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:
Feb. 14, 2023
Filed:
Apr. 20, 2020
Huawei Technologies Co., Ltd., Shenzhen, CN;
HUAWEI TECHNOLOGIES CO., LTD., Shenzhen, CN;
Abstract
A traffic forwarding method includes determining, by a first network device, a first address resolution protocol (ARP) entry of the access device, where the first ARP entry is used to indicate a mapping relationship among a media access control (MAC) address, an Internet Protocol (IP) address, and an egress port, the egress port includes a standby egress port, and the first network device is connected to the protection link through the standby egress port, receiving traffic sent by a network side, determining whether a fault exists in the first multi-chassis link aggregation group (MC-LAG) link, and when the first network device determines that a fault exists in the first MC-LAG link, sending the traffic to the second network device through the protection link based on a standby egress port number in the first ARP entry, where the standby egress port number is used to indicate the standby egress port.