3Com MSR 20-20 Release Note page 11

3Com MSR Family Release Notes
Release Notes Software v5.20
•
Secure application file: default name is secure.bin, file type S. This file will be used to boot
the router when the main and backup file fails. The system will display a booting failure
message if the secure application file also fails.
Note:
•
Only the application file types M, B, and S can be used to boot the system. Applications
marked as N cannot be used to boot the router.
•
The names of the applications in Flash can be modified using CLI commands after the
router has started. Refer to the "System Management" document for more information
on the CLI commands. The application file types M, B, and N can be modified in either
the Boot ROM menu or by the CLI commands after the application is started.
Modifications to the file type of applications with type S are not allowed.
•
Because the secure boot file is the last file the system uses to boot properly, the file type
of secure boot file is not allowed to be changed, nor is it derived from any other type of
file. It can only be downloaded via the Boot ROM menu, and its name must be specified
as secure.bin. If you change the file name of the secure file using rename command
after the system has started, there is no secure boot file in Flash and you need to
download it again.
•
Only one file of each type (M, B, and S) can exist in Flash. For example, if a file of type M
and a file of type B exist in Flash, it is impossible to have a second file type of M or B. If
the file type of another application is to be changed to B, the existing file of type B will
be changed to N.
When you select option 4 in the Boot ROM menu, the following menu appears (suppose there
are four application files stored in Flash, all of which with following types:)
========================<File CONTROL>=======================
|Note:the operating device is CF Card
| <1> Display All File
| <2> Set Application
| <3> Set Configuration File type
| <4> Delete File
| <5> Exit To Main Menu
=============================================================
Enter your choice(1-5): 2
The following menu appears if you select 2, through which you can change the application file
type of any application file:
Please set application file type in cf:
M=MAIN
************************************************************************
****
NO. Size(B)
0 16633532
1 17646396
2 17675028
3 18260468
si.bin
************************************************************************
****
Enter File Name:
File type
B=BACKUP S=SECURE
Time
Oct-20-2006 16:38
Feb-15-2007 11:13
Mar-16-2007 11:31
Jul-31-2007 08:44
cf:/msr50-cmw520-b1508p01-si.bin
N=NOTYPE
Type Name
B cf:/MAIN.BIN
M cf:/old_image.bin
S cf:/secure.bin
N cf:/msr50-cmw520-b1508p01-
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