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Dell Chassis Management Controller Version 3.10 for Dell EMC PowerEdge VRTX User's Guide

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Configuring FlexAddress

FlexAddress is an optional upgrade that allows server modules to replace the factory-assigned WWN/MAC address with a WWN/MAC address provided by the chassis.

  • NOTE: In this section, the term FlexAddress also indicates FlexAddress Plus.
  • NOTE: By using the racresetcfg subcommand, you can reset the Flex Address of a CMC to its factory-default setting, which is “disabled”. The RACADM syntax is: 
    racadm racresetcfg -c flex
    For more information about the FlexAddress-related RACADM commands and data about the other factory-default properties, see the Chassis Management Controller for PowerEdge VRTX RACADM Command Line Reference Guide available at dell.com/cmcmanuals.

The server must be turned off before you begin configuration. You can enable or disable FlexAddress on a per-fabric–basis. Additionally, you can enable or disable the feature on a per-slot–basis. After you enable the feature on a per-fabric–basis, you can select slots to be enabled. For example, if Fabric-A is enabled, any slots that are enabled have FlexAddress enabled only on Fabric-A. All other fabrics use the factory-assigned WWN/MAC on the server.

  • NOTE: FlexAddress does not take effect on a server module until the next reboot. When the FlexAddress feature is deployed for the first time on a given server module, it requires a power-down and power-up sequence for FlexAddress to take effect. FlexAddress on Ethernet devices is programmed by the server module BIOS. For the server module BIOS to program the address, it needs to be operational which requires the server module to be powered up. When the power-down and power-up sequences complete, the chassis-assigned MAC addresses are available for Wake-On-LAN (WOL) function.

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