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:
Jan. 03, 2017
Filed:
Jul. 03, 2013
Telefonaktiebolaget L M Ericsson (Publ), Stockholm, SE;
Namrata Limaye, Fremont, CA (US);
Juan Lu, Sunnyvale, CA (US);
TELEFONAKTIEBOLAGET L M ERICSSON (PUBL), Stockholm, SE;
Abstract
According to one embodiment, a method for allocating Internet Protocol (IP) addresses includes receiving, while serving as an active inter-chassis redundancy (ICR) device, a plurality of IP address requests from the third network device for the plurality of client devices. The method further includes responsive to determining a second network device is also serving as the active ICR device, allocating to a client device an IP address selected from a first portion of the commonly shared plurality of IP addresses and not a second portion, wherein the first portion is allocatable only by the first network device while the first network device and the second network device are both serving as active ICR network devices in the ICR system, and wherein the second portion is allocatable only by the second network device while the first and second network devices are both serving as active ICR devices.