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:
May. 12, 2009
Filed:
Jul. 11, 2003
Applicants:
Gopal Dommety, San Jose, CA (US);
Thenmozhi Palaniappan, Sunnyvale, CA (US);
Ronald Maxam, Renton, WA (US);
Inventors:
Gopal Dommety, San Jose, CA (US);
Thenmozhi Palaniappan, Sunnyvale, CA (US);
Ronald Maxam, Renton, WA (US);
Assignee:
Cisco Technology, Inc., San Jose, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of restricting Address Resolution Protocol (ARP) table updates to updates originating from authorized subsystems is disclosed. According to one aspect of the method, an instruction to update an ARP table is received. It is determined whether a particular subsystem from which the instruction originated is authorized. If the particular subsystem is authorized, then the ARP table is updated based on the instruction.