View Nic speed and NIC Driver version number in CentOS

View Nic speed and NIC Driver version number in CentOS

View Nic speed: ethtool Nic name, such as ethtool eth0

View the NIC Driver version: ethtool-I nic name, for example, ethtool-I eth0

Example:

[Root @ nt3 ~] # Ethtool eth5
Settings for p6p1:
Supported ports: [fiber]
Supported link modes: 10000 baseT/Full
Supported pause frame use: No
Supports auto-negotiation: No
Advertised link modes: 10000 baseT/Full
Advertised pause frame use: No
Advertised auto-negotiation: No
Speed: 10000 Mb/s
Duplex: Full
Port: fiber
PHYAD: 0
Transceiver: external
Auto-negotiation: off
Supports Wake-on: d
Wake-on: d
Current message level: 0x00000007 (7)
Drv probe link
Link detected: yes

[Root @ nt3 ~] # Ethtool-I eth5
Driver: ixgbe
Version: 3.21.2
Firmware-version: 0x1bab0001
Bus-info: :05:00. 0
Supports-statistics: yes
Supports-test: yes
Supports-eeprom-access: yes
Supports-register-dump: yes
Supports-priv-flags: no