为什么速度和双工未知？

Question

我在Ubuntu16.04上添加了一个网卡(OneConnect 10 on )并运行ethtool命令，但是输出显示了speed and duplex unknown!.

知道怎么解决这个问题吗？

xxx:~# ethtool  enp12s0f0
Settings for enp12s0f0:
        Supported ports: [ FIBRE ]
        Supported link modes:   1000baseT/Full
                                10000baseT/Full
        Supported pause frame use: Symmetric
        Supports auto-negotiation: No
        Advertised link modes:  Not reported
        Advertised pause frame use: No
        Advertised auto-negotiation: No
        **Speed: Unknown!
        Duplex: Unknown! (255)**
        Port: FIBRE
        PHYAD: 1
        Transceiver: external
        Auto-negotiation: off
        Supports Wake-on: d
        Wake-on: d
        Current message level: 0x00002000 (8192)
                               hw
        Link detected: no

以太网设备驱动程序和固件信息：

driver: be2net
version: 10.6.0.3
firmware-version: 4.0.360.3
expansion-rom-version:
bus-info: 0000:0c:00.0
supports-statistics: yes
supports-test: yes
supports-eeprom-access: yes
supports-register-dump: no
supports-priv-flags: no

详细供应商信息

*-network:0
       description: Ethernet interface
       product: OneConnect 10Gb NIC
       vendor: Emulex Corporation
       physical id: 0
       bus info: pci@0000:0c:00.0
       logical name: enp12s0f0
       version: 02
       serial: 00:00:c9:c2:99:94
       capacity: 1Gbit/s
       width: 64 bits
       clock: 33MHz
       capabilities: pm msix pciexpress bus_master cap_list rom ethernet physical fibre 1000bt-fd
       configuration: autonegotiation=off broadcast=yes driver=be2net driverversion=10.6.0.3 firmware=4.0.360.3 latency=0 link=no multicast=yes port=fibre
       resources: irq:16 memory:fc57c000-fc57ffff memory:fc540000-fc55ffff memory:fc520000-fc53ffff memory:fc300000-fc37ffff

以太网卡(S)可在您的系统

上使用

03:00.0 Ethernet controller: Broadcom Corporation NetXtreme II BCM5708 Gigabit Ethernet (rev 12)
07:00.0 Ethernet controller: Broadcom Corporation NetXtreme II BCM5708 Gigabit Ethernet (rev 12)
0c:00.0 Ethernet controller: Emulex Corporation OneConnect 10Gb NIC (rev 02)
0c:00.1 Ethernet controller: Emulex Corporation OneConnect 10Gb NIC (rev 02)

谢谢..。

Answer 1

您的接口是光纤，只有一个支持的速度1000baseT/Full，Auto-negotiation: off，没有媒体连接或检测到：Link detected: no，但是您提到网卡是10 or。如果设置如您所写，则无法将卡连接到对面的10 10Gbps节点。

如果您希望使用1 1Gbps，请检查光纤电缆、媒体类型(多模/单模)和两端的波长(SM: 850 / 1300 / 1310 nm或MM: 1550 nm)。