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. 25, 2011
Filed:
Jan. 26, 2005
Ravikanth Samprathi, Mountain View, CA (US);
Dar-hsin Dustin Wu, Fremont, CA (US);
Suran DE Silva, Saratoga, CA (US);
Ravikanth Samprathi, Mountain View, CA (US);
Dar-Hsin Dustin Wu, Fremont, CA (US);
Suran De Silva, Saratoga, CA (US);
Cisco Technology, Inc., San Jose, CA (US);
Abstract
A method and apparatus for tracking at least one Layer-2 (L2) resource of a network device is provided. The method includes monitoring software operations on the L2 resource. The method further includes monitoring the state of the L2 resource in a corresponding hardware device (e.g., the network device). The L2 resource may be at least one of a Media Access Control (MAC) address, a Virtual Local Area Network (VLAN) identifier, a MAC address, and a VLAN identifier pair.