Internet availability checking (Ping Check)

The Keenetic allows you to connect to multiple ISPs at the same time (called Multi-WAN) and enable continuous Internet availability verification (Ping Check). Ping Check detects whether an Internet connection is available by polling a given network host. If the primary ISP's network fails, the router will automatically connect to the backup channel.

You can configure Internet availability checks for wired connections IPoE (also with provider authentication by protocols PPPoE, PPTP and L2TP), as well as WISP, ADSL / VDSL. But especially the Ping Check feature will be useful if you have Internet connection via 3G/4G USB modem.

NOTE: Important! Keenetic are able to manage power supply of USB modems without user assistance. The fact is that many modern modems are standalone devices that launch and operate separately from the router. On the one hand, this is good. But on the other hand, many compact USB-modems are designed primarily for episodic work in a laptop, but not for round-the-clock work, on which they can fail or hang. With the help of Ping Check function, Keenetic will find out by itself that the Internet is not available for some reason, and will automatically reboot the modem on power supply for the connection to appear again.

You do not need to care about configuring Ping Check. All you need to do is connect supported USB modem to the Keenetic and make sure that it is detected and ready for operation (this can be done in the web interface on the 'System Monitor' page). The Ping Check function is activated automatically when a USB modem is connected to Keenetic. Ping Check uses the 'Default' ('Automatic') mode as a check method.

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This mode is designed to simplify the Ping Check function setup for ordinary users (those who do not want to know the additional parameters). Availability of hosts google.com, facebook.com, yahoo.com on the port TCP/443 (HTTPS) is checked. This port is not blocked by carriers as a rule. If there is no connection to the hosts, the router will try to reconnect by restarting the modem interface, or if there is a backup connection, it will automatically reconnect to the backup channel.

In addition to the default functionality, it is possible to configure the Ping Check function by yourself. For details, refer to the instruction Fine-tuning Ping Check

 

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