Which routers support VPN clients?›
Routers running DD-WRT, OpenWrt, Tomato, or ASUS Merlin firmware support OpenVPN and often WireGuard. ASUS (native firmware), Netgear Nighthawk, and Synology NAS devices have built-in VPN client support. Stock firmware from ISP-provided routers typically doesn't. ExpressVPN has a purpose-built router app for selected Asus and Netgear models.
Does a VPN slow down my router?›
Yes, it can. OpenVPN encryption is CPU-intensive, and consumer routers have limited processing power. A router with a 1 GHz dual-core CPU can typically handle 50–100 Mbps through OpenVPN. WireGuard is significantly less demanding — Mullvad and NordVPN support WireGuard on compatible routers, which reduces speed degradation substantially.
How many devices can connect through a router VPN?›
Unlimited — the router counts as a single 'device' for the VPN provider's connection limit. All devices connected to the router share the VPN connection. This is the most efficient way to cover a household with multiple devices.
Do I need both a router VPN and individual device apps?›
No — once the VPN runs on your router, every connected device is already covered, including ones that can't run a VPN app themselves (Smart TVs, consoles, IoT devices). Running a device-level app on top is only useful if you sometimes want that one device to bypass the router's VPN, or to connect to a different server than the rest of the household.
How do I set up a VPN on a travel router like GL.iNet?›
Most GL.iNet routers have a built-in WireGuard or OpenVPN client in their admin panel — you paste in the configuration file or credentials your VPN provider generates for manual/router setup, not your regular app login. This makes a travel router a practical way to cover Smart TVs and other app-less devices, including in hotel rooms.
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