Hi i have a tp link 3420 and i made some bad settings som where ... i can connect to the router through wifi and get internet acess if its conencted to my adsl modem hovever i can acess the routers setup luci only gateway ip i get is the adsl modems ip . cant get the router in failsafe either been pressing and clicking qss over and over . tryed wan and lan ports even wifi but cant find  a way to get acess to the tplinks web gui .... been looking at wire shark all thats there sort of is dhcp discover 0.0.0.0 - 255.255.255.255