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Also refer this document which will give you some updates for redundancy of SUPhttps://www.cisco.com/c/en/us/support/docs/interfaces-modules/catalyst-9600-series-supervisor-engine-1/216193-replace-a-supervisor-module-or-stack-mem.html#toc-hId-3547633
Hi,To install new SUP in your existing chassis, first of all you need a downtime to bring the switch down.1. you have to take the back up of the switch.2. Install the new SUP and bring it up and check the software version and bring both sup in same v...
E & A defines the licensing model, A represents Advantage which has extra features compare to E (Essential).refer below matrixEnterprise Networks Software Subscription Matrix for Switching - Cisco
Use command in Configuration mode, which will bring your interface to default configuration.default int gig X/XDefault int range gig X/X - X (for multiple interfaces)