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Re: [SCTP-Discussion] communications lost on echo tool


Chronological Thread 
  • From: Michael Tüxen <Michael.Tuexen AT micmac.franken.de>
  • To: bala.k AT ieee.org
  • Cc: discussion AT sctp.de, bala.k AT retriever.com.au
  • Subject: Re: [SCTP-Discussion] communications lost on echo tool
  • Date: Tue Dec 17 01:02:00 2002
  • List-id: SCTP Discussions <discussion.sctp.de>
Hi Bala,

are you running both programs on the same host? Then you need also
the -i option to disable the OOTB handling. In principle, the sctplib
should run only once per host. If you are running multiple it multiple
times you need to disable the OOTB handling and do the port handling
by yourself.

For example:
1. Start the echo_server: ./echo_server -s 127.0.0.1 -V -i
2. Start the terminal: ./terminal -s 127.0.0.1 -d 127.0.0.1 -l 1000 -r 7 -V -i
3. Type something as input in the terminal tool. After pressing return it
should be sent out and received again and printed out. Pressing Control D
should bring down the association and terminate the terminal program.

This should work.

Best regards
Michael


PS: Please subscribe to the mailing list.


On Monday, Dec 16, 2002, at 14:19 Europe/Berlin, Bala Kanagasabai wrote:

Hi ,
I am new to SCTP and am trying out some of the sample programs that came
with the SCTP implementation. After playing around with the echo_tool.c
and the echo_server.c program, I noticed that I cannot get the
communications session established for any period of time. Every time I
issue a


./echo_tool -d 192.168.0.50 -V


to an echo_server e.g.
./echo_server -s 192.168.0.50 -V

which is listening on port 7

I get the following on the screen of the echo_server and echo_tool
terminal respectively:

echo_server displays this message after echo_tool is started:

1 : Communication up (1 In-Streams, 17 Out-Streams) in the
echo_server terminal.




However the echo_tool keeps returning immediately with

1 : Communication lost (status 1)


Can anyone tell me whats going on?

Thanks in advance.

Bala.


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