Here’s the relevant configuration (non-relevant sections removed)
PART 1
interface ethernet 1
name LOCAL_AREA_NETWORK
enable
ip address 192.168.31.1 255.255.255.0
ip allow-promiscuous-vip
!
interface ethernet 2
name TELEFONICA_VIVO_FIBRA
enable
ip address 192.168.15.254 255.255.255.0
!
interface ethernet 3
name CLARO_NET_VIRTUA
enable
ip address dhcp
!
ip route 208.67.220.220 /32 192.168.0.1
!
ip route 208.67.222.222 /32 192.168.15.1
!
health monitor MONITOR_DNS_VIVO
override-ipv4 208.67.222.222
override-port 53
interval 3 timeout 3
method dns domain google.com port 53 expect response-code 0 recurse enabled type A
!
health monitor MONITOR_DNS_CLARO
override-ipv4 208.67.220.220
override-port 53
interval 3 timeout 3
method dns domain google.com port 53 expect response-code 0 recurse enabled type A
!
health monitor MONITOR_PING_VIVO
override-ipv4 192.168.15.1
interval 3 timeout 3
!
health monitor MONITOR_PING_CLARO
override-ipv4 192.168.0.1
interval 3 timeout 3
!