Key features include automatic WAN-to-VPN tunnels, dual-SIM for failover, and reliable health checks so the tunnel recovers quickly. Be mindful of NAT: with cellular NAT, inbound connections may not reach the remote site. You might use an outbound VPN to a central server or overlay networks, and plan firewall rules to limit exposure. We can help you pick models that support these patterns and validate SIM/carrier constraints; we can provide a recommended topology.
Public Q&A
What specific router features best support reliable site-to-site VPNs on cellular?
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