Hongdian H8951 3G/4G Wi-Fi router - Manual (Page 126)

5 Router config H8951 3G/4G Router
(2014-07-01) - 110 -
Figure 6-87 parameter select setting 2
When L2TP link is working for some reason disconnected from the server, the router will
perform parameter switching in Command "check icmp", through IP ping to detect whether
router interrupt with network operators; after 3 IP ping fails, the router will switch to the
PPTP link, connecting to maintain the server, continue to work.
Effect
Initially using L2TP link, then set L2TP connection is disconnected manually, the router after 3
ping 192.168.100.1, after the link failed, the link will switch to the L2TP and maintaining
connection to the server.