I had posted this earlier and am still confused at contrary results by
two utilities ifconfig and ethtools. Can any one explain?
Sudev Barar
[EMAIL PROTECTED]
On Tue, Aug 05, 2003 at 05:53:47PM +0530, Subin Shahul Hameed wrote:
How will I check whether my network card is operating in 10 Mbps or
100Mbps in Linux.
In reply:
On Wed, 2003-08-06 at 09:07, VaibhaV Sharma wrote:
man ethtool
# ethtool eth0
should work.
VaibhaV
On Wed, 2003-08-06 at 08:35, Dileep M. Kumar wrote:
[EMAIL PROTECTED] fme $ dmesg | grep eth1
eth1: RealTek RTL8139 Fast Ethernet at 0xc8079000, 00:c1:26:08:2e:a4,
IRQ 5
eth1: Identified 8139 chip type 'RTL-8139C'
eth1: Setting 100mbps full-duplex based on auto-negotiated partner
ability 45e1.
[EMAIL PROTECTED] fme $
As you can see there were two replies and I tried both. I am baffled by
the outputs as below since one says NIC is connected at full duplex
100mbps the other says HalfDuplex 10mbps:
OUTPUT 1:
# /bin/dmesg | grep eth0
eth0: RealTek RTL8139 Fast Ethernet at 0xf88d4c00, 00:80:48:15:8b:f9,
IRQ 11
eth0: Identified 8139 chip type 'RTL-8139C'
eth0: Setting 100mbps full-duplex based on auto-negotiated partner
ability 45e1.
OUTPUT 2:
]# /usr/sbin/ethtool eth0
Settings for eth0:
Supported ports: [ TP MII ]
Supported link modes: 10baseT/Half 10baseT/Full
100baseT/Half 100baseT/Full
Supports auto-negotiation: Yes
Advertised link modes: Not reported
Advertised auto-negotiation: No
Speed: 10Mb/s
Duplex: Half
Port: MII
PHYAD: 0
Transceiver: internal
Auto-negotiation: off
Supports Wake-on: pumbg
Wake-on: d
Current message level: 0x (-1)
Link detected: no
Why should the two utilities report different?? Any one who can tell
which is the correct output?
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