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.

Date of Patent:
Jan. 22, 2019

Filed:

Mar. 02, 2016
Applicant:

Juniper Networks, Inc., Sunnyvale, CA (US);

Inventors:

Manoj Sharma, Cupertino, CA (US);

Wen Lin, Andover, MA (US);

Nitin Singh, Fremont, CA (US);

John E. Drake, Pittsburgh, PA (US);

Assignee:

Juniper Networks, Inc., Sunnyvale, CA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 12/753 (2013.01); H04L 12/46 (2006.01); H04L 12/715 (2013.01); H04L 12/18 (2006.01); H04L 12/741 (2013.01); H04L 12/721 (2013.01);
U.S. Cl.
CPC ...
H04L 45/48 (2013.01); H04L 12/1886 (2013.01); H04L 12/462 (2013.01); H04L 12/4633 (2013.01); H04L 12/4641 (2013.01); H04L 45/04 (2013.01); H04L 45/66 (2013.01); H04L 45/74 (2013.01);
Abstract

A device may receive, from a first device associated with a first LAN, network traffic destined for a second LAN. The device may provide the first LAN with access to a core network. The device may not provide the second LAN with access to the core network. The device may identify, based on the network traffic, a Layer 3 address associated with a second device. The second device may be associated with the second LAN. The device may determine that the first device is categorized as a leaf device within an Ethernet Tree provided by the device. The device may determine, based on the Layer 3 address, that the second device is categorized as a leaf device within the Ethernet Tree. The device may drop the network traffic based on determining that the first device and the second device are categorized as leaf devices within the Ethernet Tree.


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