3 ms·IOS-XR is also Linux-based.by Cyph0n 6y agoIOS-XR is also Linux-based.p_l 6y agoIOS-XR at least used to be QNX based, with somewhat distributed architecture (line cards running separate OS instances etc.)Cyph0n 6y agoYes, the QNX version (cXR) is approaching end-of-life afaik. The distributed architecture remains with the Linux version (eXR).p_l 6y agoTIL. Thanks a lot :) is eXR used for the XRv?