Connectivity Guide

Energy-ecient Ethernet
Energy-ecient Ethernet (EEE) reduces power consumption of physical layer devices (PHYs) during idle periods. EEE allows Dell EMC
Networking devices to conform to green computing standards.
An Ethernet link consumes power when a link is idle. EEE allows Ethernet links to use Regular Power mode only during data transmission.
EEE is enabled on devices that support LOW POWER IDLE (LPI) mode. Such devices save power by entering LPI mode during periods
when no data is transmitting.
In LPI mode, systems on both ends of the link saves power by shutting down certain services. EEE transitions into and out of LPI mode
transparently to upper-layer protocols and applications.
EEE advertises during the auto-negotiation stage. Auto-negotiation detects abilities supported by the device at the other end of the link,
determines common abilities, and congures joint operation.
Auto-negotiation performs at power-up, on command from the LAN controller, on detection of a PHY error, or following Ethernet cable re-
connection. During the link establishment process, both link partners indicate their EEE capabilities. If EEE is supported by both link
partners for the negotiated PHY type, EEE functions independently in either direction.
Changing the EEE conguration resets the interface because the device restarts Layer 1 auto-negotiation. You may want to enable Link
Layer Discovery Protocol (LLDP) for devices that require longer wake-up times before they are able to accept data on their receive paths.
Doing so enables the device to negotiate extended system wake-up times from the transmitting link partner.
Enable energy-ecient Ethernet
EEE is disabled by default. To reduce power consumption, enable EEE.
1 Enter the physical Ethernet interface information in CONFIGURATION mode.
interface ethernet node/slot/port[:subport]
2 Enable EEE in INTERFACE mode.
eee
Enable EEE
OS10(config)# interface ethernet 1/1/1
OS10(conf-if-eth1/1/1)# eee
Disable EEE
OS10(config)# interface ethernet 1/1/1
OS10(conf-if-eth1/1/1)# no eee
Clear EEE counters
You can clear EEE counters on physical Ethernet interfaces globally or per interface.
Clear all EEE counters
OS10# clear counters interface eee
Clear all eee counters [confirm yes/no]:yes
Clear counters for specic interface
OS10# clear counters interface 1/1/48 eee
Clear eee counters on ethernet1/1/48 [confirm yes/no]:yes
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Interfaces