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    • https://kb.netapp.com/on-prem/Switches/Brocade-KBs/Brocade_firmware_upgrade_failed_to_download_firmware_signature_0x40_to_remote_CP
      Brocade Fabric OS download command fails with the message: Failed to download firmware signature.. [1]: Sat Feb 13 20:06:46 2021 Slot 6 (CP0, active): Firmware is being downloaded to standby CP. This ...Brocade Fabric OS download command fails with the message: Failed to download firmware signature.. [1]: Sat Feb 13 20:06:46 2021 Slot 6 (CP0, active): Firmware is being downloaded to standby CP. This step may take up to 30 minutes. [2]: Sat Feb 13 20:06:49 2021 Slot 6 (CP0, active): Firmware download failed on standby CP - Failed to download firmware signature. (0x40) Path used in the firmwaredownload command points to the firmware.gz file. To check subnet for CP & Chassis use command ipaddrshow