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:
Jun. 11, 2019
Filed:
Oct. 18, 2016
Cisco Technology, Inc., San Jose, CA (US);
Ali Sajassi, San Ramon, CA (US);
Dezhong Cai, San Jose, CA (US);
Cisco Technology, Inc., San Jose, CA (US);
Abstract
In one embodiment, a method is described. The method includes receiving a network communication at a network device of a redundancy group. The redundancy group comprises a plurality of network devices, and the plurality of network devices are addressed in a first network using an anycast address. The method further includes, if the network communication is received from the first network, forwarding the network communication into a second network. If the network communication is received from the second network, the method determines whether to forward the network communication into the first network based on a status of the network device in the redundancy group, and a result of a filtering operation.