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Fortinet NSE 4 - FortiOS 7.6 Administrator NSE4_FGT_AD-7.6 · Domain 5: VPN

Redundant VPNs: two tunnels, route distance/priority, DPD, tunnel monitoring

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Last reviewed September 25, 2026 · Leer en español

Branches that depend on a VPN need it to survive the failure of a single link or tunnel. FortiGate builds VPN redundancy by running two (or more) tunnels and using routing plus liveness detection to fail over between them automatically. The mechanics, distance/priority and dead peer detection, are exactly what the exam probes.

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