Re: Meanings of TCP/IP connection error messages ?

[Jan.Rockstedt@xxxxxxxxxxxx]

Hi !

http://www-912.ibm.com/s_dir/slkbase.nsf/1ac66549a21402188625680b0002037e/dce52e8dee822d1d86256d040064def4?OpenDocument&Highlight=0,TCP2617

Mvh / Regards Jan Rockstedt
HSB Syd IT
Spangatan 37B, 2:a van.
211 53 Malmo Sweden
Phone: +46-40 - 668 07 45
Fax: +46-40-668 07 55
www.sydit.hsb.se




"Chuck Lewis" <clewis@xxxxxxxxxx>
Sänt av: midrange-l-bounces@xxxxxxxxxxxx
2004-01-21 14:30
Sänd svar till Midrange Systems Technical Discussion
 
        Till:   "midrange-l" <midrange-l@xxxxxxxxxxxx>
        Kopia: 
        Ärende: Meanings of TCP/IP connection error messages ?
Hi Folks,

We have a VPN user that is getting knocked off. He says it is like it is
timing out (when he is in the process of entering a long order or bid). He
is running XP on a new PC, cable access over the internet to a dedicated 
T1
here. He is running the Synapse IP Client product for 5250 emulation. We 
are
V5R2.

What I see on the iSeries side around the time of his job logs is the
following:

Message ID . . . . . . :   TCP2617       Severity . . . . . . . :   20


 Message type . . . . . :   Diagnostic


 Date sent  . . . . . . :   01/20/04      Time sent  . . . . . . :
20:41:32 

 


 Message . . . . :   TCP/IP connection to remote system 192.168.2.4 
closed,


   reason code 2.


 Cause . . . . . :   The TCP/IP connection to remote system 192.168.2.4 
has


   been closed. The connection was closed for reason code 2.  Full
connection 

   details for the closed connection include:


     - local IP address is 172.16.10.11


     - local port is 23


     - remote IP address is 192.168.2.4


     - remote port is 4718


 Reason codes and their meanings follow:


     1 = TCP connection closed due to expiration of 10 minute Close Wait
timer. 

     2 = TCP connection closed due to R2 retry threshold being run.


     3 = TCP connection closed due to keepalive timeout.


 If TCPCNNMSG(*THRESHOLD) is defined for the Change TCP/IP Attributes
(CHGTCPA) 

   command then there could be additional connections that have closed
within 

   the threshold window. The number of additional TCP connections that 
have


   closed is 1.


 Recovery  . . . :   Informational message.


and I also get the same message but for #3 above.

 

Anyone have any idea what this is or if there is some setting on the 
iSeries
that can be set to handle this ?

 

Thanks !

 

Chuck

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