Table
10
summarizes
the
types
of
modules
that
can
be
used
in
each
I/O-module
bay.
Table
10.
I/O
Modules
Bays
I/O-module
function
Permissible
I/O
module
1
and
2
Network
connections
1
and
2
(Ethernet)
for
all
blade
servers
in
the
BladeCenter
T
unit
One
of
the
following
combinations:
v
Two
Ethernet
switch
modules
v
Two
pass-through
modules
v
One
Ethernet
switch
module
and
one
pass-through
module
3
and
4
Network
connections
3
and
4
(for
all
I/O
expansion
options
on
blade
servers
in
the
BladeCenter
T
unit)
One
of
the
following
combinations:
v
Two
Ethernet
switch
modules
v
Two
fibre-channel
switch
modules
v
Two
pass-through
modules
Important:
v
The
modules
used
must
support
the
network
interface
used
on
the
I/O
expansion
options.
v
The
I/O
modules
in
bays
3
and
4
must
the
same
type.
Notes:
1.
The
enumeration
of
the
Ethernet
controllers
in
a
blade
server
is
operating-system
dependent.
You
can
verify
the
Ethernet
controller
designations
a
blade
server
uses
through
your
operating
system
settings.
2.
The
routing
of
an
Ethernet
controller
to
a
particular
I/O-module
bay
depends
on
the
type
of
blade
server.
You
can
verify
which
Ethernet
controller
is
routed
to
which
I/O-module
bay
by
using
the
following
test:
v
Install
only
one
Ethernet
switch
module
or
pass-through
module,
in
I/O-module
bay
1.
v
Make
sure
the
ports
on
the
switch
module
or
pass-through
module
are
enabled
(
I/O
Module
Tasks
Management
Advanced
Management
in
the
management
module
Web-based
user
interface).
v
Enable
only
one
of
the
Ethernet
controllers
on
the
blade
server.
Note
the
designation
the
blade
server
operating
system
has
for
the
controller.
v
Ping
an
external
computer
on
the
network
connected
to
the
switch
module
or
pass-though
module.
If
you
can
ping
the
external
computer,
the
Ethernet
controller
you
enabled
is
associated
with
the
I/O
module
in
I/O-module
bay
1.
The
other
Ethernet
controller
in
the
blade
server
is
associated
with
the
I/O
module
in
I/O-module
bay
2.
Chapter
2.
BladeCenter
T
unit
components
33
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