**** ADSL ROUTER 
IP: 192.168.2.254
DMZ to: 192.168.2.55

[ADSL router LAN PORT 1 <--> WRT WAN PORT]

**** WRT54G
** WAN
IP: 192.168.2.55
GATEWAY: 192.168.2.254

** LAN
IP: 192.168.1.1

[WIFI]

**** PC
** WLAN
IP: 192.168.1.77
GATEWAY: 192.168.1.1