Wednesday, June 9, 2021

Failover to image on USB (Cisco Cat3650)

We recently had an issue with an off-site office whose switch ended up with a corrupted image after consecutive power failures (no, no UPS, don't get me started). We've looked at leaving a USB drive on site with a working image, so that if someone has to make the long drive out everything is already there. However, I was thinking that, if we have that USB drive there, why not plug it into the switch and have it boot straight off it in the event the flash image gets mangled? The problem is I can't seem to get the bootvar to accept multiple paths. I know you can do this on a chassis system, but has anyone done this or something similar on an access switch?



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