Title:
METHOD AND APPARATUS FOR PREVENTING TRAFFIC BYPASSING
Document Type and Number:
WIPO Patent Application WO/2021/051935
Kind Code:
A1
Abstract:
Provided in the present disclosure are a method and apparatus for preventing traffic bypassing. The method for preventing traffic bypassing is applied to a gateway of an EVPN and comprises: notifying other gateways of an EVPN MAC/IP notification routing of a first access device within a first access ring in which a current gateway is located, layer two forwarding information and layer three forwarding information of the first access device being carried in the routing; receiving an EVPN MAC/IP notification routing of a second access device within a second access ring that is notified by a second gateway within the second access ring, and according to layer two forwarding information and layer three forwarding information of the second access device that is carried in the routing, generating a detailed routing of the second access device; and when forwarding a message to the second access device, performing layer two encapsulation and layer three encapsulation on the message according to the detailed routing of the second access device, and forwarding the encapsulated message to the second gateway. The technical solution of the present disclosure may prevent traffic bypassing when accessing ring communication across an Ethernet virtual private network, and improve transmission efficiency.
Inventors:
ZHANG YUETONG (CN)
Application Number:
PCT/CN2020/099022
Publication Date:
March 25, 2021
Filing Date:
June 29, 2020
Export Citation:
Assignee:
NANJING ZHONGXING SOFTWARE CO LTD (CN)
International Classes:
H04L45/50; H04L12/46
Foreign References:
| CN107124347A | 2017-09-01 | |||
| CN109729010A | 2019-05-07 | |||
| CN107342941A | 2017-11-10 | |||
| CN108924052A | 2018-11-30 | |||
| CN108322376A | 2018-07-24 |
Other References:
See also references of EP 4020903A4
Attorney, Agent or Firm:
KANGXIN PARTNERS P.C. (CN)
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