Users Guide

Table Of Contents
Using FlexAddress and FlexAddress Plus
cards
This section provides information about FlexAddress and how to use FlexAddress Plus card to configure FlexAddress.
NOTE: The FlexAddress feature is licensed. This feature license is included in the Enterprise License.
Topics:
• About FlexAddress
• Configuring FlexAddress
• Command messages
• FlexAddress DELL SOFTWARE LICENSE AGREEMENT
• Viewing WWN or MAC address information
• Viewing basic WWN or MAC address information using web interface
• Viewing advanced WWN or MAC address information using web interface
• Viewing WWN or MAC address information using RACADM
About FlexAddress
FlexAddress allows CMC to assign WWN/MAC IDs to a particular slot and override the factory IDs. Hence, if the server module
is replaced, the slot based WWN/MAC IDs remain the same. This feature eliminates the need to reconfigure Ethernet network
management tools, SAN resources, DHCP servers, and routers for various fabrics for a new server module.
Every server module is assigned unique WWN and/or MAC IDs as part of the manufacturing process. Without FlexAddress, if a
server had to be replaced with another server module, the WWN/MAC IDs changes and Ethernet network management tools
and SAN resources had to be reconfigured to identify the new server module.
If the server is inserted in a new slot or chassis, the server-assigned WWN/MAC is used unless that chassis has the FlexAddress
feature enabled for the new slot. If you remove the server, it will revert to the server-assigned address.
Additionally, the override action only occurs when a server module is inserted in a FlexAddress enabled chassis; no permanent
changes are made to the server module. If a server module is moved to a chassis that does not support FlexAddress, the
factory-assigned WWN/MAC IDs is used.
CMC FX2/FX2S chassis is shipped with the FlexAddress Plus SD card, which supports FlexAddress, FlexAddress Plus, and
Extended Storage features.
NOTE:
Data contained on the FlexAddress Plus SD card is encrypted and may not be duplicated or altered in any manner,
because it may inhibit system function and cause the system to not function properly.
NOTE: The use of a FlexAddress Plus SD card is limited to one chassis only. You cannot use the same FlexAddress Plus SD
card on another chassis.
About FlexAddress Plus
Each FlexAddress Plus feature card contains unique pool of MAC/WWNs that allow the chassis to assign World Wide Name/
Media Access Control (WWN/MAC) addresses to Fibre Channel and Ethernet devices. Chassis assigned WWN/MAC addresses
are globally unique and specific to a server slot.
Before installing FlexAddress, you can determine the range of MAC addresses contained on a FlexAddress feature card by
inserting the SD card into an USB Memory Card Reader and viewing the pwwn_mac.xml file. This clear text XML file on the
SD card contains an XML tag mac_start that is the first starting hex MAC address that is used for this unique MAC address
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