persistent tcp connection?

Fran Lawas-Grodek Fran.Lawas-Grodek at nasa.gov
Thu Mar 27 07:46:53 PST 2003


Silby,

The "route delete" command did the trick.  Thank you very much!


Fran Lawas-Grodek
________________________________________________________________

Frances J. Lawas-Grodek       |     
NASA Glenn Research Center    |     Fran.Lawas-Grodek at nasa.gov
21000 Brookpark Rd, MS 142-4  |     phone: (216) 433-5052
Cleveland, Ohio  44135        |     fax  : (216) 433-8000
________________________________________________________________


On Wed, Mar 26, 2003 at 01:02:10PM -0600, Mike Silbersack wrote:
> 
> On Wed, 26 Mar 2003, Fran Lawas-Grodek wrote:
> 
> > Does anyone know if there a sysctl parameter or kernel option that
> > would "clear out" any memory of a previous tcp connection?  We've
> > played with the following sysctl parameters, and these are what
> > they are currently set --
> 
> What you're looking for are the route metrics, stored in the routing
> table.  Use "netstat -nar" to see which routes have been cached.  You
> should be able to delete the metrics associated with a cloned route by
> doing "route delete ipaddress".
> 
> > net.inet.tcp.keepidle: 14400
> > net.inet.tcp.keepintvl: 150
> > net.inet.tcp.always_keepalive: 1
> 
> These would have nothing to do with what you're seeing.  Keepalive only
> applies to established connections which are sitting idle.  As you are
> disconnecting and reconnecting, only the route metrics are relevant.
> 
> Mike "Silby" Silbersack



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