7. The Firmware Upgrade Utility
55
Firmware Upgrade Recovery
There are basically three conditions that call for firmware upgrade recovery:
When you invoke Firmware Upgrade Mode (see
but decide not to proceed with the upgrade.
When the Mainboard firmware upgrade fails.
When the I/O firmware upgrade fails.
To perform a firmware upgrade recovery, do the following:
1. Power off the switch. If it is part of a cascade, disconnect it from the
group.
2. Connect the
Firmware Upgrade Cable
to its
Firmware Upgrade Port
.
3. Slide the
Firmware Upgrade Recovery Switch
to the
Recover
position.
4. Power the switch back on and repeat the upgrade procedure.
5. After the switch has been successfully upgraded, power it off, and slide the
Firmware Upgrade Recovery Switch
back to the
Normal
position.
6. If the switch is part of a cascade, return it to the group.
7. Power the switch back on
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