Allied Telesis AlliedWare Plus Operating System Version 5.4.4C (x310-26FT,x310-26FP,x310-50FT,x310-50FP) - Manual (Page 388)

Switching Commands
Software Reference for x310 Series Switches
15.26 AlliedWare Plus TM Operating System - Version 5.4.4C C613-50046-01 REV A
polarity
This command sets the MDI/MDIX polarity on a copper-based switch port.
Syntax polarity {auto|mdi|mdix}
Default By default, switch ports set the polarity automatically (auto).
Mode Interface Configuration
Usage We recommend the default auto setting for MDI/MDIX polarity. Polarity applies to copper
10BASE-T, 100BASE-T, and 1000BASE-T switch ports; It does not apply to fibre ports. For
more information, see
“MDI/MDIX Connection Modes” on page 14.5 .
Example To set the polarity for port1.0.6 to fixed MDI mode, use the following commands:
Parameter Description
mdi Sets the polarity to MDI (medium dependent interface).
mdix Sets the polarity to MDI-X (medium dependent interface crossover).
auto The switch port sets the polarity automatically. This is the default option.
awplus# configure terminal
awplus(config)# interface port1.0.6
awplus(config-if)# polarity mdi