i've got bsnl 2mbps home 500 plan with marvel yukon modem....im not able to connect to the internet these days, there are actually 4 green lights on the modem except for the "inet" light, all the other lights are fine.....but the inet doesnt, when i've opened the modem configuration page>summary>WAN> the status is given as "authentication failure"...so i reset the modem and opened the modem config page again and gone to>Advanced>WAN> and clicked on edit for the first connection...the re entered the username and password(which is reset back again to "password" when i reset the modem) and saved the settings and rebooted the modem...no matter how many ever times i do the whole process, the username gets back to "multiplay" and the status is authentication failure....im using windows vista, if anybody knows any solution for this problem, plz help me....thanx a lot...