The status of the boot image verification can be monitored in the operating system.
The Trusted Delivery field in the output of the show switch and show system commands in
Switch Engine displays the status of the boot image verification. For example:
5520-24X-EXOS.2 # sh switch SysName: 5520-24X-EXOS SysLocation: SysContact: https://www.extremenetworks.com/support/ System MAC: 00:04:96:F2:F8:00 System Type: 5520-24X-EXOS SysHealth check: Enabled (Normal) Recovery Mode: All System Watchdog: Enabled Trusted Delivery: Boot Image Verified Current Time: Mon Jul 27 19:35:03 2020 Timezone: [Auto DST Disabled] GMT Offset: 0 minutes, name is UTC. Boot Time: Mon Jul 27 19:31:50 2020
Trusted delivery can only be in one of two states:
The Trusted Delivery Status field in the show sys-info command in Fabric Engine displays the status of the boot image verification. For example:
U-Boot Info :
----------------------------------------------------------------------------------------------------
Default Version : 2.2.1.3
Alternate Version : 2.2.1.3
Boot Version Used : Default
Trusted Delivery Status : Boot Image Verified
Trusted delivery status can only be in one of two states:
When there is a secure boot validation failure, the switch is booted to a recovery stage or halts. Contact GTAC for assistance with recovering the switch.