D-Link DWS-3160-24TC DWS-3160 Series Web UI Reference Guide - Page 136

DWS-3160 Series Gigabit Ethernet Unified Switch Web UI Reference Guide Advertisement Interval (1-255) Enter the interval between sending advertisement messages. Preempt Mode Use the drop-down menu to determine the behavior of backup routers within the VRRP group by controlling whether a higher priority backup router will preempt a lower priority Master router. If True is selected, and the backup router's priority is higher than the Master's priority, the backup router will become the Master router. If False is selected, the backup router with higher priority will not become the Master router. This setting must be consistent with all routers participating within the same VRRP group. Critical IP Address Enter an IP address of the physical device that provides the most direct route to the Internet or other critical network connections from this virtual router. This must be a real IP address of a real device on the network. If the connection from the virtual router to this IP address fails, the virtual router will automatically disabled. A new Master will be chosen from the backup routers in the same VRRP group. Different critical IP addresses may be assigned to different routers in the same VRRP group, and can therefore define multiple routes to the Internet or other critical network connections. Checking Critical IP Use the drop-down menu to enable or disable checking the status of a critical IP address. Click the Apply button to accept the changes made. Click the