Oracle Linux: Ethtool Reports Network Speed And Duplex Unknown For Interfaces with Virtio Driver (Doc ID 2821737.1)

Last updated on JULY 04, 2023

Applies to:

Goal

The "ethtool" command doesn't report any of the output while querying the network interfaces with virtio driver.

root# ethtool bondeth0
Settings for bondeth0:
  Supported ports: [ ]
  Supported link modes: Not reported
  Supported pause frame use: No
  Supports auto-negotiation: No
  Supported FEC modes: Not reported
  Advertised link modes: Not reported
  Advertised pause frame use: No
  Advertised auto-negotiation: No
  Advertised FEC modes: Not reported
  Speed: Unknown!
  Duplex: Unknown! (255)
  Port: Other
  PHYAD: 0
  Transceiver: internal
  Auto-negotiation: off
  Link detected: yes
 

Solution

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