Ethtool

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ethtool[1] command is used to view and modify network device drivers setting, in particular wired Ethernet devices.


Examples

ethtool ens3f1
Settings for ens3f1:
	Supported ports: [ ]
	Supported link modes:   1000baseT/Full
	                        1000baseKX/Full
	                        10000baseT/Full
	                        1000baseX/Full
	                        10000baseSR/Full
	                        10000baseLR/Full
	Supported pause frame use: Symmetric
	Supports auto-negotiation: Yes
	Supported FEC modes: Not reported
	Advertised link modes:  1000baseT/Full
	                        1000baseKX/Full
	                        10000baseT/Full
	                        1000baseX/Full
	                        10000baseSR/Full
	                        10000baseLR/Full
	Advertised pause frame use: No
	Advertised auto-negotiation: Yes
	Advertised FEC modes: Not reported
	Speed: Unknown!
	Duplex: Unknown! (255)
	Port: Other
	PHYAD: 0
	Transceiver: internal
	Auto-negotiation: off
	Supports Wake-on: d
	Wake-on: d
	Current message level: 0x00000007 (7)
			       drv probe link
	Link detected: no


See also

  • http://man7.org/linux/man-pages/man8/ethtool.8.html
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