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:
Oct. 28, 2014
Filed:
Aug. 03, 2011
Sarang Dharmapurikar, Santa Clara, CA (US);
Mahesh Maddury, San Jose, CA (US);
Francisco Matus, Saratoga, CA (US);
Sarang Dharmapurikar, Santa Clara, CA (US);
Mahesh Maddury, San Jose, CA (US);
Francisco Matus, Saratoga, CA (US);
Cisco Technology, Inc., San Jose, CA (US);
Abstract
In one embodiment, a method includes receiving a packet at an interface at a network device having a plurality of interfaces connected to a plurality of links forming a bundle, performing a Reverse Path Forwarding (RPF) check on the received packet, and forwarding the packet if it passes the RPF check. The RPF check includes a lookup in an RPF table having a plurality of entries for the bundle, each of the entries including the bundle and one of the links in the bundle, and verification that the interface receiving the packet is connected to one of the links in the bundle identified in the lookup. An apparatus is also disclosed.