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Integrated Dell Remote Access Controller 9 User's Guide

Viewing FlexAddress mezzanine card fabric connections

In blade servers, FlexAddress allows the use of persistent, chassis-assigned World Wide Names and MAC addresses (WWN/MAC) for each managed server port connection.

You can view the following information for each installed embedded Ethernet and optional mezzanine card port:
  • Fabrics to which the cards are connected.
  • Type of fabric.
  • Server-assigned, chassis-assigned, or remotely assigned MAC addresses.

To view the Flex Address information in iDRAC, configure and enable the Flex Address feature in Chassis Management Controller (CMC). For more information, see the Chassis Management Controller User's Guide available at https://www.dell.com/cmcmanuals. Any existing Virtual Console or Virtual Media session terminates if the FlexAddress setting is enabled or disabled.

NOTE To avoid errors that may lead to an inability to turn on the managed system, you must have the correct type of mezzanine card installed for each port and fabric connection.

The FlexAddress feature replaces the server–assigned MAC addresses with chassis–assigned MAC addresses and is implemented for iDRAC along with blade LOMs, mezzanine cards and I/O modules. The iDRAC FlexAddress feature supports preservation of slot specific MAC address for iDRACs in a chassis. The chassis–assigned MAC address is stored in CMC non–volatile memory and is sent to iDRAC during an iDRAC boot or when CMC FlexAddress is enabled.

If CMC enables chassis–assigned MAC addresses, iDRAC displays the MAC address on any of the following pages:
  • System > Details > iDRAC Details.
  • System > Server > WWN/MAC.
  • iDRAC Settings > Overview > Current Network Settings.
CAUTION With FlexAddress enabled, if you switch from a server–assigned MAC address to a chassis–assigned MAC address and vice–versa, iDRAC IP address also changes.

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