The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 27, 2015
Filed:
Dec. 22, 2011
Xiangqing Chang, Beijing, CN;
Yang Shi, Beijing, CN;
Jianfeng Liu, Beijing, CN;
Haitao Zhang, Beijing, CN;
Tao Zheng, Beijing, CN;
Min Yao, Beijing, CN;
Xiangqing Chang, Beijing, CN;
Yang Shi, Beijing, CN;
Jianfeng Liu, Beijing, CN;
Haitao Zhang, Beijing, CN;
Tao Zheng, Beijing, CN;
Min Yao, Beijing, CN;
HANGZHOU H3C TECHNOLOGIES CO., LTD., Zhejiang, CN;
Abstract
A method and device for preventing a roaming user terminal from re-authentication are provided. The method includes: when Virtual Local Area Network (VLAN) of a roaming user terminal changes, change information of the roaming user terminal is reported to a Broadband Remote Access Server (BRAS) via an Access Controller (AC) and the BRAS reports modified information of the roaming user terminal to an Authentication, Authorization, Accounting server (AAA server).