Configure WRT54G Wireless Router in PPPOE mode
Step 1: Make sure that you can go online by connecting your computer to the modem (Without connecting WRT54G router in the network).
Step 2: Connect your computer to the one of the LAN port of WRT54G.
Step 3: Connect the modem to the WAN Port of WRT54G and all devices should be powered on.
Step 4: Open Internet Explorer and type the default IP Address of the Router. The default IP address of WRT54G is 192.168.1.1 and press enter.
Step 5: After Entering the default user name and Password you will log on to the Router Setup page.
Default user name : {no user name}
Default Password : admin
Update: To configure in PPPOE there is no need to change the current Local IP Address.
Step 6: On setup page select PPPOE instead of "Automatic Configuration DHCP"
Step 7: Enter the user name and Password provided by Skynet Broadband and click on save.
Step 8: Click on status bar and click on connect button.