Ovak na brzinu fali ti nat u konfi. Ne sjecam se kolko MTU mora biti.
interface dialer1
ip address negotiated
mtu 1492
ip nat outside
encapsulation ppp
dialer pool 1
ppp chap hostname
ppp chap password
ppp pap sent-username password
!
ip nat inside source list 1 interface dialer1 overload
!
ip classless
ip route 0.0.0.0 0.0.0.0 dialer1
access-list 1 permit 0.0.255.255