int fa0/0
desc inside
ip add 10.10.10.254 255.255.255.0
ip nat ins

int fa0/1
desc paha internet
ip add 192.168.0.1 255.255.255.240
ip nat outs

ip access-l ex acl-nat-default
den ip 10.10.10.10 host 42.42.42.42
den ip 10.10.10.10 host 42.42.42.42
permit ip 10.10.10.0 0.0.0.255 an

ip access-l ex acl-nat-pari-pcta
perm ip 10.10.10.10 host 42.42.42.42
perm ip 10.10.10.10 host 42.42.42.42

! tai prefix 28
ip nat pool pankkihomot 192.168.0.100 192.168.0.100 netmask 255.255.255.240

ip nat inside source list acl-nat-pari-pcta pool pankkihomot

ip nat inside acl-nat-default int fa0/1 ov