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Important: With this mode, the Ethernet switch module does not respond to
remote-management commands through the four external Ethernet ports on
the switch module.
See the applicable BladeCenter Installation and User's Guide on the IBM
BladeCenter Documentation CD for additional instructions for configuring the
Ethernet switch module for this mode of operation.
v The system administrator can choose to enable remote management of the
Ethernet switch module through the four external Ethernet ports on the
switch module, instead of or in addition to access through the management
module. This mode can only be enabled through the management module
configuration interface. Once this mode is enabled, the external Ethernet
ports will support both management traffic and BladeCenter application
data traffic. Also, the Ethernet switch module can transmit DHCP and
BOOTP request frames through the external Ethernet ports.
This mode allows the Ethernet switch module IP addresses to reside on a
different subnet than the management modules. This is useful when the
Ethernet switch modules are to be managed and controlled as part of the
overall network infrastructure, while maintaining secure management of
other BladeCenter subsystems through the management module. However,
management access to the Ethernet switch-module link will be lost if the
Ethernet switch module IP address is not on the same subnet as the
management module. The BladeCenter 4-Port Gb Ethernet Switch Module
Installation and User's Guide contains additional instructions for configuring
the Ethernet switch module for this mode of operation.
The two previously described modes are only applicable to the Ethernet switch
module. The management module can only be remotely accessed through the
10/100 Mbps Ethernet port on the management module.
Connecting to the switch module
Once you know the IP address for your switch module and provided that you
have an existing network connection, you can use the Telnet program (in
VT-100 compatible terminal mode) to access and control the switch module. If
you need to obtain the IP address for your switch module or establish a
network connection, consult your system or network administrator. Be sure to
use the correct IP address in the required command, as specified in "First-time
connection to the Ethernet switch module" on page 33.
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IBM BladeCenter 4-Port Gb Ethernet Switch Module: Installation Guide
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