Management and Configuration Guide K/KA/KB.15.15

Table 3 Status and parameters for each port type (continued)
DescriptionStatus or parameter
10/100/1000Base-T Ports:
• Auto-MDIX (default): Senses speed and negotiates with the port at the other end of
the link for port operation (MDI-X or MDI.)
To see what the switch negotiates for the auto setting, use theCLI show interfaces
brief command or the 3. Port Status option under 1. Status and
Counters in the menu interface.
• MDI: Sets the port to connect with a PC using a crossover cable (manual
mode—applies only to copper port switches using twisted-pair copper Ethernet cables)
• MDIX: Sets the port to connect with a PC using a straight-through cable (manual
mode—applies only to copper port switches using twisted-pair copper Ethernet cables)
• Auto-10: Allows the port to negotiate between half-duplex (HDx) and full-duplex
(FDx) while keeping speed at 10 Mbps. Also negotiates flow control (enabled or
disabled.) HP recommends auto-10 for links between 10/100 auto-sensing ports
connected with Cat 3 cabling. (Cat 5 cabling is required for 100 Mbps links..)
• 10HDx:10 Mbps, half-duplex
• 10FDx: 10 Mbps, full-duplex
• Auto-100: Uses 100 Mbps and negotiates with the port at the other end of the link
for other port operation features.
• Auto-10-100: Allows the port to establish a link with the port at the other end at
either 10 Mbps or 100 Mbps, using the highest mutual speed and duplex mode
available. Only these speeds are allowed with this setting.
• Auto-1000: Uses 1000 Mbps and negotiates with the port at the other end of the
link for other port operation features.
• 100Hdx: Uses 100 Mbps, half-duplex.
• 100Fdx: Uses 100 Mbps, full-duplex
Gigabit Fiber-Optic Ports (Gigabit-SX, Gigabit-LX, and Gigabit-LH):
• 1000FDx: 1000 Mbps (1 Gbps), full-duplex only
• Auto (default): The port operates at 1000FDx and auto-negotiates flow control with
the device connected to the port.
Gigabit Copper Ports:
• 1000FDx: 1000 Mbps (1 Gbps), full-duplex only
• Auto (default): The port operates at 1000FDx and auto-negotiates flow control with
the device connected to the port.
10-Gigabit CX4 Copper Ports:
• Auto: The port operates at 10 gigabits FDx and negotiates flow control. Lower speed
settings or half-duplex are not allowed.
10-Gigabit SC Fiber-Optic Ports (10-GbE SR, 10-GbE LR, 10-GbE ER):
• Auto: The port operates at 10 gigabits FDx and negotiates flow control. Lower speed
settings or half-duplex are not allowed.
NOTE: Conditioning patch cord cables are not supported on 10-GbE.
The switch supports Auto-MDIX on 10Mb, 100Mb, and 1 Gb T/TX (copper) ports. (Fiber
ports and 10-gigabit ports do not use this feature.)
Auto-MDIX
• Automdix: Configures the port for automatic detection of the cable type
(straight-through or crossover.)
• MDI: Configures the port to connect to a switch, hub, or other MDI-X device with a
straight-through cable.
• MDIX: Configures the port to connect to a PC or other MDI device with a
straight-through cable.
102 Port Status and Configuration