I tried to check for connection time out, but it looks fine.In the below code, even after waiting for 120 min., its printing the "connection defined", but when it comes to $stmp-> connect(); I get the same error.

if(defined($stmp->socket->connected)){
                print "\nconnection defined\n";
            }
$stmp->connect();
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So, can socket time out be the only reason. How can I set that up.
I dont want to send the keep alive message as it may increase the traffic at peak times.

Please let me know your inputs.

Thanks,
Manu