Как добавить DNS для статического пула при подключения VPN/
vpdn-group 1
! Default L2TP VPDN group
! Default PPTP VPDN group
accept-dialin
  protocol any
  virtual-template 1
!
!
interface Virtual-Template1
mtu 1480
ip unnumbered FastEthernet0/1
ip nat inside
ip virtual-reassembly
autodetect encapsulation ppp
peer default ip address pool POOL
ppp mtu adaptive
ppp mru match
ppp encrypt mppe auto
ppp authentication ms-chap-v2 ms-chap VPN
ppp authorization VPN
!
!
ip local pool POOL 192.168.30.201 192.168.30.230
!