in preparation for passing Cisco 640801 CCNA test, arguably one of the harder tests to do in the beginning of your Cisco career. I have done the test 3 times. The first time was quite easy. There was no switching, ISDN questions were a plenty, as were questions on [...]

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