LinuxCommandLibrary

mii-tool

checks network link status

TLDR

Show interface status

$ mii-tool [eth0]
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Show all interfaces
$ mii-tool
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Verbose output
$ mii-tool -v [eth0]
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Watch status
$ mii-tool -w [eth0]
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Force speed
$ mii-tool -F [100baseTx-FD] [eth0]
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Reset interface
$ mii-tool -R [eth0]
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SYNOPSIS

mii-tool [options] [interface]

DESCRIPTION

mii-tool checks network link status. It shows speed, duplex, and link state.
The tool uses MII (Media Independent Interface) to query Ethernet adapters.

PARAMETERS

INTERFACE

Network interface.
-v
Verbose output.
-w
Watch for changes.
-F MEDIA
Force media type.
-R
Restart negotiation.
--help
Display help information.

CAVEATS

Deprecated, use ethtool. Not for all adapters. Requires root.

HISTORY

mii-tool was a net-tools utility for checking Ethernet link status, now superseded by ethtool.

SEE ALSO

ethtool(8), ifconfig(8), ip(8)

> TERMINAL_GEAR

Curated for the Linux community

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