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. 08, 2009
Filed:
Jul. 28, 2006
Anand Agarwal, Kundalahalli, IN;
Krishna Sundaresan, Indiranagar, IN;
Anshul Tanwar, Adugodi, IN;
Indrajanti Sukiman, Sunnyvale, CA (US);
Ralph Droms, Westford, MA (US);
Richard Johnson, Santa Barbara, CA (US);
Anand Agarwal, Kundalahalli, IN;
Krishna Sundaresan, Indiranagar, IN;
Anshul Tanwar, Adugodi, IN;
Indrajanti Sukiman, Sunnyvale, CA (US);
Ralph Droms, Westford, MA (US);
Richard Johnson, Santa Barbara, CA (US);
Cisco Technology, Inc., San Jose, CA (US);
Abstract
A technique involves exchanging DHCP relay agent information with a DHCP server. In particular, the technique involves receiving a DHCP message en route from a DHCP client to the DHCP server. The DHCP message includes (i) a non-option portion having a client identifier identifying the DHCP client and (ii) an option portion having first relay agent information added to the DHCP message by a first relay agent. The technique further involves modifying the option portion of the DHCP message to simultaneously include both the first relay agent information added by the first relay agent and second relay agent information from a second relay agent. The technique further involves sending the DHCP message with the modified option portion to the DHCP server. Accordingly, the DHCP server is capable of receiving relay agent information from multiple relay agents and assigning an address to the DHCP client based on this input.