AIX

Hi Folk,

I have a question :
when I hit following command, it shows some of the parameters related to tcp (as shown below). Do you have any idea about them?
$ no -a

tcp_keepcnt = 8
tcp_keepidle = 1800
tcp_keepinit = 600
tcp_keepintvl = 150


And how the tcp_keepinit value plays it role when it comes to no. of connections on a Server connection channel of MQ Qmgr?

Appreciate your help.
thanks
-Varun

This looks like AIX - I am moving it to the AIX subforum. Also there is plenty of documentation to those on the web.

http://publib.boulder.ibm.com/infoce...f_tuneaix.html
HTH

In principle: a TCP connection is a so-called "virtual channel", think of it like a telephone call: you ring someone, he picks up the call - until one of you ends this call you are connected. The same principle applies to TCP: a connection is initiated, established and after some time removed. You can monitor all this with the "netstat" utility.

After some time an idle connection is removed automatically to preserve resources of the network stack. How long the system waits and how it determines what comprises an "idle" connection is subject of the parameters you asked for. Most of the values are seconds or milliseconds.

There is an arcane fountain of knowledge you could tap for more information called the "man pages". In this case the man pages of "no", which explain the parameters in painstaking detail. I suggest you read a good book about TCP/IP concepts and protocol mechanics (i always suggest W. Richard Stevens "TCP/IP Illustrated" and Andrew Tanenbaums "Computer Networks") first.

I hope this helps.

bakunin

Thanks Sir.
I appreciate your help.