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back to article Buggy power supply can brick buggy Nexus switches

Network admins in Cisco Nexus shops might want to check their inventories for a particular combination of switches and power supplies. A reader alerted Vulture South to two field notices: FN63893 and FN64094. On their own, they're just routine, but together on the same device they can brick the switch. The first relates to …

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  1. Jo_seph_B

    Luck

    Found this by luck back in Jan before doing a firmware upgrade. Cisco TAC had no idea. Had I not found it via google and some kind chap who warned people on their support forums I'd have had a long weekend!!!

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    1. Jo_seph_B
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      Re: Luck

      This is the thread that saved my bacon. Its a year old so this isn't a 'new' issue for Cisco. Just not one they seem keen to advertise. Which is a shame as I suspect they've had to RMA quite a few devices due to this issue.

      https://supportforums.cisco.com/discussion/12333406/cisco-nexus-5596-does-not-boots-after-nx-os-upgrade-513n11-602n25-cscun66310

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