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1. Multi-Site requires BGP EVPN. Flood & Learn (F&L) is not supported for VXLAN Multi-Site architecture.2. Both are valid designs, and the choice depends on your traffic model.
Beginning with Cisco NX-OS release 10.4(3)F, SSH based authorization of X.509 certificates using TACACS+ server can be done using the aaa authorization ssh-certificate default group command on the Cisco Nexus 9000 Series platform switches.https://www...
The fan speed is impacted not only by the chassis sensor but also by the optical module sensor. You can check the temperature by `show interface transceiver detail`. But anyway, it looks more like a software bug. I suggest you try upgrading.
Try a common workaround for the fan speed bug:conf thardware fan-zone 1 raise-speed 255no hardware fan-zone 1 raise-speed 255This appears to be a bug. You may want to upgrade to the latest software version that still supports this hardware.