Simple use of Mii-tool ethtool commands under Linux

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View the physical information of the Linux network card by command, status:

[Email protected] ~]# Mii-tool eth0

eth0:negotiated 100basetx-fd, link ok

-V Displays the version information;-V displays information about the network interface;

-R resets Mii to on State;-R restarts auto-negotiation mode;

-W View the status change of the network interface connection;-L write event to system log;

-A instruction-specific network interface;-F change the network interface negotiation method;

What if we want to change the network interface eth0 to 1000mb/s full duplex mode?

[Email protected] ~]# mii-tool-f 100BASETX-FD

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The information that is viewed through the Mii-tool command is too small, and the following commands can be used to view more network card information.

See more of the underlying information by Ethtool eth0:

[Email protected] ~]# 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//Whether hot-swappable is supported

Supports Auto-negotiation:yes//Whether auto-negotiation is supported

Advertised Link Modes:10baset/half 10baset/full

100baset/half 100baset/full

1000baset/full

Advertised Pause frame Use:no

Advertised Auto-negotiation:yes

SPEED:1000MB/S//Rate

Duplex:full//Full Duplex

port:twisted Pair//Electric port

phyad:0

Transceiver:internal

Auto-negotiation:on

Mdi-x: Unknown

Supports wake-on:d

Wake-on:d

Current Message level:0x00000007 (7)

DRV probe link

Link Detected:yes

The driver information of the NIC can be viewed by ethtool-i eth0:

[[email protected] ~]# ethtool-i eth0//driver version of the NIC

driver:e1000

Version:7.3.21-k8-napi

Firmware-version:

bus-info:0000:02:01.0

Supports-statistics:yes

Supports-test:yes

Supports-eeprom-access:yes

Supports-register-dump:yes

Supports-priv-flags:no

You can check the working status of the NIC by ethtool-s eth0:

Such as: can see the network card input traffic, output traffic, input packet, output packet, input broadcast, output broadcast, input network error packet, output network error packet, etc...

Simple use of Mii-tool ethtool commands under Linux