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3com S7906E Installationsanweisungen

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Figure 1-1 Relationship between the Boot ROM program and the system boot file 
Start
Boot ROM runs
Press Ctrl+B
Run boot file
Enter Boot ROM 
menu to upgrade the 
Boot ROM program 
or boot File
Yes
No
Select the Reboot option 
to reboot the device
Enter CLI
Finish
 
 
The Boot ROM program and system boot file can both be upgraded through the Boot ROM menu or 
command lines. The following sections describe the upgrading through command lines. For instructions 
about how to upgrade them through the Boot ROM menu, refer to the installation menu of your device. 
Upgrading the Boot ROM Program Through Command Lines 
Follow these steps to upgrade the Boot ROM program: 
1)  Copy the Boot ROM program to the root directory of the device's storage medium using FTP or 
TFTP. 
2)  Use a command to specify the Boot ROM program for the next boot. 
3)  Reboot the device to make the specified Boot ROM program take effect. 
z 
Distributed device 
Since the Boot ROM programs of the SRPUs and line processing units (LPUs) vary with devices, users 
are easily confused to make mistakes when upgrading Boot ROM. With the validity check function 
enabled, the device can strictly check the Boot ROM upgrade files for correctness and the version 
configuration information to ensure a successful upgrade. 
z 
Distributed IRF device 
Since the Boot ROM programs of member devices vary with member devices and cards in a IRF, users 
are easily confused to make mistakes when upgrading the Boot ROM. With the validity check function 
enabled, the device can strictly check the Boot ROM upgrade files for correctness and the version 
configuration information to ensure a successful upgrade. 
Follow these steps to upgrade the Boot ROM program: