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Downgrade ios XR 6.6.3 to 6.4.2

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anas.abdullkarim
Level 1
Level 1

‎12-24-2022 05:26 AM - edited ‎12-24-2022 05:47 AM

hello, i have router a9k with ios XR 6.6.3

 

that any way to downgrade it to  6.4.2 

 

i have tar file of version 6.4.2

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tkarnani
Cisco Employee
Cisco Employee

‎12-24-2022 05:52 AM

is this 32bit or 64bit?

you can check the upgrade/downgrade guide, i have attached

 

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tkarnani
Cisco Employee
Cisco Employee

‎12-24-2022 05:52 AM

is this 32bit or 64bit?

you can check the upgrade/downgrade guide, i have attached

 

Preview file
642 KB
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anas.abdullkarim
Level 1
Level 1
In response to tkarnani

‎12-24-2022 09:17 AM

Hello,

Is 64-BIT

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