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NCS-55A1 32-bit IOS-XR

Hi everyone,

I would like to know whether NCS-55A1-24H can run 32-bit IOS-XR. If yes, which versions?

Many thanks!

1 Accepted Solution

Accepted Solutions

anpetit
Cisco Employee
Cisco Employee

Hello @miljan-kostadinovic ,
Hope you are doing well. 

NCS-55A1-24H only runs "evolved" XR (eXR), a 64-bit flavor of XR implemented as a couple of linux containers (LXC) on a linux kernel.
Regarding 32 bits XR, also called original, "classic" XR (cXR) was on CRS platform and early ASR9K and ran on top of a QNX kernel.


Please, let me know if my answer helped you. 

Kind Regards,

View solution in original post

2 Replies 2

anpetit
Cisco Employee
Cisco Employee

Hello @miljan-kostadinovic ,
Hope you are doing well. 

NCS-55A1-24H only runs "evolved" XR (eXR), a 64-bit flavor of XR implemented as a couple of linux containers (LXC) on a linux kernel.
Regarding 32 bits XR, also called original, "classic" XR (cXR) was on CRS platform and early ASR9K and ran on top of a QNX kernel.


Please, let me know if my answer helped you. 

Kind Regards,

Hello @anpetit ,

Thank you for your fast answer. That's the information that I needed.

Best regards,