In general, it is difficult to say if the load-balancing work as you are
expecting only based on 2 PCs. You can play with different
hash-modes:https://docs.fortinet.com/document/fortigate/7.4.5/administration-guide/723448/manual-strategy#LB-without-t...
With best performance you will not be able to use multiple links for
load balancing. Idea behind the best performance sdwan rule is to use
THE best link (only one best link available). You would need to use
either lowest cost SLA or manual SDWAN rule...
Hi,If you are not using Maximize bandwidth (FortiOS 7.2 or lower) or
using load-balance option within the SDWAN rule (7.4 or higher) only one
line will be used. More
here:https://docs.fortinet.com/document/fortigate/7.4.5/administration-guide/708464/...