the
switch
through
the
external
Gigabit
Ethernet
switch
module
connectors”
on
page
24
for
additional
information.
See
the
Cisco
Systems
Intelligent
Gigabit
Ethernet
Switch
Modules
Software
Configuration
Guide
for
additional
instructions
about
configuring
the
Gigabit
Ethernet
switch
module
for
this
mode
of
operation.
Important:
v
Before
you
configure
the
Gigabit
Ethernet
switch
module,
make
sure
that
the
management
modules
in
the
BladeCenter
unit
are
correctly
configured.
See
the
Installation
and
User’s
Guide
that
came
with
your
BladeCenter
unit
for
more
information
about
configuring
the
Gigabit
Ethernet
switch
module.
v
The
default
IP
address
of
the
Gigabit
Ethernet
switch
module
is
192.168.70.127,
192.168.70.128,
192.168.70.129,
or
192.168.70.130,
depending
on
the
Gigabit
Ethernet
switch
module
bay
where
it
is
installed.
v
If
you
change
the
IP
address
of
the
Gigabit
Ethernet
switch
module
and
restart
the
BladeCenter
unit,
the
Gigabit
Ethernet
switch
module
maintains
this
new
IP
address
as
its
default
value.
v
The
management
module
and
the
Gigabit
Ethernet
switch
module
can
communicate
with
each
other
only
if
they
are
on
the
same
IP
subnet.
v
When
you
use
the
management-module
Web
interface
to
update
the
switch-module
configuration,
the
management-module
firmware
saves
the
new
configuration
in
its
internal
nonvolatile
random-access
memory
(NVRAM).
If
the
Gigabit
Ethernet
switch
module
restarts,
the
management
module
applies
the
saved
configuration
to
the
Gigabit
Ethernet
switch
module.
If,
for
some
reason,
the
Gigabit
Ethernet
switch
module
restarts
and
the
management
module
cannot
apply
the
saved
configuration
to
the
Gigabit
Ethernet
switch
module,
the
Gigabit
Ethernet
switch
module
defaults
to
using
the
configuration
that
it
had
previously
saved.
If
the
subnet
IP
address
of
the
Gigabit
Ethernet
switch
module
does
not
match
the
subnet
IP
address
of
the
management
module,
you
can
no
longer
manage
the
Gigabit
Ethernet
switch
module.
v
For
switch
communication
with
a
remote
management
station,
such
as
the
IBM
Director
server,
through
the
management-module
external
Ethernet
port,
the
switch-module
internal-network
interface
and
the
management-module
internal
and
external
interfaces
must
be
on
the
same
IP
subnet.
See
the
documentation
listed
in
the
“Related
documentation”
on
page
7
for
specific
details
about
configuring
the
Gigabit
Ethernet
switch
module
and
preparing
for
system
installation.
You
can
manage
and
configure
the
Gigabit
Ethernet
switch
module
using
the
management
module
or
an
external
switch
interface.
When
the
Gigabit
Ethernet
switch
module
is
set
to
use
the
factory
default
configuration,
it
can
be
20
Cisco
Systems
Intelligent
Gigabit
Ethernet
Switch
Module:
Installation
Guide
Summary of Contents for Ethernet switch
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