Some sites half-load via VPN, others fine.
Classic MTU issue. Encrypted tunnel adds overhead and packets get cut.
Try this first
- 1Test ping with don't-fragment and rising size.
- 2Lower MTU on VPN interface (often 1380-1420).
- 3MSS-clamp at gateway as alternative.
When to bring us in
We measure and tune MTU/MSS.
See also
- VPN will not connect or keeps droppingTwo main causes: your home internet or the VPN server. One quick test separates them.
- VPN connects but corporate folders are unreachableConnection says "green" but your network drives will not open. Almost always a DNS or routing issue.
- Home PC slow on VPN, fast at the officeThree suspects: home internet, VPN server limits, or routing that takes a long detour.
None of the above fits?
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