UM0851 datasheet(51/245 Pages) STMICROELECTRONICS

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UM0851

Communication device drivers

Doc ID 16604 Rev 2

51/245

ifconfig eth0 down

Ifconfig eth0 up

Usage of Ethtool

The ethtool utility is used to display or change the Ethernet card settings.

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To setup the auto negotiation:

ethtool -s eth0 autoneg on

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To check the existing network configurations (result for SPEAr600):

ethtool eth0

Settings for eth0:

Supported ports: [ MII ]

Supported link modes:

10baseT/Half 10baseT/Full

100baseT/Half 100baseT/Full

1000baseT/Half 1000baseT/Full

Supports auto-negotiation: Yes

Advertised link modes:

10baseT/Half 10baseT/Full

100baseT/Half 100baseT/Full

1000baseT/Half 1000baseT/Full

Advertised auto-negotiation: Yes

Speed: 1000Mb/s

Duplex: Full

Port: MII

PHYAD: 1

Transceiver: external

Auto-negotiation: on

Link detected: yes

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To setup the forced speed 100, full duplex mode:

ethtool -s eth0 autoneg off speed 100 duplex full

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To setup the forced speed 100, half duplex mode:

ethtool -s eth0 autoneg off speed 100 duplex half

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To setup the forced speed 10, full duplex mode:

ethtool -s eth0 autoneg off speed 10 duplex full

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To setup the forced speed 10, half duplex mode:

ethtool -s eth0 autoneg off speed 10 duplex half:

UM0851 Datasheet(PDF) 51 Page - STMicroelectronics

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