1、部署完服务器后，在服务器上将LLDP打开，想通过LLDP去排查服务器与交换机的网线、光纤有没有连接错误，但是发现服务器的电口网卡(Intel X700系列网卡)无法正常显示LLDP邻居，就怀疑是网卡配置的问题。

[[email protected] ~]# lspci |grep net

18:00.0 Ethernet controller: Mellanox Technologies MT27710 Family [ConnectX-4 Lx]

18:00.1 Ethernet controller: Mellanox Technologies MT27710 Family [ConnectX-4 Lx]

3d:00.0 Ethernet controller: Intel Corporation Ethernet Connection X722 for 1GbE (rev 09)

3d:00.1 Ethernet controller: Intel Corporation Ethernet Connection X722 for 1GbE (rev 09)

3d:00.2 Ethernet controller: Intel Corporation Ethernet Connection X722 for 1GbE (rev 09)

3d:00.3 Ethernet controller: Intel Corporation Ethernet Connection X722 for 1GbE (rev 09)

5f:00.0 Ethernet controller: Mellanox Technologies MT27710 Family [ConnectX-4 Lx]

5f:00.1 Ethernet controller: Mellanox Technologies MT27710 Family [ConnectX-4 Lx]

2、为了进一步定位问题&