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Port Status and Configuration
Viewing Port Status and Configuring Port Parameters
Using the above ports:
■ If you connect a copper port using a straight-through cable on a switch to
a port on another switch or hub that uses MDI-X ports, the switch port
automatically operates as an MDI port.
■ If you connect a copper port using a straight-through cable on a switch to
a port on an end node, such as a server or PC, that uses MDI ports, the
switch port automatically operates as an MDI-X port.
ProCurve Auto-MDIX was developed for auto-negotiating devices, and was
shared with the IEEE for the development of the IEEE 802.3ab standard.
ProCurve Auto-MDIX and the IEEE 802.3ab Auto MDI/MID-X feature are
completely compatible. Additionally, ProCurve Auto-MDIX supports opera-
tion in forced speed and duplex modes.
If you want more information on this subject please refer to the IEEE 802.3ab
Standard Reference.
For more information on MDI-X, refer to the appendix titled “Switch Ports and
Network Cables” in the Installation and Getting Started Guide for your
switch.
Manual Override. If you require control over the MDI/MDI-X feature you can
set the switch to either of two non-default modes:
■ Manual MDI
■ Manual MDI-X
Table 10-2 shows the cabling requirements for the MDI/MDI-X settings.
Table 10-2. Cable Types for Auto and Manual MDI/MDI-X Settings
MDI/MDI-X Device Type
Setting PC or Other MDI Device Type Switch, Hub, or Other MDI-X Device
Manual MDI Crossover Cable Straight-Through Cable
Manual MDI-X Straight-Through Cable Crossover Cable
Auto-MDI-X
(The Default)
Either Crossover or Straight-Through Cable
10-22