Cisco Route Map and IP SLA (балансировка нагрузки)
ip sla monitor 1
type echo protocol ipIcmpEcho a.b.c.145
ip sla monitor schedule 1 life forever start-time now
track 101 rtr 1 reachability
ip sla monitor 2
type echo protocol ipIcmpEcho a.b.c.146
ip sla monitor schedule 2 life forever start-time now
track 102 rtr 2 reachability
ip route 0.0.0.0 0.0.0.0 a.b.c.145 track 101
ip route 0.0.0.0 0.0.0.0 a.b.c.146 track 102