Because you say "When I ping google public dns, the first hop is the provider's switch" Can u try the following? 1) Delete the VPN adapter 2) add this rule in the registry For Windows Vista, 7, 8, 10, and 2008 Server: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\PolicyAgent RegValue: AssumeUDPEncapsulationContextOnSendRule Type: DWORD Data Value: 2 3) reboot 4) add the vpn connection again and try to connect.
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