MNS-BB Software User Guide
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To see what the switch negotiated for the Auto setting, use the
CLI show port command.
9 1000Fdx: 1000 Mbps (1Gbps), Full-Duplex only
9 100Fdx: 100 Mbps, Full-Duplex
Notes:
• To change the port speed on a transceiver port you are required
to reboot the switch.
• Ensure that the device attached to the port is configured for the
same setting that you selected here.
Also, if “ Auto” is used, the device the port is connected to must
also be configured to “ Auto” and operate in compliance with the
IEEE 802.3ab “ Auto Negotiation” standard for 1000Base-T
networks.
Gigabit fiber-optic ports (Gigabit-SX and Gigabit-LX):
9 1000FDx (default): 1000 Mbps (1 GBPS), Full Duplex
only
• Auto: The port operates at 1000FDx and auto-negotiates flow
control with the device connected to the port.
Flow Control • Disabled (default): The port will not generate flow control
packets and drops received flow control packets.
• Enabled: The port uses 802.3x Link Layer Flow Control,
generates flow control packets, and processes received flow
control packets.
With the port mode set to “Auto” (the default) and “Flow
Control” set to enabled, the switch negotiates Flow Control on the
indicated port. If the port mode is not set to “Auto”, or if “Flow
Control” is disabled on the port, then Flow Control is not used.
Back Pressure • Disabled (default): The port will not have
Back pressure-based
congestion control.
• Enabled: The port uses 802.3 Layer 2 back off algorithms. Back
pressure-based congestion control on half-duplex, 10-Mbps Ethernet
ports.
10.2.2 Port Status and Configuration Commands
From the CLI, you can configure and view all port parameter settings and all port status indicators.
Please see CLI section for details.
10.2.3 Using the CLI to View Port Status
Use the following commands to display port status and configuration:
show port: Lists the full status and configuration for all ports on the switch.
Syntax: show port
LE2425A# show port
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