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Community Member

IOS situations.

I have Cisco MC3810 routers.. what release of IOS would you recommend for them?.. they all have mixed versions.. 12.0.. 12.1..and 12.2.. is it bad to have mixed modes... if i upgrade will i lose my current config.. help!

2 REPLIES
Community Member

Re: IOS situations.

The answer is "No" you are totally safe to upgrade IOS and the configs will remain on the device.

Regards

Barry Hart

Red

Re: IOS situations.

It is always a good idea to backup the configs prior

to any IOS upgrade. To do that, set up a tftp server

and issue the command:

copy start tftp

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