I've got the attached config connected via adsl and am able to ping from the router to say google but I'm getting no internet connectivity to an attached computer. I'm not 100% sure what I'm missing.
Anyway, to do that you can configure IP Reservation
Just do this
Oh yeah, make sure the IP is not leased to anyone yet to avoid issues/it not working
There, NOTE the client identifier always requires 01 at the beginning
the hh.hhhh.hhhh.hh is actually your MAC Address so let's say you have a MAC of aa:bb:cc:dd:ee:ff then your Client ID is 01aa.bbcc.ddee.ff
TIP: 01 is always included before the leased IP, you can actually See 01 on all the IP leased out just do #show ip dhcp binding