This recipe is an updated version of our FortiOS 5.4 recipe covering ADVPN basics. ADVPN (Auto Discovery VPN) is an IPsec technology based on an IETF RFC draft (https://tools.ietf.org/html/draft-sathyanarayan-ipsecme-advpn-03). In simple terms, ADVPN allows a traditional hub and spoke VPN’s spokes to establish dynamic, on-demand direct tunnels between each other so as to avoid routing...
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