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:
Dec. 15, 2015

Filed:

Dec. 16, 2014
Applicant:

Cisco Technology, Inc., San Jose, CA (US);

Inventors:

Rajiv Asati, Morrisville, NC (US);

Ralph Droms, Westford, MA (US);

Vijay Bollapragada, Cary, NC (US);

Assignee:

Cisco Technology, Inc., San Jose, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 15/173 (2006.01); H04L 12/24 (2006.01); H04L 12/46 (2006.01); H04L 12/715 (2013.01); H04L 29/12 (2006.01);
U.S. Cl.
CPC ...
H04L 41/0823 (2013.01); H04L 12/4641 (2013.01); H04L 41/0806 (2013.01); H04L 41/0816 (2013.01); H04L 41/0886 (2013.01); H04L 45/04 (2013.01); H04L 61/2015 (2013.01);
Abstract

In an embodiment, an electronic digital data packet router performs receiving a DHCP initiation message on a particular interface among a plurality of network interfaces; modifying the DHCP initiation message by adding a particular DHCP option that signals a DHCP server to provide router configuration data, resulting in a modified DHCP initiation message; relaying the modified DHCP initiation message to the DHCP server; receiving, from the DHCP server, a DHCPOFFER message that comprises the particular DHCP option containing configuration data; configuring the router using the configuration data; relaying the DHCPOFFER message without the particular DHCP option on the particular interface toward another data packet router.


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