Mastering pfSense & OPNsense: Enterprise Multi-WAN Failover, WireGuard VPN & VLAN Security
Author / Issuing Authority: David Zientara (Packt Enterprise Networking) • Category: RF Comms, Electronics & Offline Compute
Practical guide to configuring open-source multi-WAN firewalls across FTTP fibre, Teltonika 5G cellular & Starlink Business terminals.
Why This Manual Matters in a Grid-Down Outage
Shows IT and facilities teams how to turn a fanless Protectli Vault N100 into an enterprise border gateway that automatically shifts VoIP, EPOS, and clinical traffic to 5G/Starlink when street fibre is severed.
Plant-Room & Field Operational Takeaway
Detailed recipes for gateway ping-monitoring groups, policy-based bandwidth shaping during cellular failover, local Unbound DNS caching, and VLAN isolation for CCTV/BMS subnets.
Maintaining a physical dead-tree edition of Mastering pfSense & OPNsense: Enterprise Multi-WAN Failover, WireGuard VPN & VLAN Security (ISBN-13: 978-1801815062) in your plant room, comms rack, or site incident grab-bag ensures engineers and duty wardens have immediate access to statutory tables, pinouts, and safety protocols when cloud documentation portals and corporate intranets are unreachable.
Paired Commercial Hardware & Test Instruments
- [RL-ENT-021] Teltonika RUTX50 Industrial 5G Dual-SIM Continuity Router — Price confirmed at launch
- [RL-ENT-022] YAOSHENG 220W 12V/24V-to-48V DC Starlink PoE Conversion Kit — Price confirmed at launch
- [RL-KIT-057] Server Room Cat6A RJ45 Termination, PoE++ Wiremap Tester & FTDI Serial Console Recovery Kit — Price confirmed at launch
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