Why does VPN work on WiFi but not dorm Ethernet?

This usually means the VPN itself may not be broken. Dorm Ethernet may use different authentication, routing, firewall rules or traffic handling compared with campus WiFi.

Why does the VPN show connected but websites still do not load?

A connected status only means the client believes the tunnel is established. It does not guarantee that all traffic can pass through the current network environment successfully.

How can I tell if the dorm Ethernet is the problem?

If the same device and same VPN work on mobile data or campus WiFi, but fail only when connected to dorm Ethernet, the dorm wired network is the more likely cause.

Network Investigation

VPN Works on WiFi But Not Dorm Ethernet?

VPN connected does not always mean traffic can pass.

If the same laptop and VPN work on campus WiFi or mobile data but fail on dorm Ethernet, the wired dorm network environment should be checked first.

Short answer

This usually does not mean the VPN is completely broken.

The dorm Ethernet network may be handling authentication, routing, ports, protocols or traffic paths differently from WiFi.

Why WiFi works but Ethernet fails

Campus WiFi and dorm Ethernet may look like the same university network, but they can use different VLANs, authentication systems, exit routes and firewall rules.

So a VPN working on WiFi does not guarantee it will pass traffic correctly on dorm Ethernet.

Connected does not always mean usable

Many VPN clients show connected when they believe the tunnel has been established.

But whether Google, YouTube, Discord or other outside services actually load depends on whether traffic can pass through the current network environment.

Common signs

The same laptop and VPN work on mobile data
Campus WiFi works, but dorm Ethernet fails
The VPN client shows connected, but websites time out
Different VPN accounts show similar results
The problem appears only on the dorm wired network

What should you check first?

Compare network environments before changing VPN accounts.

Test the same device and same VPN on mobile data, campus WiFi and dorm Ethernet. If only dorm Ethernet fails, the diagnosis should shift toward the wired dorm network environment.

Our observation

Many connection problems are not account problems, and not just about whether the software button is turned on.

The real question is whether the current network environment allows the connection to pass completely and reliably.

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