AS Series User Manual
374
Doc No.: AS5-0116-01
EEE
By using EEE power savings can be achieved at the expense of traffic latency. This latency occurs due
to that the circuits EEE turn off to save power, need time to boot up before sending traffic over the
link. This time is called "wakeup time". To achieve minimal latency, devices can use LLDP to exchange
information about their respective tx and rx "wakeup time ", as a way to agree upon the minimum
wakeup time they need.
This page provides an overview of EEE information exchanged by LLDP.
Information
To Display the EEE information in the web interface:
1.
Click Monitor > LLDP > EEE
2.
If you want to auto-refresh the information tick the Auto-refresh option.
3.
Click Refresh to refresh the LLDP-EEE Information statistics or clear all information when
you click Clear
Fig: The LLDP Neighbors EEE information
NOTE: If your network does not have any LLDP-EEE supported devices then the table will show No
LLDP-EEE information found.
Parameter
Description
Local Port
The port on which LLDP frames are received or transmitted.
Tx Tw
The link partner’s maximum time that transmit path can hold off sending data
after reassertion of LPI.
Rx Tw
The link partner’s time that receiver would like the transmitter to hold off to
allow time for the receiver to wake from sleep.
Fallback Receive
Tw
The link partner’s fall back receive Tw.
A receiving link partner may inform the transmitter of an alternate desired Tw
sys tx. Since a receiving link partner is likely to have discrete levels for savings,
this provides the transmitter with additional information that it may use for a
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