vpdn IP Unnumbered all interfaces

[MarckKarter]

i have vpdn connection . pptp 

my connection is good 

this is my commands 

aaa new-model
aaa authentication login telnet local
aaa authentication PPP default local
aaa authorization NETWORK default local
usernam vpn password vpn
vpdn enable
vpdn-group pptp
! Default PPTP VPDN group
accept-dialin
protocol pptp
virtual-template 10
ip local pool vpn 192.168.1.120 192.168.1.125
interface Virtual-Template10
peer default ip address pool vpn
no keepalive
ppp encrypt mppe 128
ppp authentication ms-chap-v2
ip unnumbered FastEthernet0 // interfase

ip unnumbered  

To whom the packet is sent by this interface FastEthernet0 

how to join all interfaces in 1 tunnel or vlan 

to gel access in  all interfaces in my vpn 

[MHM Cisco World]

this is cloned from the virtual-template i.e.
there are virtual-interface build each time One remote router connect to this HQ router. 
the virtual-interface config is copy from this virtual-template.
Note:-for the P2P ip address you know for P2P you can unnumbered one end.

[MarckKarter]

Thank you  ;

FastEthernet1

FastEthernet2

FastEthernet3

FastEthernet4

and i can use all in ip unnumbered

can i use tunnel or vlan to do it ?!

[MHM Cisco World]

we use Loopback because it always UP.