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Dell PowerEdge FN I/O Module Command Line Reference Guide 9.10(0.0)

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stack-unit portmode

Split a single 40G port into 4-10G ports on the switch.

Syntax

stack-unit stack-unit-number port number portmode quad

Parameters

stack-unit	Enter the stack member unit identifier of the stack member to reset. The range is 0 to 5. NOTE: The switch commands accept Unit ID numbers from 0 to 5, though the switch supports stacking up to three units only with the Dell Networking OS version 8.3.7.1.
number	Enter the port number of the 40G port to be split. Enter one of the following port numbers for the switch: 48, 52, 56, or 60.

Defaults

Disabled

Command Modes

CONFIGURATION

Supported Modes

Full–Switch

Command History

Version	Description
9.9(0.0)	Introduced on the FN IOM.
9.2(0.0)	Introduced on the M I/O Aggregator.
8.3.16.1	Introduced on the MXL 10/40GbE Switch IO Module.

Usage Information

Splitting a 40G port into 4x10G port is supported on standalone and stacked units.

You cannot use split ports as stack-link to stack a switch.
The split ports switch unit cannot be a part of any stacked system.
The unit number with the split ports must be the default (stack-unit 0).
This set up can be verified using show system brief command. If the unit ID is different than 0, it must be renumbered to 0 before ports are split by using the stackunit id renumber 0 command in EXEC mode.

The quad port must be in a default configuration before it can be split into 4x10G ports. The 40G port is lost in the config when the port is split, so be sure that 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.