em0 NIC slow on 8.2-p1 amd64?

Eduardo Morras nec556 at retena.com
Wed Jul 20 17:24:04 UTC 2011

At 18:04 20/07/2011, Michael W. Lucas wrote:
>I'm running FreeNAS 8.0/amd64, with an 8.2-p1 kernel.  When using FTP
>or SCP, performance maxes out around 30MB/s. This is on a gigabit
>network, no errors showing.
>It looks a lot like kern/152828, but it seems that nobody's looking at

Don't know about that, but perhaps the nic is not working at full gigabit.

Can you post the output of ifconfig?

#ifconfig em0

If it's not connected at 1 gigabit or not full duplex you can force 
it with ifconfig. If there are too much errors check the cable.

>As per suggestions from the archives, I've tried disabling TSO. No
>Anyone else experiencing this, or have any suggestions? At the moment,
>the boss is complaining that his Windows Home Server is doing better
>than this machine, and that's a technological direction I really don't
>want to go in.

More information about the freebsd-questions mailing list