https://www.intel.com/content/www/us/en/download/18190/non-volatile-memory-nvm-update-utility-for-intel-ethernet-network-adapter-700-series.html


# if a vib
esxcli software vib install -v /vmfs/volumes/datastore1/INT_bootbank_int-esx-nvmupdaten64e_800.1.39.32.3-20143090.vib --no-sig-check

# if  a zip
esxcli software vib install -d /vmfs/volumes/6457c581-46674790-7bc7-d05099fbebc9/intel/700Series/ESXi_x64/Intel-esx-nvmupdaten64e_1.43.20.0-800.20613240.zip  --no-sig-check

# enable run all binaries
esxcli system settings advanced set -o /User/execInstalledOnly -i 0

# extract on datastore! i.e. to include all fw files
/vmfs/volumes/6457c581-46674790-7bc7-d05099fbebc9/intel/700Series/ESXi_x64/

# on esxi 8 the bin is installed at
/opt/nvmupdaten64e/bin/nvmupdaten64e

# finally! go to the datastore location where all files are extracted
cd /vmfs/volumes/6457c581-46674790-7bc7-d05099fbebc9/intel/700Series/ESXi_x64/
chmod 777 *
chmod +x *

# and beeing in that dir, call the fw upgrade tool!
/opt/nvmupdaten64e/bin/nvmupdaten64e