I think currently Cisco's major SR supported product is IOS-XR right?
Because there is a lot of configuration examples easy to understand and some dCloud scenario which normally IOS-XR configuration and operation.
However in my understanding, other products such as ASR1K IOS-XE and Nexus3K/9K NX-OS also support but it is pretty difficult to confirm the feature difference. I appreciate if there is any pros and cons on the following products.
generally speaking, SR core technology is supported on all the aforementioned platforms along with SR-TE functionality. Being used mostly in SP underlay, a solid set of sub-features was destined to XR. This doesn't translate in lack of supported features for other platforms though. There are some minor differences of course, but i would not personally think about those in terms of pros and cons.
ISO images are as close as we can get to the old school classic IOS images from back in they day.
Doing upgrades by putting a new image on the flash, changing the boot pointer and reload was and is still the walhalla of Cisco based devices.
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