Error 678

This issue caused by PPTP blocked by ISP.
Solutions:
Switch to other solutions like L2TP/CISCO IPSEC

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Error 619

This issue caused by PPTP blocked by ISP.Solutions:Switch to other solutions like L2TP/CISCO IPSEC

No traffic pass through minutes later when connected

This issue looks like the network out of connect suddenly some minutes later after connected.Most...