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Chapter 5
Cajun P550/P880/P882 Switch User Guide
Configuring
Physical Port
Parameters on
Gigabit Ports
Using the CLI
To configure ports on a gigabit module using the CLI, enter the
following command from Priv mode:
cajun# port set <options>
Refer to the Cajun P550/P880/P882 Switch Command Line Interface
Reference Guide for more details about this command.
Flow Control
Mode
Setting this field determines if the IEEE 802.3z pause
control is to be used on this port. The pause mechanism
allows the port to stop a sending station from sending
more packets if the receiving port’s buffers are full. This
helps prevent lost or dropped packets.
This feature is recommended for use primarily on end
station connections. Using this feature on trunk ports can
cause unnecessary congestion on the network.
PACE Priority
Mode
Determines if the port detects 3Com’s copyrighted PACE
format as packets pass through the port. PACE allows a
packet’s priority (higher priority packets move through
the switch faster) to be set at the adapter.
Remote Fault
Detect
Proprietary mechanism to detect remote link errors on
Cajun gigabit ports. The default value is Disabled.
The remote fault detection functionality should be
enabled (on both ends of a Cajun to Cajun link) in two
cases:
• When two Cajun gigabit ports are connected that
do not support auto-negotiation.
• When a Cajun gigabit port that does not support
auto-negotiation is connected to a Cajun gigabit
port that does support auto-negotiation.
Table 5-4. Detailed Physical Port Dialog Box Parameters continued
Parameter Definition