Overview

Build fast scalable WireGuard meshes that actually hold up in production. Designing a peer to peer VPN is easy until growth, NAT, and policy collide. Overlapping prefixes, stale DNS, blocked UDP paths, and noisy routing often derail rollouts and on call rotations. This book gives you a complete, field tested blueprint, from addressing and identity through automation, dynamic routing, security, Kubernetes integration, and day two operations. Every concept maps to a runnable example so you can ship with confidence. Plan IPv6 first addressing with clean IPv4 fallback and CIDR allocations Use AllowedIPs as both ACL and routing hint without overlaps Automate provisioning with keys, device identity, Ansible, and systemd Pick scalable topologies, full mesh limits, partial mesh, hubs and relays Solve NAT traversal with keepalives and roaming, add ICE TURN or relays when needed Wrap WireGuard over QUIC or TCP for blocked paths with MTU awareness Run BGP with route reflectors and policies, plus OSPFv2 OSPFv3 point to point Use Babel for dynamic meshes and unstable links Secure with OIDC or SAML SSO, device posture, and group based access Enforce microsegmentation above the tunnel with nftables or pf Handle secrets well, PSK usage, rotation, and revocation Tune performance, MTU and MSS, queues, IRQ affinity, and buffers Benchmark with iperf3, Prometheus rules, and Grafana dashboards Operate with exporters, health checks, alert rules, and SLOs Use failure playbooks for NAT, DNS, asymmetric routing, and packet loss Integrate with Calico, Cilium, and K3s flannel across multicluster and multicloud The book includes practical runbooks and platform checklists for cloud and endpoints, covering UDP idle timeouts, Windows specifics, and router quirks. This is a code heavy guide with working Bash, YAML, JSON, HCL, Python, and Systemd Unit examples that you can paste into real systems. Get the guide that turns WireGuard from a fast tunnel into a reliable platform, grab your copy today.

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