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Chapter 6. Configuring the switch module
The switch module has an internal Ethernet path to the management module,
eleven external Ethernet ports, and a serial console port. The switch module
supports two remote-access modes for management through Ethernet connections.
You can select the mode that is best suited for your BladeCenter environment.
v Default mode: The default mode uses the internal path to the management
v Remote management mode: You can enable remote management of the switch
The RS-232 console port provides an alternative path to manage and configure the
switch for local access.
Important:
v Before you configure the switch module, make sure that the management
v The default IP address of the switch module is 192.168.70.133, 192.168.70.134,
v If you change the IP address of the switch module and restart the BladeCenter
v The management module and the switch module can communicate with each
v When you use the management-module Web interface to update the
© Copyright IBM Corp. 2009, 2010
module only. In this mode, the remote-access link to the management console
must be attached to the Ethernet connector on the management module. The
Internet protocol (IP) addresses and SNMP parameters of the switch modules
can be automatically assigned by the IBM Director BladeCenter Deployment
wizard (when available), or you must assign them through the BladeCenter
Management and Configuration Program. This mode enables you to provide a
secure LAN for management of the BladeCenter subsystems that is separate
from the data network. See "Establishing a TCP/IP session through the
management module" on page 28 for more information.
module through the eleven external ports, instead of or in addition to access
through the management module. This mode can be enabled only through the
management-module configuration interface. When this mode is enabled, the ten
external SFP+ ports and the external RJ-45 Ethernet port support both
management traffic and BladeCenter application data traffic.
This mode enables the use of additional switch-module IP addresses on different
IP subnets than the management modules. This is useful when the switch
modules are to be managed and controlled as part of the overall network
infrastructure, while secure management of other BladeCenter subsystems is
maintained through the management module. See "Enabling management
through external ports" on page 29 for additional instructions about configuring
the switch module for this mode of operation.
modules in the BladeCenter unit are correctly configured. For more information
about configuring the switch module, see the following documents:
– Installation and User's Guide for the BladeCenter unit
– BladeCenter Advanced Management Module Installation Guide or BladeCenter T
Advanced Management Module Installation Guide
– IBM BladeCenter Advanced Management Module User's Guide
192.168.70.135, or 192.168.70.136, depending on the switch-module bay where it
is installed.
unit, the switch module maintains this new IP address as its default value.
other only if they are on the same IP subnet.
switch-module configuration, the management-module firmware saves the new
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