Hello all, I had a question regarding PBF and how the failover works. I have Internet circuit A and Internet circuit B, each through a different ISP. All traffic and VPN tunnels go through circuit A. I create a PBF rule to route web-browsing and ssl traffic only (using application-default) through circuit B. It is my understanding that failover occurs when it cannot ping the gateway or whatever IP address you specify. My question is, with my current scenario, which circuit is it using to initiate the ping? Say it uses circuit A to initiate the ping and that circuit fails. Wouldn't it try and failover the circuit even though circuit B is still up? Keep in mind that you cannot create a PBF rule for the ping application as far as I know.
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