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Notes:

1. All management modules are preconfigured with the same static IP address.

You can use the management-module Web interface or command-line interface
to assign a new static IP address for each BladeCenter unit. If DHCP is not
used and you do not assign a new static IP address for each BladeCenter unit
before attempting to communicate with the IBM Director software, only one
BladeCenter unit at a time can be added to the network for discovery. Adding
multiple units to the network without a unique IP address assignment for each
BladeCenter unit results in IP address conflicts.

2. For I/O-module communication with the IBM Director server through the

management-module external Ethernet port, the I/O module internal network
interface and the management-module internal and external interfaces must be
on the same subnet.

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 to communicate with the Ethernet controllers
that are integrated in each blade server. See the

BladeCenter Management Module

User’s Guide

and the

BladeCenter Management Module 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.
See “I/O (switch) modules” on page 34 for information about the location and
purpose of each I/O module.

Notes:

1. If a pass-thru module is installed in I/O-module bay 1, you must configure the

network switch that the pass-thru module is connected to; see the
documentation that comes with the network switch.

2. You can set up Ethernet failover by installing an Ethernet switch module in

I/O-module bay 2.

Configuring blade servers

To achieve communication redundancy on a blade server, you must configure the
Ethernet controllers on the 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; 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.

Using IBM Director

The IBM Director program is a system-management product that comes with the
BladeCenter unit. Through the remote connection on the management module, you
can use the IBM Director software at the IBM Director console to configure the
BladeCenter unit, modify the configuration, and set up more advanced features.

Notes:

1. Some tasks, such as software distribution, require an in-band connection from

the Director server through a campus (public) LAN to an I/O module port.

2. To manage BladeCenter redundant management modules with the IBM Director

software, IBM Director version 4.1.01 or greater is required.

BladeCenter E Type 8677 and 1881: Hardware Maintenance Manual and Troubleshooting Guide