Xiamen Caimore Communication Technology Co.,Ltd2 F, 37#, Wanghai Road, Software Park 2, Xiamen,China (361009)Tel:+86 592 5901215 web:www.caimore.com/emain.asp39Wireless Router checks destination IP address through PING (ICMP) packet periodic ,when the referenced destination IP address device doesn’t respond PING (ICMP),wireless Router considers communication line is disconnected already, wireless Routerwill released the original link, then dial-up again automatically, till communication link issmooth. So please make sure the selected destination address IP server is stable and on,otherwise, Router judge to be off-line, and make Router on and off-line frequently.Notice: the selected destination IP address server is allowed PING, if not allowed, thedestination IP address server doesn’t respond to PING, Router judge to be off-line, andmake Router on and off-line frequently.Rule 2: TCP modeWireless Router checks destination IP address and port through TCP syn packet periodic,when the destination IP address device doesn’t respond, wireless Router considerscommunication line is disconnected already, wireless Router will released the originallink, then dial-up again automatically, till communication link is smooth. So please makesure the selected destination address IP server is stable and on, otherwise, Router judge tobe off-line, and make Router on and off-line frequently.Notice: the selected destination IP address server is checking relevant port, if the selecteddestination IP address server is not stable or off or without checking relevant port, Routerjudge it to be off-line, and make Router on and off-line frequently.Rule 3:Data ModeIn a certain period of time, if the Router did not receive any data package, then it isbelieved that the communication link disconnected, and it will dial-up again tillcommunication link is smoothRule 4:LCP modeRouter checks online through LCP. In a certain period of time, if Router did not receivepackage, it will restart.Please kindly noted that the selected destination IP address server supports PAP/CHAP