RB571? I never see that model.
What you ask are not possible.
Is not possible to put "PPPoE Server Binding" connection on one bridge.
2) Use encryption on PPPoE server and set to require encryption for every client, who connects to your server.
It means that whatever processor you're running on doesn't support virtualization in hardware. KVM requires that.
http://en.wikipedia.org/wiki/X86_virtua ... re_support
You should change your processor to a virtualization supported one, i.e. VT supported Intel cpus.
It means that whatever processor you're running on doesn't support virtualization in hardware. KVM requires that.
http://en.wikipedia.org/wiki/X86_virtua ... re_support
force everyone to use mschap2 authentication and encrypt your tunnels