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by tw04 2219 days ago
Cisco is already Linux based. IOS-XE and NX-OS.

https://en.m.wikipedia.org/wiki/Cisco_IOS_XE

https://en.m.wikipedia.org/wiki/Cisco_NX-OS
3 comments
12bits 2219 days ago
I like this comparison

https://medium.com/@Meela349588204/using-cows-to-explain-the...

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myrandomcomment 2218 days ago
If you want to enjoy even more pain, ah trivia I mean, NXOS and NXOS are not the same thing. Read it again. There is an NXOS train for the original 2/5/7K and current kit in that line, and there is another version for the 3/9K new kit from the ACI spin in. They are just different enough that it makes things difficult when you are trying to develop tools for them. Cisco has promised to merge the two for a long time now.
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p_l 2219 days ago
IOS-XE is essentially IOS Classic running as an application on top of Linux, communicating with the actual forwarding hardware. NX-OS is similar but without legacy of having been a standalone OS. Linux generally stays away from all networking work and just provides a nicer deployment target with nicer APIs than bare bones MIPS/PPC/x86
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Cyph0n 2219 days ago
IOS-XR is also Linux-based.
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p_l 2219 days ago
IOS-XR at least used to be QNX based, with somewhat distributed architecture (line cards running separate OS instances etc.)
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Cyph0n 2219 days ago
Yes, the QNX version (cXR) is approaching end-of-life afaik. The distributed architecture remains with the Linux version (eXR).
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p_l 2219 days ago
TIL. Thanks a lot :) is eXR used for the XRv?
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