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Chapter 4 Firmware and Blade Server Management 4-27
4.8 Multiplexing to Zones 2 and 3
A multiplexer (MUX) controller and ShMM configuration is available for use on
Netra CP3260 blade servers to multiplex 10GbE network interface unit (NIU) ports
to Zone 2 (backplane) and/or to Zone 3 (ARTM).
■ MUX control configurations take effect during the blade activation following the
configuration change
■ Both NIU ports are independently configurable
■ MUX configuration is persistent across reboots, resets, and hotswaps
■ MUX configuration remains persistent for the slot, so that if a blade is replaced
with another Netra CP3260 blade server, the new blade assumes the previous
configuration
Note – The host must be configured to match the MUX configuration.
For customers using blade servers in a Netra CT 900 chassis, a complete end-to-end
solution is provided. The MUX feature is implemented through the ShMM firmware
and IPMI commands on the IPMC. These commands extend MUX configuration
access to the management software so that during blade server hot-swaps, the MUX
configuration is persistent across blade server activations and deactivations.
Customers who use Sun Netra CP3260 blade servers in a third-party chassis, which
does not have the Netra CT 900 chassis ShMM management software implemented,
can save MUX configurations in a configuration file or in a persistent storage
managed by system management software. When the system management software
detects blade server activation, it sends the command to set MUX to the
programmed state. Because management software sends the command during every
blade server activation, the configuration is persistent across blade server
deactivation and activation.
Refer to the following documentation:
■ For ShMM commands, refer to the Netra CT 900 Server Administration and Reference
Manual (819-1177).
■ For IPMI commands, refer to the Netra CT 900 Software Developer’s Guide
(819-1178).
■ For payload configuration, see Section 3.2, “Configuring Payload OS NIU Driver
for Multiplexing to Zones 2 and 3” on page 3-2.