uplinks:
 - interface: eth2
   ip: 10.1.1.1
   gateway: 10.1.1.254
   description: Example Provider 1
   weight: 1
   default_route: true
   # weitere Interfaces
 [...]
 downlinks:
   lan: eth1

 tests:
   ips:
   - 192.168.254.254
   required_successful: 1
   ping_retries: 1
   interval: 60

 log:
   file: "/var/log/fault_tolerant_router.log"
   max_size: 1024000
   old_files: 10
 [...]