4.6.1.5Start Diagnostic Application
This option boots the Broadcom diag shell, currently SDK version 5.4.1. This environment is provided as is, with no support. Several commands provided in this shell are not supported and will not work. This shell is provided mainly for debug, testing, and diagnostics purposes. This shell has many
4.7Primary and Backup Flash
The switch features hardware flash redundancy. If the switch fails to boot from the primary flash for any reason, the onboard IPMC will reset the board and attempt to boot out of the backup flash. No user interaction is required.
The switch backup flash comes preprogrammed with default settings. You can change what is loaded on the backup flash by using the Copy Primary Flash to Backup Flash command from the utility menu.
4.8Dual Firmware Images
The switch supports dual firmware images of the Base and Fabric software. While this feature does not provide high availability (the hardware redundant flash provides that), it does provide a way to store two copies of the firmware on the switch. This allows you to switch between firmware, as needed.
4.8.1Booting the Non-Active Image
Which image is active can be changed several ways.
From the boot menu, the Activate Backup Image option can be used.
From within FASTPATH the boot system command in combination with the update bootcode commands can be used.
