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the switch through the external Gigabit Ethernet switch module connectors"
on page 24 for additional information. See the Cisco Systems Intelligent Gigabit
Ethernet Switch Modules Software Configuration Guide for additional
instructions about configuring the Gigabit Ethernet switch module for this
mode of operation.
Important:
v Before you configure the Gigabit Ethernet switch module, make sure that the
management modules in the BladeCenter unit are correctly configured. See
the Installation and User's Guide that came with your BladeCenter unit for
more information about configuring the Gigabit Ethernet switch module.
v The default IP address of the Gigabit Ethernet switch module is
192.168.70.127, 192.168.70.128, 192.168.70.129, or 192.168.70.130, depending on
the Gigabit Ethernet switch module bay where it is installed.
v If you change the IP address of the Gigabit Ethernet switch module and
restart the BladeCenter unit, the Gigabit Ethernet switch module maintains
this new IP address as its default value.
v The management module and the Gigabit Ethernet switch module can
communicate with each other only if they are on the same IP subnet.
v When you use the management-module Web interface to update the
switch-module configuration, the management-module firmware saves the
new configuration in its internal nonvolatile random-access memory
(NVRAM). If the Gigabit Ethernet switch module restarts, the management
module applies the saved configuration to the Gigabit Ethernet switch
module.
If, for some reason, the Gigabit Ethernet switch module restarts and the
management module cannot apply the saved configuration to the Gigabit
Ethernet switch module, the Gigabit Ethernet switch module defaults to
using the configuration that it had previously saved. If the subnet IP address
of the Gigabit Ethernet switch module does not match the subnet IP address
of the management module, you can no longer manage the Gigabit Ethernet
switch module.
v For switch communication with a remote management station, such as the
IBM Director server, through the management-module external Ethernet
port, the switch-module internal-network interface and the
management-module internal and external interfaces must be on the same IP
subnet.
See the documentation listed in the "Related documentation" on page 7 for
specific details about configuring the Gigabit Ethernet switch module and
preparing for system installation.
You can manage and configure the Gigabit Ethernet switch module using the
management module or an external switch interface. When the Gigabit
Ethernet switch module is set to use the factory default configuration, it can be
20
Cisco Systems Intelligent Gigabit Ethernet Switch Module: Installation Guide
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