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Recently, I have been working to upgrade Cisco network devices, mainly routers and switches, for a client.   A recent network audit identified fragmentation in the IOSes and also security advisories.  As a result, all the routers and switches required upgrades and it was a good opportunity for the client to standardize the IOSes for the different type of network devices in the...

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IOS XE supported switches such as the 3850 and 3650 support two modes, Bundle mode and Install mode.   New switches, by default, are shipped with install mode.   If you never paid attention during an IOS XE upgrade on a switch you may have just copy the IOS XE image to flash and set the system boot variable to boot from the new IOS using the command below:

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It’s officially spring and for a lot of us that means spring cleaning – the attic, garage, basement, or just all those papers off the desk in the office. While you’re cleaning and reorganizing your personal life it’s also a good idea to take a look at your network and make sure that is cleaned up too. Below is a list of our top 8 best practices for cleaning up your network and devices.

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Mar 7

Upgrading Cisco software (IOS, IOS-XE, ASA code, etc.) can be a little daunting sometimes.  For the most part, installations are straight forward, but there is usually a fair amount at stake.  Ideally, your environment should be designed with high-availability in mind, allowing you to perform maintenance (and endure unplanned outages) without business impact.  But that isn’t always financially...

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It’s approaching 10pm on Friday night and you are getting ready to apply your IWAN / Routing Protocol / <Insert major project of your choosing> migration script to the very last of your branch site routers. You have been saving this branch till last for a very special reason. This is after all that branch site that is in the furthest darkest corner of the globe. Your company of course has no...

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