<div style="line-height:1.7;color:#000000;font-size:14px;font-family:arial"><div>hi,all</div><div>look at the output of netstat, it is after at least 30minutes i un-plug cable.</div><div>how to make server know client's disconnect and disconnect channels(clean channels).</div><div><br></div><div>tcp 0 0 192.168.5.240:5903 192.168.5.163:60029 ESTABLISHED 31315/qemu-kvm </div><div>tcp 0 0 192.168.5.240:5903 192.168.5.163:60033 ESTABLISHED 31315/qemu-kvm </div><div>tcp 0 0 192.168.5.240:5903 192.168.5.163:60028 ESTABLISHED 31315/qemu-kvm </div><div>tcp 0 24815 192.168.5.240:5903 192.168.5.163:60030 ESTABLISHED 31315/qemu-kvm </div><div>tcp 0 0 192.168.5.240:5903 192.168.5.163:60019 ESTABLISHED 31315/qemu-kvm </div><div>tcp 0 0 192.168.5.240:5903 192.168.5.163:60027 ESTABLISHED 31315/qemu-kvm </div><div>tcp 0 0 192.168.5.240:5903 192.168.5.163:60032 ESTABLISHED 31315/qemu-kvm </div><div>tcp 0 0 192.168.5.240:5903 192.168.5.163:60031 ESTABLISHED 31315/qemu-kvm </div></div><br><br><span title="neteasefooter"><span id="netease_mail_footer"></span></span>