3com Version 8.1.2 用户手册
20
C
ORE
B
UILDER
2500 I
NTELLIGENT
S
WITCHING
S
OFTWARE
V
ERSION
8.1.2
Installing the
System Software
The system software is organized in two files: an expander file
(
(
lpexpand
) and a compressed image file (
lp2500c
). The expander file
is a utility that expands the compressed image and moves it from flash
memory into random access memory on the system.
memory into random access memory on the system.
To install system software, you complete these four tasks:
■
Retrieve the expander file:
lpexpand
■
Retrieve the compressed image:
lp2500c
■
Reboot the system
■
Retrieve the compressed image again:
lp2500c
Detailed instructions for each task are provided next.
Loading the Expander File
To load the expander file onto the CoreBuilder 2500 system, follow these
steps:
steps:
1 To ensure that no other administrative sessions can occur during the
update process, lock the Administration Console:
a From the top level of the Administration Console, enter:
system consoleLock
b At the prompt, enter:
on
If you completed step 1 in “Installing the Diagnostic Software” earlier in
these release notes, the consoleLock is already set to
these release notes, the consoleLock is already set to
on
.
CAUTION: If another user logs into the system using telnet while a
software update is taking place, the software images that are stored in
flash memory may become corrupted.
software update is taking place, the software images that are stored in
flash memory may become corrupted.