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Oracle Linux: ETHTOOL が "Link detected: no" を特定の NIC に対して出力する (Doc ID 2730073.1)

Last updated on NOVEMBER 23, 2020

適用範囲:

Linux OS - バージョン Oracle Linux 5.0 以降
Linux x86-64

現象

"ethtool" が "Link detected: no" をあるインターフェイスに対して出力します。

#ethtool eth0
Settings for eth0:
Supported ports: [ TP ]
Supported link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Full
Supported pause frame use: No
Supports auto-negotiation: Yes
Advertised link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Full
Advertised pause frame use: No
Advertised auto-negotiation: Yes
Speed: 100Mb/s
Duplex: Full
Port: Twisted Pair
PHYAD: 2
Transceiver: internal
Auto-negotiation: on
MDI-X: on (auto)
Supports Wake-on: pumbg
Wake-on: g
Current message level: 0x00000007 (7)
drv probe link
Link detected: no ---------------------------------------------->

 

原因

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