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:
Sep. 07, 2010
Filed:
Feb. 02, 2005
Michael Yip, Sunnyvale, CA (US);
Shehzad T. Merchant, Mountain View, CA (US);
Kenneth T. Yin, Rumson, NJ (US);
Eric Knudstrup, Saratoga, CA (US);
Michael Yip, Sunnyvale, CA (US);
Shehzad T. Merchant, Mountain View, CA (US);
Kenneth T. Yin, Rumson, NJ (US);
Eric Knudstrup, Saratoga, CA (US);
Extreme Networks, Inc., Santa Clara, CA (US);
Abstract
A method and system for an aggregated virtual local area network (VLAN) architecture in which several VLANs in a network share the same default router address and subnet mask, but remain isolated from one another's network traffic. Instead of the traditional method of assigning one subnet to a VLAN, each VLAN is assigned only a portion of a subnet's IP address space, and is further grouped into a super-VLAN uniquely associated with that subnet. Intra-VLAN traffic is forwarded only to host IP addresses assigned to that same VLAN according to a VLAN identifier carried in the data packet. Inter-VLAN traffic is processed by a virtual router interface which routes the data packet by applying the routing configuration for the subnet uniquely associated with the super-VLAN, according to a super-VLAN identifier carried in the data packet.