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King David
Asked: 2023-10-30 01:08:25 +0800 CST

linux + 如何设置自动协商：Linux 机器端否

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我们有以下网卡配置。来自ethtool，（服务器是RHEL 7.9版本）

ethtool p1p1
Settings for p1p1:
        Supported ports: [ FIBRE ]
        Supported link modes:   10000baseT/Full
        Supported pause frame use: Symmetric
        Supports auto-negotiation: No
        Supported FEC modes: Not reported
        Advertised link modes:  10000baseT/Full
        Advertised pause frame use: Symmetric
        Advertised auto-negotiation: No
        Advertised FEC modes: Not reported
        Speed: 10000Mb/s
        Duplex: Full
        Port: FIBRE
        PHYAD: 0
        Transceiver: internal
        Auto-negotiation: off
        Supports Wake-on: d
        Wake-on: d
        Current message level: 0x00000007 (7)
                               drv probe link
        Link detected: yes

我们尝试通过将以下行添加到ifcfg-p1p1文件并重新启动网络服务来将自动协商设置为yes ，但没有成功。

ETHTOOL_OPTS="speed 10000 duplex full autoneg on"

第二次尝试如下。

ethtool -s p1p1 autoneg  on speed 10000 duplex full
Cannot set new settings: Invalid argument
  not setting speed
  not setting duplex
  not setting autoneg

但没有成功

设置自动协商的其他选项是什么：是？

或者这可能与 cisco 交换机相关并且无法从 Linux 端配置？

linux

1 个回答

  1. Best Answer

    从输出中可以看出，此 10000baseT 设备不允许自动协商。

    它仅以 10Gbps/full 运行。

    没有光纤 10Gbps 设备允许自动协商。

    从维基百科条目...

    It was first defined by the IEEE 802.3ae-2002 standard. Unlike previous Ethernet standards, 10GbE defines only full-duplex point-to-point links which are generally connected by network switches; shared-medium CSMA/CD operation has not been carried over from the previous generations of Ethernet standards[1] so half-duplex operation and repeater hubs do not exist in 10GbE.

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