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Backup the running config off of the switch
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Verify you have sufficient space on both Sup’s; delete older unused file images (not the current image!) if required
dir bootflash://sup-local/
dir bootflash://sup-standby/
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Copy the image to the active Sup. I find FTP the easiest
copy ftp://user@<ftp-IP>/nxos.7.0.3.I2.2d.bin bootflash: nxos.7.0.3.I2.2d.bin
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Verify checksum
show file bootflash://sup-1/nxos.7.0.3.I2.2d.bin sha256sum
Result should be:
d02606aba9f95563d1be810f4b5c0795db5c87ee50f5e552dc4de9015264d18b4ab69e3ad51558e19e04046d3c4319c8378b0ad6d493b8cdcb25a12d7c6806f4
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Verify install impact
show install all impact nxos bootflash:nxos.7.0.3.I2.2d.bin
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Save the running config
copy running-config startup-config
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Launch the install script. For the current version it will be impactful (forced reload)
install all nxos bootflash:nxos.7.0.3.I2.2d.bin