If running in Native mode the console session is done through the MSFC (RP). Because of this bootflash: is the MSFC's (RP) own bootflash:, and sup-bootflash: is the bootflash: of the supervisor (SP).
When the switch is rebooted and starts to load the supervisor boots up before the MSFC, and is not able to see the (RP) bootflash:. For this reason the native IOS image should be stored in sup-bootflash: or on sup-slot0:
We are pleased to announce availability of Beta software for 16.6.3. 16.6.3 will be the second rebuild on the 16.6 release train targeted towards Catalyst 9500/9400/9300/3850/3650 switching platforms. We are looking for early feedback from custome...