Restrictions for EEE
Energy Efficient Ethernet (EEE) has the following restrictions:
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Changing the EEE configuration resets the interface because the device has to restart Layer 1 autonegotiation.
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We recommend that you enable Link Layer Discovery Protocol (LLDP) for devices that require longer wakeup times before they are able to accept data on their receive paths. This enables the device to negotiate for extended system wakeup times from the transmitting link partner.