Cisco



Cisco IOS schedule automatic configuration backup

Backing up a Cisco router or switch configuration is crucial for any network administrator. Wouldn’t it be useful if you could schedule an automatic configuration backup to an offline location? Or backup your configuration automatically to an offline location whenever…


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Cisco IOS backup config via SSH!

Did you know you can backup your running-config or startup-config via ssh? I’ve been backing up configurations via TFTP for a long time but only recently started using SSH. Here’s how to do it. If you have a Linux/Unix server…


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Ethernet Layer 1 Basics

In order to understand more complex network technologies it is important to have a strong understanding of the basics. So here we are Layer 1 – Ethernet, the most commonly used access medium for LAN network. An Ethernet cable consists…


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Speed problems between a Cisco router and server

When plugging a workstation, server or PC directly behind a Cisco router, you might notice that you may experience speed problems. Why am I not able to get the full 100Mbps speed? I had run into this problem while deploying…


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How to clear Cisco interface configuration

How do you clear cisco interface configuration? Using the “no” command on each line to remove the configuration can be tedious and cumbersome. Use the default command in global configuration mode to clear the interface configuration and restore the interface…



How to clear CLI screen on ASA and IOS?

Problem: How do you clear CLI screen on ASA? Solution: Answer: You CAN’T! In case you came here asking for the clear CLI screen on IOS. Answer: You CAN’T! SecureCRT I wished there was a way to clear the CLI…


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Cisco IP phone stuck in configuring IP?

Ever had a Cisco IP phone stuck in configuring ip? Suspecting that there is something wrong with the phone? Don’t throw it away yet! Try doing a factory reset on your phone! Unplug the power cable from the phone, and…