Chapter 4. Configuration and networking guidelines
The BladeCenter components are configured and managed through one of the
management-module user interfaces or a system-management tool. See your
management-module User ’s Guide and Command Line Interface Reference Guide
for instructions.
Configuring the BladeCenter unit
The following sections provide information about configuring the components in the
Bladecenter unit.
v “Configuring the management module”
v “Configuring I/O modules”
v “Configuring blade servers”
Configuring the management module
All management modules are preconfigured with a static IP address. You can use
the management module to assign a new static IP address. To establish
connectivity, the management module attempts to use Dynamic Host Configuration
Protocol (DHCP) to acquire its initial IP address for the management module
Ethernet port. If DHCP is not installed or enabled and fails, the management
module uses the static IP address. Use the management module to configure other
BladeCenter component settings, such as user accounts or DHCP. See your
management-module User ’s Guide or Command Line Interface Reference Guide for
instructions.
Configuring I/O modules
You must install and configure at least one external (in-band) port on an Ethernet
switch module in I/O-module bay 1 or 2 to communicate with the Ethernet
controllers that are integrated in each blade server. See your management-module
User’s Guide and Command Line Interface Reference Guide for information about
configuring external ports on I/O modules. For I/O-device settings, see the
documentation that comes with your I/O device.
Note: If a pass-thru module is installed in I/O-module bay 1 or 2, you must
configure the network switch that the pass-thru module is connected to; see
the documentation that comes with the network switch.
Configuring blade servers
To achieve blade-server redundancy, you must configure the Ethernet controllers in
one or more blade servers for failover. When failover occurs on a blade server, the
secondary Ethernet controller takes over network communications, using the I/O
module that is associated with that controller. Install a pair of Ethernet switches in
I/O-module bays 1 and 2, and then configure them and your network infrastructure
so that they can direct traffic to the same destinations. You can also install a
pass-thru module that is connected to an external Ethernet switch in either or both
of these I/O-module bays. See the documentation that comes with your blade
server and operating system for instructions.
© Copyright IBM Corp. 2010 29
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