RedHat – NIC Status

August 18th, 2009

ifconfig -a in RedHat does not provide link status sooooo.  After a bit of digging it turns out there is a cool tool that will.

# /sbin/ethtool eth0
Settings for eth0:
Supported ports: [ TP ]
Supported link modes:
10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Full
Supports auto-negotiation: Yes
Advertised link modes:
10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
1000baseT/Full
Advertised auto-negotiation: Yes
Speed: 1000Mb/s
Duplex: Full
Port: Twisted Pair
PHYAD: 1
Transceiver: internal
Auto-negotiation: on
Supports Wake-on: g
Wake-on: d
Link detected: yes

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