GigaX Series L3 Managed Switch User Guide

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5.1.2 Boot ROM Commands

Type “?” in the boot mode to display the valid commands list.

Table 7. Boot ROM commands

Command Parameters Usage Notes
d Address [,length] Dump memory contents by
giving address and length.
p NONE Display current boot
parameters
g NONE Execute firmware, enter
CLI mode
b O or 1 or a Dual image support. You
can choose the firmware to
execute by giving a slot ID,
or use “a” for auto select.
Auto-select will executethe
most updated firmware.
This is the default setting
When you fail in
firmware update, you
can use this command to
boot up the switch using
the old firmware.
Change it back to
auto-select mode after
successfully updating
the firmware.
s 0, 1, 2, 3 Set the console baud rate.
0: 9600bps
1:38400bps
2:57600bps
3:115200bps
You have to set up the
terminal emulator with
the same baud rate to
make the work
x NONE Upload firmware to the
switch It is slow to update
firmware by the console
port. If you lost network
connection to switch,
you can still update
firmware in this way
r NONE Toggle the safe mode When a configuration file
is corrupt or you forget
yourpassword, use safe
mode to enter CLI mode.
Your configuration file is
lost in this mode. You
need to restore your
configuration, or
re-configure the system