20. Palo Alto PBR(Policy Based Forwarding) instead of SD-WAN
Add WAN2 interface
Add Elastic IP
IP SLA for TRACK
NAT configuration
Some Traffic use WAN2 interface
Fault tolerance
172.31.46.138
172.31.2.10
WAN1 172.31.3.10 13.233.169.147
WAN2 172.31.4.156 3.7.137.167