Translated message

A translation of this page exists in English.

为什么 ethtool 显示以太网接口 'no link'，即使已连接了物理网线？

Solution In Progress - Updated -

Issue

  • ethtool 命令对接口显示 Link detected: no
  • ip link 命令显示 UP，但显示 NO CARRIER
  • mii-tool 命令显示 SIOCGMIIPHY on 'ethX' failed
  • 网络链接指示灯已亮，但接口没有出现在系统中
  • 内核信息中出现信息 ADDRCONF(NETDEV_UP): ethX: link is not ready

Environment

  • Red Hat Enterprise Linux
  • 以太网网络接口

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.

Current Customers and Partners

Log in for full access

Log In

New to Red Hat?

Learn more about Red Hat subscriptions

Using a Red Hat product through a public cloud?

How to access this content