Patent ID: 7739359

Claim:
A method for configuring a cable modem, the method comprising: receiving a configuration server address request from a cable modem; forwarding the configuration server address request from the cable modem to an address server; receiving a configuration server address offer from the address server, wherein the configuration server address offer includes the address of a configuration server; replacing the address of the configuration server with the address of the head end at the head end, wherein the address is replaced in the configuration server address offer received from the address server; forwarding the modified configuration server address offer to the cable modem, wherein the modified configuration server address offer configures the cable modem to send a quality of service profile request to the head end instead of to the configuration server; sending a configuration profile request to the configuration server on behalf of the cable modem; receiving a configuration profile reply from the configuration server, wherein the configuration profile reply includes a configuration profile and authentication information; verifying that the authentication information is valid.