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Full Discussion: Changing TCP/IP Options in SunOS
Top Forums Programming Changing TCP/IP Options in SunOS Post 31847 by S.P.Prasad on Wednesday 13th of November 2002 11:45:55 PM
Old 11-14-2002
The TCP/IP parameter TCPTV_KEEP_IDLE specifies how long the operating system waits before checking a connection. While TCPTV_KEEPINTVL defines the time interval between two successive KEEPALIVE packets and TCPTV_KEEPCNT specifies the number of KEEPALIVE packets sent before the operating system concludes that the client program is not responding. The timeout period after a client fails to respond is determined by multiplying TCPTV_KEEPINTVL by TCPTV_KEEPCNT.One PR_SLOWHZ time unit is approximately one second. These can be manipulated at individual program levels.

TCPTV_KEEP_IDLE (2*60*PR_SLOWHZ)
TCPTV_KEEPINTVL (60*PR_SLOWHZ)
TCPTV_KEEPCNT 1
 

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LEARN ABOUT OPENSOLARIS

tcp

tcp.h(3HEAD)							      Headers							      tcp.h(3HEAD)

NAME

       tcp.h, tcp - definitions for the Internet Transmission Control Protocol (TCP)

SYNOPSIS

       #include <netinet/tcp.h>

DESCRIPTION

       The <netinet/tcp.h> header defines the following macro for use as a socket option at the IPPROTO_TCP level:

       TCP_NODELAY    Avoid coalescing of small segments.

       The macro is defined in the header. The implementation need not allow the value of the option to be set with setsockopt() or retrieved with
       getsockopt().

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Interface Stability	     |Standard			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       getsockopt(3XNET), socket.h(3HEAD), attributes(5), standards(5)

SunOS 5.11							    10 Sep 2004 						      tcp.h(3HEAD)
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