[ale] ethtool and mii-tool disagree
jlightner at water.com
Fri Dec 8 15:36:32 EST 2006
Why would ethtool and mii-tool show different configs for the same NIC?
I've seen older NICs that ethtool wouldn't talk to but this is first
time I've seen this.
That is why does mii-tool show it running 100 Full but ethtool show it
running 100 Half?
We have a server with NIC reported by lspci as:
0a:0b.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5705_2
Gigabit Ethernet (rev 03)
When we check it with mii-tool we see:
mii-tool -v eth0
eth0: 100 Mbit, full duplex, link ok
product info: vendor 00:08:18, model 26 rev 2
basic mode: 100 Mbit, full duplex
basic status: link ok
capabilities: 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD
advertising: 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD
However when we check it with ethtool we see:
Settings for eth0:
Supported ports: [ MII ]
Supported link modes: 10baseT/Half 10baseT/Full
Supports auto-negotiation: Yes
Advertised link modes: 10baseT/Half 10baseT/Full
Advertised auto-negotiation: Yes
Port: Twisted Pair
Supports Wake-on: g
Current message level: 0x000000ff (255)
Link detected: yes
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