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Dell Chassis Management Controller Version 2.10 for PowerEdge FX2 and FX2s User's Guide

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Input Output Aggregator Module

You can view details of IOM on the RACADM interface, Chassis Health, IOM Overview, and IOM Status pages. This information can also be viewed from CMC RACADM.

The modes of the IOM are as follows:
  • Standalone
  • Stacking
  • PMux
  • Full Switch

You can view the IOM mode as a tool tip when you select IOM on the Chassis Health, I/O Module Status , and I/O Module Overview pages.

While changing the mode of an IOA that has a static IP, from stacking to standalone, ensure that the network for the IOA is changed to DHCP. Else, the static IP is duplicated on all the IOAs.

When the IOMs are in stacking mode, the stack ID is the same as the master IOM burned in the MAC during the initial power-on. The stack ID does not change when the IOM modes change. For example, during initial power-on, if switch-1 is the master, the mac address of the stack is identical to that of the switch-1 burned in the MAC address. Later, when switch-3 is the master, the switch-1 MAC address is retained as the stack ID.

The racadm command, getmacaddress, displays I/F MAC, which is burned in MAC address + 2.

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