Interlogix NS3502-8P-2S User Manual - Manual (Page 317)

IFS NS3502-8P-2S User Manual
317
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. The LLDP Neighbors
EEE Information screen in Figure 4-14-6 appears.
Figure 4-14-6: LLDP Neighbors EEE Information page screenshot
The page includes the following fields:
Object 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 deassertion 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 fallback 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 more efficient
allocation. Systems that do not implement this option default the
value to be the same as that of the Receive Tw_sys_tx.
• Echo Tx Tw The link partner's Echo Tx Tw value.
The respective echo values shall be defined as the local link
partner’s reflection (echo) of the remote link partners respective
values. When a local link partner receives its echoed values from
the remote link partner it can determine whether or not the
remote link partner has received, registered and processed its
most recent values. For example, if the local link partner receives
echoed parameters that do not match the values in its local MIB,
then the local link partner infers that the remote link partners
request was based on stale information.
• Echo Rx Tw The link partner's Echo Rx Tw value.