If you check specifications on website, then IPSec speed for TL-R600VPN is IPsec VPN Throughput (3DES) 13Mbps So, I guess, nothing you can do. TL-ER6020/6120 has much higher IPSec speed, that's one...

I do not understand properly, what your topology is. 4 different routers TL-R470T+? Or 4 WANs on 1 TL-R470T+? 4 other routers, which are connected to 4 WANs of TL-R470T+?How is it connected in...

I doubt you will find people there, who used AWS with TP-Link. However, I checked guide how to configure it and there is an example with bloody Draytek :D It is just IPSec VPN configured, nothing...

As I understand, Web-interface works properly. Well, for the old switches, telnet/ssh doesn't work by default, it will show after login, that you need to configure Enable password firstly. You should...

Yeah, but I mean, the topic's name is 3.1.4 (windows) has been released, but there is no topic about the newer version (3.1.13)

Just like you said :) If you need transparent tunnel, then configure one CPE610 as AP, other one as Client. It not a big deal to configure (SSID+WPA2-AES passowrd on AP and Client just connect to...