Lantronix
SM12XPA Web User Guide
33848 Rev. A
Page
56
of
473
Energy Efficient Ethernet
This page lets you view and configure the current EEE port settings. EEE (Energy Efficient Ethernet) is defined in
IEEE 802.3az. EEE is a power saving option that reduces the power usage when there is very low traffic utilization
(or no traffic).
EEE works by powering down circuits when there is no traffic. When a port gets data to be transmitted all
circuits are powered up. The time it takes to power up the circuits is named wakeup time. The default wakeup
time is 17 us for 1Gbit links and 30 us for other link speeds. EEE devices must agree upon the value of the
wakeup time in order to make sure that both the receiving and transmitting device has all circuits powered up
when traffic is transmitted. The devices can exchange information about the device’s wakeup time using the
LLDP protocol.
Web Interface
To configure Energy Efficient Ethernet in the web UI:
1.
Click Port Management and Energy Efficient Ethernet.
2.
Select enable or disable Energy Efficient Ethernet per port.
3.
Click the Apply button to save the settings.
4.
To cancel the settings, click the Reset button to revert to previously saved values.
Figure 4-4: Energy Efficient Ethernet Configuration
Parameter descriptions
:
Port
: The switch port number of the logical EEE port.
Configure
: Controls whether EEE is enabled for this switch port.
Buttons
Apply
: Click to save changes.
Reset
: Click to undo any changes made locally and revert to previously saved values.