LAN network performance issues
justin victoria
jv at yeaguy.com
Sun Mar 9 20:36:16 UTC 2014
On 3/9/2014 12:40 PM, Kevin Oberman wrote:
> On Sun, Mar 9, 2014 at 11:44 AM, justin victoria <jv at yeaguy.com
> <mailto:jv at yeaguy.com>> wrote:
>
>
> On 3/9/2014 10:40 AM, Kevin Oberman wrote:
>> You might try installing iperf3 and testing with that. iperf3 is
>> a major rewrite of iperf and is totally incompatible with the
>> older version, so you will need to install iperf3 on all systems
>>
>> I doubt iperf is the issue, but this is a way to check.
>> --
>> R. Kevin Oberman, Network Engineer, Retired
>> E-mail: rkoberman at gmail.com <mailto:rkoberman at gmail.com>
>
> iperf3 on windows isnt playing nice..
>
>
> Can you provide more details on the problem on Windows? I know the
> primary developer of iperf3 (who also maintains iperf2) and would like
> to be sure he is aware of any and all problems on any platform. He's
> busy, but iperf3 is part of his day job, so I expect it will be looked
> at fairly quickly.
> --
> R. Kevin Oberman, Network Engineer, Retired
> E-mail: rkoberman at gmail.com <mailto:rkoberman at gmail.com>
I keep getting this error:
justin at sabertooth /cygdrive/c/iperf3-3.0b4-cygwin-v2
$ ./iperf3.exe -c 192.168.1.3
2 [main] iperf3 3116 find_fast_cwd: WARNING: Couldn't compute
FAST_CWD pointer. Please report this problem to
the public mailing list cygwin at cygwin.com
Then when im the server:
error: Unable to start listener for connections: Address already in use
error: Unable to start listener for connections: Address already in use
error: Unable to start listener for connections: Address already in use
error: Unable to start listener for connections: Address already in use
and netstat on win:
ustin at sabertooth /cygdrive/c/iperf3-3.0b4-cygwin-v2
$ netstat
Active Connections
Proto Local Address Foreign Address State
TCP 127.0.0.1:5080 sabertooth:49221 ESTABLISHED
TCP 127.0.0.1:49221 sabertooth:5080 ESTABLISHED
TCP 127.0.0.1:49637 sabertooth:49638 ESTABLISHED
TCP 127.0.0.1:49638 sabertooth:49637 ESTABLISHED
TCP 192.168.1.8:49335 lax04s09-in-f22:https ESTABLISHED
TCP 192.168.1.8:49639 yg:imap ESTABLISHED
TCP 192.168.1.8:49641 yg:imap ESTABLISHED
TCP 192.168.1.8:49648 yg:imap ESTABLISHED
TCP 192.168.1.8:51457 yg:ssh ESTABLISHED
TCP 192.168.1.8:51637 yg:ssh ESTABLISHED
TCP 192.168.1.8:52390 bn1wns1011611:https ESTABLISHED
TCP 192.168.1.8:52643 lax04s09-in-f1:https ESTABLISHED
TCP 192.168.1.8:52647 yg:imap ESTABLISHED
TCP 192.168.1.8:52649 yg:imap ESTABLISHED
TCP 192.168.1.8:52741 103.10.4.40:ftp ESTABLISHED
TCP 192.168.1.8:60435 176.32.96.103:http ESTABLISHED
TCP 192.168.1.8:61874 yg:microsoft-ds ESTABLISHED
TCP 192.168.1.8:63656 yg:ssh ESTABLISHED
justin at sabertooth /cygdrive/c/iperf3-3.0b4-cygwin-v2
$
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