Netopia 3346N-ENT User Guide (en)

WAN Configuration   2-27
VRRP Options (WAN Link Failure Detection)
Beginning with Firmware Version 8.5.1, the firmware offers VRRP Options to detect Layer 3 link failures on the 
WAN. When you enable this feature, the Netopia Router will continuously Ping one or two hosts that you specify 
to determine when a link fails, even if the physical connection remains established. If Layer 3 WAN Link Failure 
Detection is enabled, the Netopia Router will send continuous Pings, so the WAN link will stay up and idle 
timeout will not occur.
 for a detailed description of VRRP and how to create 
Vir tual Routers.
To enable WAN Link Failure Detection, select VRRP Options in the Advanced Connection Options menu. The 
VRRP Options menu appears.
Toggle Ping Enable to On and press Return. The Ping settings options appear.
                                  VRRP Options
         WAN Link Failure Detection:
         Ping Enable:                       Off
Return/Enter accepts * Tab toggles * ESC cancels.