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Green Ethernet Commands 461
Reason for Energy-
detect current
operational status
The energy detect mode may be administratively enabled, but
the operational status may be inactive. The possible reasons are:
1
Port is currently operating in the fiber mode
2
Link is up.
If the energy-detect operational status is active, then the reason
field shows up as:
1
No energy Detected
EEE
EEE Admin Mode EEE Admin Mode is enabled or disabled.
Rx Low Power Idle
Event Count
This field is incremented each time MAC RX enters LP IDLE
state. Shows the total number of Rx LPI Events since EEE
counters are last cleared.
Rx Low Power Idle
Duration (μSec)
This field indicates duration of Rx LPI state in 10us
increments. Shows the total duration of Rx LPI since the EEE
counters are last cleared.
Tx Low Power Idle
Event Count
This field is incremented each time MAC TX enters LP IDLE
state. Shows the total number of Tx LPI Events since EEE
counters are last cleared.
Rx Low Power Idle
Duration (μSec)
This field indicates duration of Tx LPI state in 10us
increments. Shows the total duration of Tx LPI since the EEE
counters are last cleared.
Tw_sys_tx (μSec) Integer that indicates the value of Tw_sys that the local system
can support. This value is updated by the EEE DLL
Transmitter state diagram. This variable maps into the
aLldpXdot3LocTxTwSys attribute.
Tw_ sys Echo (μSec) Integer that indicates the remote system’s Transmit Tw_sys that
was used by the local system to compute the Tw_sys that it
wants to request from the remote system. This value maps into
the aLldpXdot3LocTxTwSysEcho attribute.
Tw_sys_rx (μSec) Integer that indicates the value of Tw_sys that the local system
requests from the remote system. This value is updated by the
EEE Receiver L2 state diagram. This variable maps into the
aLldpXdot3LocRxTwSys attribute.
Term Description
2CSPC4.XCT-SWUM2XX1.book Page 461 Monday, October 3, 2011 11:05 AM