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Same IOS versions globally

Hi everyone. I was just given a project on standards and would like to implement the same IOS versions in my offices' routers and switches globally? How should I go about this, and what are tools that can be used for such purposes, while miniziming impact such as downtime, etc? How does your organizations achieve this, if this is already in place? What are the hurdles faced and what are the things that I should look out for?

davidwainwright

The biggest hurdle you'll face is that even if you use the same IOS level, the feature sets will be different for different devices.

http://www.cisco.com/en/US/products/sw/iosswrel/ps1828/products_white_paper09186a008018305e.shtml#t14 has details of how the IOS are packaged...

logic2

If all your routers are of the same model then probably you wont have a problem
And you'd just get the lasted release from Cisco

However if your routers are different models
Then although the IOS may run, but sometimes you'd face bugs
i saw once an IOS giving problems when router is rebooted a command disappeared under the WAN interface.

Theoretically it is best to have the IOS that is designed for the model

leftrightleft

ASKER

Thanks for the answers but I am very interested to know how your organizations go about achieving this on a global basis.

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logic2

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davidwainwright

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