oneleaf 写了：检查下网线，注意你当前是1000M，需要使用相对应的网线。 同时你可以运行下 sudo ethtool -S eth0 看看更多的信息。 也可以尝试运行下 sudo ethtool -g eth0 看看情况。
网线应该没问题，都换6类的了，而且本来linux就正常的。
sudo ethtool -S eth0
NIC statistics:
rx_bytes: 101777833
rx_error_bytes: 0
tx_bytes: 1105846
tx_error_bytes: 0
rx_ucast_packets: 13579
rx_mcast_packets: 0
rx_bcast_packets: 533374
tx_ucast_packets: 8975
tx_mcast_packets: 6
tx_bcast_packets: 81
tx_mac_errors: 0
tx_carrier_errors: 0
rx_crc_errors: 0
rx_align_errors: 0
tx_single_collisions: 0
tx_multi_collisions: 0
tx_deferred: 0
tx_excess_collisions: 0
tx_late_collisions: 0
tx_total_collisions: 0
rx_fragments: 0
rx_jabbers: 0
rx_undersize_packets: 0
rx_oversize_packets: 0
rx_64_byte_packets: 9186
rx_65_to_127_byte_packets: 13193
rx_128_to_255_byte_packets: 514765
rx_256_to_511_byte_packets: 119
rx_512_to_1023_byte_packets: 93
rx_1024_to_1522_byte_packets: 9597
rx_1523_to_9022_byte_packets: 0
tx_64_byte_packets: 4890
tx_65_to_127_byte_packets: 3118
tx_128_to_255_byte_packets: 585
tx_256_to_511_byte_packets: 200
tx_512_to_1023_byte_packets: 102
tx_1024_to_1522_byte_packets: 167
tx_1523_to_9022_byte_packets: 0
rx_xon_frames: 0
rx_xoff_frames: 0
tx_xon_frames: 0
tx_xoff_frames: 0
rx_mac_ctrl_frames: 0
rx_filtered_packets: 160931
rx_ftq_discards: 0
rx_discards: 0
rx_fw_discards: 0
sudo ethtool -g eth0
Ring parameters for eth0:
Pre-set maximums:
RX: 2040
RX Mini: 0
RX Jumbo: 8160
TX: 255
Current hardware settings:
RX: 1020
RX Mini: 0
RX Jumbo: 0
TX: 255