NEC QX-S5500G Series - Upgrade Methods

Installation Guide
QX-S5500G Series Ethernet Switches
6. Upgrading software
6-2
Figure 6-1 System startup process
Start
Boot ROM runs
Press Ctrl+B
promptly?
Startup software
images run
Enter Boot menu to
upgrade Boot ROM or
startup software
images
Yes
No
System starts up
and CLI
appears
Finish
6.3 Upgrade methods
Upgrading method Software types Remarks
Upgrading from the CLI

Boot ROM images

Software images
You must reboot the switch to
complete the upgrade.
This method can interrupt ongoing
network services.