AnsweredAssumed Answered

ls1021atwr chip use ethtool to set sgmii net 1000Mpbs speed

Question asked by Joker ZHOU on Apr 19, 2018
Latest reply on May 3, 2018 by Yiping Wang

 my board is ls1021atwr chip,and input ethtool -s eth0 speed 1000 duplex full autoneg off,but it not successed.eth0 alwags link down.but input ethtool -s eth0 speed 100 duplex full autoneg off or ethtool -s eth0 speed 10 duplex full autoneg off , it can success. And  input ethtool -s eth0 autoneg on, it can link on and speed is 1000.eth0 used sgmii.

I do not kown what is wrong with this. can you help me?