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Beginner

upgrade Cisco 2821 to IOS 15

Hi everyone,

 

I am currently going to upgrade the Cisco 2821 IOS to version 15. Do I need to apply any licences for advice ip service after the upgrade. thanks for the help in advance.

 

Kind Regards,

Lei

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Hall of Fame Community Legend

ISR G1 doesn't have any

ISR G1 doesn't have any "licenses".  Just make sure you are upgrading to the same Feature Set as your old IOS.  

 

Read the Release Notes carefully.  Make sure you have adequate DRAM and Flash.

3 REPLIES 3
Hall of Fame Community Legend

ISR G1 doesn't have any

ISR G1 doesn't have any "licenses".  Just make sure you are upgrading to the same Feature Set as your old IOS.  

 

Read the Release Notes carefully.  Make sure you have adequate DRAM and Flash.

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Beginner

Thanks Leo.

Thanks Leo.

Hall of Fame Community Legend

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