Extreme Networks 7720 - Secure Boot; Monitoring Secure Boot in Switch Engine; Troubleshooting Secure Boot Failures

Secure Boot
The status of the boot image verication can be monitored in the operating system.
Switch Engine
The Trusted Delivery eld in the output of the show switch and show system
commands in Switch Engine displays the status of the boot image verication. 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:
• Boot Image Veried
• Boot Image Verication Failed
Secure Boot Troubleshooting
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.
Extreme 7720 Hardware Installation Guide 17