Re: TN3270 Session Hangs

2011-09-16 Thread Werner Kuehnel
is NO CheckClientConn, so if you want to activate it you have to code it in the TELNETGLOBALS, TELNETPARMS, or PARMSGROUP statement block. Werner Von:Bill Hecox bill.he...@mail.com An: IBM-MAIN@bama.ua.edu Datum: 16.09.2011 02:08 Betreff:Re: TN3270 Session Hangs Gesendet von: IBM

Re: TN3270 Session Hangs

2011-09-16 Thread Chris Mason
that the default is NO CheckClientConn, so if you want to activate it you have to code it in the TELNETGLOBALS, TELNETPARMS, or PARMSGROUP statement block. Werner Von:Bill Hecox bill.he...@mail.com An: IBM-MAIN@bama.ua.edu Datum: 16.09.2011 02:08 Betreff:Re: TN3270 Session Hangs

Re: TN3270 Session Hangs

2011-09-16 Thread Werner Kuehnel
Eventually some background about the hangs at that time. Thanks a lot for the comprehensive clarification. Werner Von:Chris Mason chrisma...@belgacom.net An: IBM-MAIN@bama.ua.edu Datum: 16.09.2011 10:30 Betreff:Re: TN3270 Session Hangs Gesendet von: IBM Mainframe

TN3270 Session Hangs

2011-09-15 Thread Bill Hecox
Several years ago I was working at a bank. They had a T/R network. Emplyees had a Desktop PC with a T/R card and a 3270 emulator(Attachmate I think). They connected to M/F using SNA/LLC2 to an IBM 3172. I asked a few of the employees to try TN3270 from the emulator to the IBM TCP/IP TN3270

Re: TN3270 Session Hangs

2011-09-15 Thread Mark Zelden
On Thu, 15 Sep 2011 07:57:02 -0500, Bill Hecox bill.he...@mail.com wrote: Several years ago I was working at a bank. They had a T/R network. Emplyees had a Desktop PC with a T/R card and a 3270 emulator(Attachmate I think). They connected to M/F using SNA/LLC2 to an IBM 3172. I asked a few of

Re: TN3270 Session Hangs

2011-09-15 Thread Matan Cohen
I had the same problem because of a firewall not under my control , so I enabled TSO-reconnect. On Thu, Sep 15, 2011 at 4:15 PM, Mark Zelden m...@mzelden.com wrote: On Thu, 15 Sep 2011 07:57:02 -0500, Bill Hecox bill.he...@mail.com wrote: Several years ago I was working at a bank. They had a

Re: TN3270 Session Hangs

2011-09-15 Thread Bill Hecox
At the time we talked to some other shops and they had the same experience so we went back to LLC2. I was just talking to another co-worker. He indicated that IBM had problems with there TN3270 Server early on with dropped sessions. IBM came out with many fixes for the TN3270 server and was

Re: TN3270 Session Hangs

2011-09-15 Thread Chris Mason
Bill Does this problem still exist? Your third response is from a Bill Hecox ... IBM came out with many fixes for the TN3270 server and was stablized by 2005-2006. assuring us that IBM has dealt with presumably a number of problems, one per fix in general, and one would hope that whatever

Re: TN3270 Session Hangs

2011-09-15 Thread Knutson, Sam
:06 AM To: IBM-MAIN@bama.ua.edu Subject: Re: TN3270 Session Hangs At the time we talked to some other shops and they had the same experience so we went back to LLC2. I was just talking to another co-worker. He indicated that IBM had problems with there TN3270 Server early on with dropped sessions

Re: TN3270 Session Hangs

2011-09-15 Thread Mark Zelden
On Thu, 15 Sep 2011 12:13:29 -0400, Knutson, Sam sknut...@geico.com wrote: Hi Bill, The IBM Communications Server TCP/IP and TN3270 support is very robust and we have run a good size z TCP network for years on both OS/390 and now z/OS without ever having significant issues with dropped

Re: TN3270 Session Hangs

2011-09-15 Thread Hal Merritt
To: IBM-MAIN@bama.ua.edu Subject: TN3270 Session Hangs Several years ago I was working at a bank. They had a T/R network. Emplyees had a Desktop PC with a T/R card and a 3270 emulator(Attachmate I think). They connected to M/F using SNA/LLC2 to an IBM 3172. I asked a few of the employees to try

Re: TN3270 Session Hangs

2011-09-15 Thread zMan
On Thu, Sep 15, 2011 at 1:36 PM, Hal Merritt hmerr...@jackhenry.com wrote: Sounds like a firewall issue in that it times out before the session.  Many emulators have a 'keep alive' feature. Try that. MTU can also manifest this way. -- zMan -- I've got a mainframe and I'm not afraid to use it

Re: TN3270 Session Hangs

2011-09-15 Thread Bill Hecox
It was some time ago and the exact details escape me. I am relieved that the TN3270 Server is stable and can handle thousands of simultaneous sessions without difficulty. I do not want to get in a situation of suggesting that a shop convert to using TN3270 to the IBM TN3270 Server and have