and
remote
management
station.
This
is
in
addition
to
the
IP
addresses
that
are
configured
on
the
management
module.
You
might
also
have
to
use
the
user
interface
on
the
switch
module
to
configure
the
switch
external
ports
to
operate
in
the
correct
link
aggregation
(trunking)
mode,
or
to
configure
any
VLANs
or
other
special
conditions.
To
allow
blade
servers
to
communicate
with
the
network,
make
sure
that
the
External
ports
configuration
item
in
the
management
module
is
set
to
Enabled
.
In
the
management-module
Web
interface,
under
I/O
Module
Tasks
,
click
Management
”
Bay
n
”
Advanced
Management
”
Advanced
Setup
and
enable
the
item
(where
n
is
the
number
of
the
I/O
bay).
To
access
the
user
interface
using
external
ports
on
the
switch
module,
make
sure
that
the
External
management
over
all
ports
configuration
item
is
set
to
enabled.
See
your
network
administrator
before
enabling
this
feature.
Because
all
blade
servers
in
the
BladeCenter
T
unit
share
access
to
the
external
LAN
through
the
switch
ports,
you
can
configure
the
ports
on
a
switch
module
to
operate
together
as
an
aggregate
link,
or
trunk.
An
aggregate
link
provides
more
bandwidth
than
a
single
link
to
the
attached
LAN.
Notes:
1.
The
attaching
LAN
switch
must
have
a
compatible
multiport
trunk
configuration.
2.
Configure
link
aggregation
before
you
attach
cables
between
the
external
ports
and
your
LAN
equipment.
Configure
the
switch
through
the
user
interface
on
the
switch
module,
which
you
can
access
through
the
Web
interface
to
the
management
module
(click
I/O
Module
Tasks
”
Management
”
Advanced
Management
”
Start
Telnet/Web
Session
in
the
navigation
pane
).
Important:
For
a
remote
management
station,
such
as
a
management
server,
to
communicate
with
the
switch
modules
in
the
BladeCenter
T
unit,
the
management
port
of
the
switch
module
must
be
on
the
same
subnet
as
the
management
module.
Supporting
Ethernet
failover
To
have
the
BladeCenter
T
unit
support
Ethernet
failover
on
the
blade
servers,
set
up
the
BladeCenter
T
unit
and
blade
servers
as
follows:
1.
Configure
the
Ethernet
controllers
in
one
or
more
blade
servers
for
failover
(see
the
blade
server
documentation
and
the
operating-system
documentation
for
information).
When
failover
occurs
on
a
blade
server,
the
secondary
Ethernet
controller
takes
over
network
communication,
using
the
I/O
module
associated
with
that
controller.
2.
Install
a
switch
module
or
a
pass-thru
module
that
is
connected
to
external
Ethernet
switches
in
both
I/O-module
bays
1
and
2.
3.
Configure
the
Ethernet
switch
modules
and
your
network
infrastructure
so
that
they
can
direct
traffic
to
the
same
destinations.
Configuring
the
Ethernet
controllers
in
the
blade
servers
Note:
The
BladeCenter
T
unit
does
not
include
an
Ethernet
switch
module;
this
is
an
optional
feature
that
must
be
purchased
separately.
An
Ethernet
switch
module
or
a
pass-thru
module
is
connected
to
an
external
Ethernet
switch
30
BladeCenter
T
Type
8720
and
8730:
Hardware
Maintenance
Manual
and
Troubleshooting
Guide
Summary of Contents for 87302RU
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