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Cisco Bug: CSCvs08633 - N3k:Upgrade from U6.x to NXOS image and write erase breaks boot variable settings

Last Modified

Mar 13, 2020

Products (52)

  • Cisco Nexus 3000 Series Switches
  • Cisco Nexus 9516 Switch
  • Cisco Nexus 3548-X Switch
  • Cisco Nexus 3548 Switch
  • Cisco Nexus 31108TC-V Switch
  • Cisco Nexus 3132Q-V Switch
  • Cisco Nexus 9396PX Switch
  • Cisco Nexus 3064 Switch
  • Cisco Nexus 92304QC Switch
  • Cisco Nexus 93108TC-FX Switch
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Known Affected Releases


Description (partial)

The issue is reproducible with below steps situation:
- New N3k running with U6.x code
- Perform install all upgrade from U6.x to I7.x code
- Perform write erase and reload
- setup the device and perform "copy run start" and reload.
- The switch stays in loader prompt since there is no boot variable set and device needs to be booted up manually

Only if code upgrade from U6.x to I7.x and write erase /reload done.
No issue if the device is running U6.x code or I7.x code.
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Bug Details Include

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