N9K firmware upgrade

1.Pre-check the following commands before upgrade ES02
show version
show interface status
show interface brief
show ip interface brief
show run
show ip route
show standby brief
show ip arp
show mac address table
show boot
show run | in boot

 
2.Upgrade firmware ES02
Hostname#show install all impact nxos bootflash:nxos.9.3.12.bin
Hostname#install all nxos bootflash:nxos.9.3.12.bin
Press Y to proceed upgrade and automatically will reboot