EAP-TLS/PEAP authentication problem(can not reply correct attribute)

Hi All I have NAS client which support WISPr standard working with freeradius 2.1.10+MySQL 5.5 install on Fedora OS. I create my test certificate and configure EAP-TLS/PEAP authentication well in my setup. I am using WINDOWS XP as client pc it can pass authentication but freeradius can not reply correct attribute I configured such as bandwidth control. I noticed in the reply attribute the vendor is Microsoft not WISPr. I wonder if this is WINDOWS default setting how can I modify so that FR can reply the correct attribute I configured? Best Regards Gary BROWAN COMMUNICATIONS INC. Tel:886-3-600-6899 ext.4842 Fax:886-3-597-2970 e-mail:gary.yang@browan.com