I think that is impossible in this configuration, because wireless interface in guest mode isolates clients. Only in wired mode it will be possible.

[quote]Let's assume: Router 1 - main router Router 2 - bridged router [/quote] What kind of connection do you have between routers?

Firstly you can know provider network configuration

Do you have correct ADSL settings on the router?

Everything you can see on my server. This is an unofficial forum created by people no by the TP-Link corporation. My appeal if anybody have some files with new firmware I invite to contact with me I...

I don't know anybody from TP-link firmware developers (headquarters) I have contact only with Polish TP-Link branch. tplink-forum is my private initiative. Sorry I don't know anything about TP-Link...