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7. Operation and Maintenance
7-68
September 2002 9128-A2-GB20-80
Ethernet Performance Statistics
The following statistics appear when Ethernet is selected from the Performance
Statistics menu.
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Performance Statistics
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Ethernet
Table 7-23. Ethernet Performance Statistics
Statistic What It Indicates
Port Rate (Mbps) The operating rate as detected on the Ethernet port. One of the
following may appear for this statistic:
Disconnected – The line is not connected.
10 Mbps or 100 Mbps – The Ethernet port is operating at this
rate.
Disabled – The Ethernet port has been disabled.
Duplex The duplex mode detected on the Ethernet port. One of the
following may appear for this statistic:
Disconnected – The line is not connected.
Full – The Ethernet port is operating in full duplex mode
(4-wire).
Half – The Ethernet port is operating in half duplex mode
(2-wire).
Disabled – The Ethernet port has been disabled.
Frames Transmitted The number of successfully transmitted frames on the port.
Frames Received The number of frames received on the port.
Errored Frames The number of errors detected on the port. Possible errors
include:
Internal transmit and receive errors
Transmitter and receiver overruns
Receive checksum errors
Alignment errors
Long frames
Excessive Collisions The number of failed frame transmissions due to excessive
collisions.
Carrier Sense Errors The number of times the carrier sense condition was lost, or was
never asserted, during frame transmissions.
Deferred
Transmissions
The number of delayed first transmissions due to the line being
busy.