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Method and system for controlling gateway mode, SDN controller and access equipment

A technology of access equipment and gateway mode, which is applied in the Internet field, can solve the problems of inability to guarantee EVPN access equipment and affect data forwarding performance, and achieve the effect of improving data forwarding performance and guaranteeing the forwarding process

Active Publication Date: 2018-11-23
XINHUASAN INFORMATION TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, when the EVPN access device works in gateway mode, it is necessary to add gateway-related configurations, such as VPN (Virtual Private Network, virtual private network) configuration information, VSI-IF (Virtual Switch Interface, virtual switch interface) and gateway IP address, etc., which will occupy The EVPN access device has limited ACL (Access Control List, access control list) resources. If there are many virtual machines online in EVPN, it cannot be guaranteed that the EVPN access device has enough resources to store forwarding entries, which will affect the data forwarding performance.

Method used

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  • Method and system for controlling gateway mode, SDN controller and access equipment
  • Method and system for controlling gateway mode, SDN controller and access equipment
  • Method and system for controlling gateway mode, SDN controller and access equipment

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Embodiment Construction

[0032] In order to make the purpose, technical solutions and advantages of the embodiments of the present disclosure clearer, the technical solutions of the present disclosure will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present disclosure, not all of them. implementation. Based on the implementation manners in the present disclosure, all other implementation manners obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of the present disclosure.

[0033] The method and device for controlling the gateway mode provided by the embodiments of the present disclosure can be applied but not limited to the EVPN networking structure, figure 1 A schematic diagram of an EVPN network structure is shown, wherein a VTEP (VXLAN Tunnel End Point, VXLAN tunnel end point) is an edge device of the EVPN. figure 1 VTEP...

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Abstract

The invention provides a method and system for controlling a gateway mode, an SDN controller and access equipment, and relates to the technical field of the internet. The SDN controller is used for monitoring upper limit alarm information and alarm release information of access equipment; If the upper limit alarm information is received, the three-layer forwarding configuration information of a virtual router on the access equipment is transferred to a border gateway, so that the access equipment is switched from a gateway mode to a non-gateway mode; and if the alarm release information is received, the three-layer forwarding configuration information of the virtual router corresponding to the access equipment is restored from the border gateway to the access equipment so as to enable theaccess equipment to switch from the non-gateway mode to the gateway mode. Through the above technology, the forwarding process of three-layer cross-network segment traffic is effectively guaranteed, and the overall data forwarding performance is improved.

Description

technical field [0001] The present disclosure relates to the technical field of the Internet, and in particular to a method and system for controlling a gateway mode, an SDN controller and an access device. Background technique [0002] EVPN (Ethernet Virtual Private Network) is a Layer 2 VPN technology. The control plane uses MP-BGP (MultiProtocol-Border Gateway Protocol, a multi-protocol compatible border gateway protocol) to advertise EVPN routing information, and the data plane uses VXLAN (Virtual eXtensible LAN, extensible virtual local area network) encapsulation mode forwards packets. When the tenant's physical sites are scattered in different locations, EVPN can provide Layer 2 interconnection for the same subnet of the same tenant; at the same time, it can provide Layer 3 interconnection for different subnets of the same tenant through the EVPN gateway, and provide tenants with external networks. Three layers of interconnection. [0003] The EVPN networking struct...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/713H04L12/721H04L12/741H04L12/66H04L12/24H04L45/586H04L45/74
CPCH04L12/66H04L41/0631H04L41/0803H04L45/38H04L45/586H04L45/745
Inventor 樊超王海
Owner XINHUASAN INFORMATION TECH CO LTD
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