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Dell PowerEdge FN I/O Module Configuration Guide 9.10(0.0)

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Merging SFP+ Ports to QSFP 40G Ports

To remove FANOUT mode in 40G QSFP Ports, use the following commands.

  1. Merge 4-10G ports to a single 40G port. CONFIGURATION mode no stack-unit port number portmode quad
    • stack-unit : Enter the stack member unit identifier of the stack member to reset. The range is from 0 to 5.
    • port < port number> : Enter the port number of the 40GbE QSFP+ port. Valid values on base module: 33 or 37; OPTM SLOT 0: 41 or 45; OPTM SLOT 1: 49 or 53.
    • portmode quad: Identifies the uplink port as a split 10GbE SFP+ port.
  2. Save the configuration and reload the switch. CONFIGURATION mode write memory reload

Important Points to Remember

  • You cannot use split ports as stack-link to stack an MXL Switch.
  • Split ports cannot be a part of any stacked system.
  • The quad port must be in a default configuration before it can be split into 4x10G ports.
  • The 40G port is lost in the configuration when the port is split; be sure the port is also removed from other L2/L3 feature configurations.
  • The system must be reloaded after issuing the CLI for the change to take effect.

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