How to determine the connection speed
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I’ve been asked this several times so I hope this little article will help many people.
The question is: how do I determine the connection speed negotiated with the switch?
Many ask this because they want to be sure that they are getting what they pay for.
Please note that this is will NOT determine your server max speed but rather it will tell you the connection speed negotiated with the switch.
Simply run as root:
mii-tool
This will output something like:
eth0: negotiated 100baseTx-FD, link ok
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- September 18th
What about when you on a VPS? Any way to get that information?
If you can run this (assuming your public interface is eth1) that will tell you the speed too
cat /etc/sysconfig/network-scripts/ifcfg-eth1
none of these worked for me. “mii-tool” gave command not found. Are there any other commands that can be run?
Howdy,
The mii-tool is outdated and has been replaced by ethtool tool. You need to run something like ethtool eth0 to get the display.
Thanks,
Adam
Hi gary!
you must run “mii-tool” as root