WAN: WAN 1 disconnected (WAN failed PING test)

[sitloongs]

The log given indicated that ICMP/PING packets sent doesn’t get reply/response and this actually failing the WAN health check.

For more information please refer to the forum post below :

Health Check Mechanisms Against Link Failure

The objective of this article is to explain how the different health check methods work, and how to configure them. Health Checks are used to detect the Internet link’s logical connectivity. Without health checks, ISP routing issues may not be detected, thus failover may not perform smoothly. Health Check Methods: PING: The router will send a ICMP/PING packet to the specified IP address (or host name) to test WAN connectivity. DNS Lookup: The router will perform a DNS lookup to the specified…

To isolate the potential issue for the Internet connection, please refer to the URL below:

Balance 20: "WAN1 Disconnected (WAN Failed DNS test)" [RESOLVED]

Hi, WAN health check feature is just simple connection test tools to verify internet connectivity over the WAN connection. WAN health check failed mean the traffics sent from the WAN interface doesn’t get replied/responded. You can actually find the heath check stability - consecutive count by accessing to the support.cgi page. [image] Health check failure can be caused by the following: 1. Communication between Balance router and ISP router. ISP Router/Modem Hang issue Physical/Port Spee…