Ethtool
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↑ http://man7.org/linux/man-pages/man8/ethtool.8.html
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
ifconfig
,ethtool
or obsoletemii-tool
(mii-tool -v eth0
)nmcli device show
,eth0
, Network manager- Ethernet: MII, MDI, bonding, etherchannel, STP, ARP, MAC, STP, Jumbo frames, 802.1X, MTU, Ethernet In-Band Access (IBA), LACP, Multicast, Broadcast, SPI
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