Static Routes with IP SLA and Object Tracking | Ethan Banks
Configuring WAN Failover with a Cisco 881 Router and an AirLink Device
10.15 Using IP SLA for Path Control – Stuck-in-Active: Journal of an IT-Network Administrator
IP SLA configuration, verification, “object tracking” configured and explained, quite an extensive subject and read so brace yourself! – The DEVNET GRIND!