78
G8264 Installation Guide
Updating Firmware
If
firmware
updates
are
available,
you
can
download
them
from
the
Lenovo
website.
The
switch
might
have
features
that
are
not
described
in
the
documentation
that
comes
with
the
switch,
and
the
documentation
might
be
updated
occasionally
to
include
information
about
those
features,
or
technical
updates
might
be
available
to
provide
additional
information
that
is
not
included
in
the
switch
documentation.
Configuration
settings
are
lost
during
a
firmware
update.
Before
updating
the
firmware,
save
a
copy
of
the
configuration
to
a
separate
device.
In
the
event
of
a
failed
update,
the
saved
configuration
can
be
restored.
For
more
information
about
the
configuration
file,
see
the
Command
Reference
guide
for
your
specific
switch
and
firmware
version.
Attention:
Installing the wrong firmware update might cause the network switch to
malfunction. Before you install a firmware, read any release notes,
readme
files and
change history files that are provided with the downloaded update. These files
contain important information about the update and the procedure for installing the
update, including any special procedure for updating from an early firmware version
to the latest version.
To
check
for
firmware
and
documentation
updates,
go
to
the
Lenovo
website:
Note:
Changes
are
made
periodically
to
the
Lenovo
website.
Procedures
for
locating
firmware
and
documentation
might
vary
slightly
from
what
is
described
in
this
document.
Using the Boot Management Menu
The
Boot
Management
menu
enables
you
to
switch
the
firmware
image,
reset
the
switch
to
factory
defaults,
or
to
recover
from
a
failed
firmware
download.
You
can
interrupt
the
boot
process
and
enter
the
Boot
Management
menu
from
the
serial
console
port.
When
the
system
displays
Memory
Test,
press
Shift+B
.
The
Boot
Management
menu
is
displayed.
The
Boot
Management
menu
allows
you
to
perform
the
following
actions:
To
change
the
booting
image,
press
1
and
follow
the
screen
prompts.
To
change
the
configuration
block,
press
2
,
and
follow
the
screen
prompts.
Resetting
the
System
...
Memory
Test
................................
Boot
Management
Menu
1
Change
booting
image
2
Change
configuration
block
3
Boot
in
recovery
mode
(tftp
and
xmodem
download
of
images
to
recover
switch)
5
Reboot
6
Exit
Please
choose
your
menu
option:
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