ā02-20-2014 12:27 AM - edited ā03-04-2019 10:23 PM
hello
Kindly help on how to upgrde cisco 1801 ios version 12.4 to 15.1 step by step
thx
joseph
Solved! Go to Solution.
ā02-20-2014 12:50 AM
Hi,
IOS install procedure is covered here:
Some things to watch out for:
- make sure you have enough space on your flash for both old and new IOS then you can roll back if need be
- 15 IOS functionality is controlled by licensing whereas 12.4 is not so be aware that you may have to pay for certain features.
ā02-20-2014 12:50 AM
Hi,
IOS install procedure is covered here:
Some things to watch out for:
- make sure you have enough space on your flash for both old and new IOS then you can roll back if need be
- 15 IOS functionality is controlled by licensing whereas 12.4 is not so be aware that you may have to pay for certain features.
ā02-20-2014 01:13 AM
Hello mfurnival,
Thanks for quick respond
How to take backup of IOS image from v15.1 cisco and overwrite to 12.4 v
Joseph
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