Could you please explain source natting for us? I am not farmilar with this.

You can refer to the Guide for help and if your problem still exists, you can contact the TP-LINK support or Cisco Support for help. http://static.tp-link.com/res/down/doc/VPN_Config_Guide_V2.pdf

Hi Acommons, I think the TP-LINK Router has no such detailed log information as you described. And as for " Detected ip packets with option field, dropped 50 packets", I think this is not a serious...

Why not contact their supporter directly for help?

What kind of VPN do you config, PPTP, L2TP or IPsec? If you are sure the VPN is connected and the SA is up, why not contact the supporter directly for help?

What is the OS version of your MAC? The Apple added some new features in the L2TP part, this may cause some incompatibility problem as you can see in the article below:...