[c-nsp] Nexus 7000 - vPC during NX-OS upgrade (ISSU)

[Ryan West]

On Jan 27, 2011, at 7:32 AM, <danvoyer at gmail.com<mailto:danvoyer at gmail.com>> wrote:

Yes, vPC is compatible with ISSU and both os will work together while upgrading both boxes.

But upgrading from 4.2 to 5.x is disruptive


+1

I'm sure the release notes say it, but the 4.x to 5.x major requires a full reload.  I spent a lot of time tracking down a BPDU rate limiting issue only to find the customer had ISSU'd from 4 to 5 and did not reload.