查看系统TCP keepalive值：
AIX:
$ no -a | grep keep
HP-UX and Solaris:
$ ndd -get /dev/tcp tcp_keepalive_interval
Linux:
$ sysctl -a | grep keep
AIX/Linux/Solaris/HP-UXAIX查看系统TCP keepalive值,布布扣,bubuko.com
AIX/Linux/Solaris/HP-UXAIX查看系统TCP keepalive值
原文：http://378255.blog.51cto.com/368255/1409949