Re: [Iperf-users] Problem - read failed : Connection reset by peer

[akshay v. <aks...@ya...>]

Hi,
 
I'm using both the server and the client. I've started the server and the server is listening on port 5001 (the default one). I'm iperf in pairs only. What do i need to make it working? :(

--- On Mon, 1/10/11, Metod Kozelj <met...@lu...> wrote:


From: Metod Kozelj <met...@lu...>
Subject: Re: [Iperf-users] Problem - read failed : Connection reset by peer
To: "akshay vashishtha" <aks...@ya...>
Cc: ipe...@li...
Date: Monday, January 10, 2011, 5:35 PM


Hi!

It seems that you're not using iperf on the far end. Or are you?
Iperf is designed to be used in pairs: one host is passive (accepts connections and acts according to settings from the other end) and the other host is client which sends commands to server.

Q1 is using UDP which means client doesn't need any feedback from server. You can seemingly connect to server but you will never get any answer. The 'connection reset by peer' message might well origin from IP stack implementation and/or firewall which send diconnect message when there's no application to handle the incomming connection.

Q2 uses TCP which means that server needs to respond actively to incomming connection. If there's no iperf running at far end, you obviously can not make any usable connection there.

Peace!
  Mkx

-- perl -e 'print $i=pack(c5,(41*2),sqrt(7056),(unpack(c,H)-2),oct(115),10);'
-- echo 16i[q]sa[ln0=aln100%Pln100/snlbx]sbA0D4D465452snlb xq | dc


BOFH excuse #81:

Please excuse me, I have to circuit an AC line through my head to get this database working.

akshay vashishtha je dne 10/01/11 11:29 napisal-a: 





Hi,
 
I'm facing few problems. I'll list all of them serially.
 
Question 1) When i'm running "iperf -u -c <ip address> -i 1" , i'm getting read failed : connection reset by peer after sometime. Below is the detailed thing - 
 
[ ID] Interval       Transfer     Bandwidth
[152]  0.0- 1.0 sec   129 KBytes  1.06 Mbits/sec
[152]  1.0- 2.0 sec   128 KBytes  1.05 Mbits/sec
[152]  2.0- 3.0 sec   126 KBytes  1.03 Mbits/sec
[152]  3.0- 4.0 sec   129 KBytes  1.06 Mbits/sec
[152]  4.0- 5.0 sec   128 KBytes  1.05 Mbits/sec
[152]  5.0- 6.0 sec   128 KBytes  1.05 Mbits/sec
[152]  6.0- 7.0 sec   128 KBytes  1.05 Mbits/sec
[152]  7.0- 8.0 sec   129 KBytes  1.06 Mbits/sec
[152]  8.0- 9.0 sec   128 KBytes  1.05 Mbits/sec
[152]  9.0-10.0 sec   128 KBytes  1.05 Mbits/sec
[152]  0.0-10.0 sec  1.25 MBytes  1.05 Mbits/sec
read failed: Connection reset by peer
Please tell me the reason I'm getting this error.
 
Question 2) When i'm just writing "iperf -c <ip address>" it is showing connection failed : connection refused. I really cannot understand that.
 
Regards,
Akshay

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