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Networking Fundamentals

What Is Split Tunneling in Network Configurations?

Published on Nov 12, 2025 0 views

Split tunneling routes only specific traffic through a secure VPN tunnel, letting the rest travel directly to the internet as normal.

Why Use It

Sending all traffic through a VPN can be unnecessarily slow for tasks that don't need it — split tunneling reserves the VPN specifically for traffic that genuinely requires that security or access.

A Practical Example

A remote employee might route only internal company traffic through the VPN, while general web browsing goes directly, improving both speed and reducing unnecessary load on the VPN infrastructure.

The Trade-Off

Traffic outside the tunnel doesn't benefit from the VPN's encryption or access controls, which is a deliberate, accepted trade-off for the performance gain.

Further Reading


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