The TL-SG1024DE is an Easy Smart switch, it has WEB based Server (WEB UI), that's why it needs management IP and that's why it needs MAC address (but the mac address is not for the port, it is for...

Please contact with the TP-LINK supporter directly for help.

The TL-POE10R is a standard IEEE 802.3 af compatible PD. It should be able work with your standard PoE switch. If you have problem working with it, you can contact the TP-LINK Supporter directly.

You can refer to the Guide for help http://static.tp-link.com/res/down/doc/VPN_Config_Guide_V2.pdf

Hope this Guide can hlep you http://static.tp-link.com/res/down/doc/VPN_Config_Guide_V2.pdf

What's problem? If you encounter any problem, you can post it here and discuss with us or contact the supporter directly for help.