Questions tagged [ethtool]
The ethtool tag has no usage guidance.
6
questions
192
votes
10
answers
658k
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How do I verify the speed of my NIC?
I just installed a new gigabit network interface card (NIC) in Linux. How do I tell if it is really set to gigabit speeds? I see ethtool has an option to set the speed, but I can't seem to figure ...
26
votes
8
answers
62k
views
How to persist ethtool settings through reboot
I would like to turn off tcp segmentation offload on a CentOS5 server. Using ethtool the command is ethtool -K eth0 tso off However, this setting only persists for this session. How can I make it ...
11
votes
4
answers
28k
views
Why is ethtool not showing me all the properties for a NIC?
CentOS 5.8 | VMWare ESX 5.1
When I run ethtool eth0 I see the following:
[root@foo ~]# ethtool eth0
Settings for eth0:
Current message level: 0x00000007 (7)
Link detected: yes
Is ...
7
votes
2
answers
9k
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meaning of rx_queue_*_csum_err and rx_fifo_errors
I am trying to debug some networking issue with one server. I monitor this machine with multiple monitors and I see that at times ping error rate jumps to 5/10%
I am running on ubuntu and I see that ...
6
votes
2
answers
36k
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debian set eth0 autoneg off speed 1000 duplex full: Invalid argument
I use debian for my things,but when i config speed 1000 and duplex full the error occur
the exactly command i use:
ethtool -s eth0 autoneg off speed 1000 duplex full
Cannot set new settings: ...
1
vote
1
answer
17k
views
changing network speed to 1000Mb/s
I am trying to change the server uplink from 100Mb/s to 1000Mb/s
ethtool eth0 output
# ethtool eth0
Settings for eth0:
Supported ports: [ TP MII ]
Supported link modes: ...