Q: we have two ISPS and would like to configure dual ISPS and automatic VPN failover on Palo Alto Firewall. Can we do it and how?
A: Yes, you can. Please refer to this article:
HOW TO CONFIGURE A PALO ALTO NETWORKS FIREWALL WITH DUAL ISPS AND
AUTOMATIC VPN FAILOVER
https://knowledgebase.paloaltonetworks.com/KCSArticleDetail?id=kA10g000000ClFiCAK