TCP/IP Hangs?

2009-08-25 Thread Schuh, Richard
We notice fairly frequent occurrences of a momentary hang condition. We see the x-clock in the lower left corner of the terminal emulator screen. These can last any where from a couple to 30 or more seconds. I have been unsuccessful tying this to any messages in the TCPIP console log. How do I

Re: TCP/IP Hangs?

2009-08-25 Thread Brian Nielsen
A network trace between your IP address and the TCPIP stack is an excellent place to start. Looking at the packet trace will tell you whic h end of the connection is causing the delay. It could be delays caused by conflicts between the TCPIP algorithms for Nagle and Delayed Acks (which can

Re: TCP/IP Hangs?

2009-08-25 Thread Schuh, Richard
- From: The IBM z/VM Operating System [mailto:ib...@listserv.uark.edu] On Behalf Of Barton Robinson Sent: Tuesday, August 25, 2009 1:31 PM To: IBMVM@LISTSERV.UARK.EDU Subject: Re: TCP/IP Hangs? look at the ESAXACT screen/report and make sure tcpip is not waiting for anything. If very