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. 30, 2014
Filed:
Jun. 18, 2012
Bin Huang, Shenzhen, CN;
Zhiyong Yan, Xi'an, CN;
Bin Huang, Shenzhen, CN;
Zhiyong Yan, Xi'an, CN;
Huawei Technologies Co., Ltd., Shenzhen, CN;
Abstract
The present invention relate to a packet processing method, an access device, and a communication system. The method includes: receiving, by an access device, a multicast packet from a network side via a first network port of the access device; identifying, by the access device, a protocol type of the multicast packet; if identifying that the multicast packet is a virtual router redundancy protocol packet, sending the virtual router redundancy protocol packet via a second network port of the access device to the network side according to a snooping port list used for forwarding the virtual router redundancy protocol packet; and if identifying that the multicast packet is a non-virtual router redundancy protocol packet, sending the non-virtual router redundancy protocol packet via a user port of the access device to a user side.