em0 NIC slow on 8.2-p1 amd64?
nec556 at retena.com
Wed Jul 20 19:32:39 UTC 2011
At 21:16 20/07/2011, Michael W. Lucas wrote:
>It's at gigabit:
>em0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
> ether 00:15:17:31:c8:fe
> inet xxxxxxx
> media: Ethernet autoselect (1000baseT <full-duplex>)
> status: active
All seems to be ok, try a netstat -I em0 -d (it's a capital 'i') to
get statistics. If too much packets are dropped recheck cables.
a) 30 MB/s looks very strange, do you have pf or similar with a filter rule?
b) Have you checked your disk i/o performance?
c) If you generate the data dinamically, may be your producer app is
About the em specific problem under 8.2 you cite, others can guide
better than me.
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