Gjergji You have the same subnet on your Ethernet1 interfaces. They have to be in different subnets. For this to work try changing remote E1 to another subnet and change "tunnel destination" to that address
Quite often if you are setting up a reverse telnet server, you change the escape sequence so that you can telnet into the server, reverse telnet to another router and then escape without cnt-shift-6 taking you back to your original router. Check the...
You could try a GRE tunnel between AR1 and BR1 going via the MPLS. That way if you loose the MPLS the tunnel will go "hard" down...But Wil is right....you need to do something with the internet routers.Tim