Direct answer and what determines it

Yes—sometimes you can access local networks (your home/office LAN) while connected to a VPN, but it’s not guaranteed. The outcome depends mainly on how your device routes network traffic during the VPN connection and on the VPN client’s configuration (for example, whether it routes only certain destinations through the VPN or routes all traffic).

A simple model: where your traffic goes

When you connect to a VPN, your device creates an encrypted path for some or all traffic. Whether local network access works comes down to whether requests for local IP addresses (such as private LAN ranges) continue to go to your local gateway or get sent through the VPN tunnel.

In practice, you can think of two common behaviors:

  • Split behavior: Only traffic bound for the internet or specific destinations uses the VPN, while local LAN traffic stays on your regular local network path.
  • All-traffic behavior: Traffic is routed through the VPN tunnel, which can unintentionally block or complicate reaching local devices unless the VPN path is set up to carry that local connectivity.

Differences and limits to watch

The following factors commonly decide whether local access works, even when the VPN is “connected”:

  • Routing preference: If your client (or OS network manager) sends all traffic through the VPN, local IP requests may not be handled as you expect.
  • VPN configuration choices: Some VPN setups allow or enable access to LAN resources; others intentionally prevent it for isolation.
  • Firewall rules: Even if traffic reaches the right path, local firewall settings on your device or on the LAN device can block access.
  • Name resolution vs. IP: Using hostnames (via DNS) may fail or behave differently, while using the direct local IP address may still work.

Because setups differ by operating system, VPN client, and network environment, you may see different results across devices or locations.

What you can check to confirm locally

To verify whether local network access is working in your situation:

  1. Try a direct local IP: If you know the LAN IP of a local device, test connectivity to the IP rather than relying on hostnames.
  2. Confirm firewall permissions: Check whether the VPN connection changed your network profile or blocked inbound/outbound access.
  3. Compare while toggling VPN: Test local access with the VPN off, then on, to see what changed.
  4. Review your VPN client behavior: Look for options related to routing “local network,” “LAN access,” “split tunneling,” or “route all traffic through VPN.”

If local access fails only under the VPN, the root cause is usually routing or firewall/DNS behavior rather than a fundamental “VPN can/can’t” rule.