Hello,
I`ve some problems with the network performance on my Soekris NET 4801.
(Freebsd 6.1 release-p3)
When I start "netio" on the soekris and do a
"netio localhost", I get about 8.4 MB/sec, and when I start
with "netio 192.168.0.11"(it´s localhost address) I get only ~2.3 MB/sec.
That´s what top says when I do:
localhost
CPU states: 2.3% user, 0.0% nice, 72.5% system, 25.2% interrupt, 0.0%
idle
192.168.0.11
CPU states: 1.2% user, 0.0% nice, 46.3% system, 52.5% interrupt, 0.0%
idle
As you can see, the interrupt load is more than doubled when I use the Ip
address, and
I´ve no idea why.
Here are some other throughput results of the soekris:
openbsd# ftp 192.16.8.0.20 2.0 MB/sec
openbsd# iperf localhost 1.4 Mbit/sec
openbsd# iperf 192.168.0.11(it´s localhost address) 1.4 Mbit/sec
openbsd# netperf localhost 70MB/sec
openbsd# netperf 192.168.0.11(it´s localhost address) 70MB/sec
freebsd# ftp 192.168.0.20 2.3 MB/sec
Freebsd# iperf localhost 45 Mbit/sec
Freebsd# iperf 192.168.0.11 (it´s localhost address) 19 Mbit/sec
Freebsd# netperf localhost 67 Mbit/sec
Freebsd# netperf 192.168.0.11 (it´s localhost address) 19 Mbit/sec
What causes the difference between localhost and the ip address on Freebsd?
On Openbsd there is no diffenerce at all.
Greetings
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