3Com 3C13840, Installation Manual

Page: 37 / 82

5
S
OFTWARE MAINTENANCE
Software
Maintenance
Overview
The files managed by the Router are of 3 types:
■
Boot ROM program files
■
Application program files
■
Configuration files
The maintenance of the Router involves mainly the three aforementioned types of
files. Only the software maintenance functions listed in Boot menu, for example
upgrading of application files, are discussed here. For details about other
functions
.
Boot Menu Boot main menu and Boot sub-menu will be used during the maintenance of the
router software. Boot sub-menu can upgrade and start program. While Boot main
menu upgrades and starts application program.
Build up a configuration environment and then boot the Router.
1 Enter <N> and the following information will be displayed on the terminal
screen:
Press CTRL+A to Stop AutoBoot!
Starting...
2 Press <Ctrl+A> in five seconds after “Starting...” pops up, then the system
enters Boot sub-menu.
In order to access the Boot sub-menu, you shall press <Ctrl+A> within five seconds
after the information “starting…” appears. Otherwise the system will directly enter
Boot main menu if no error is found in system checks.
If you do not press <Ctrl+A> as required, then the system will check the code for
Boot main system when Boot sub-system starts.