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Network element management method and system based on VXLAN (Virtual Extensible LAN) tunnel

A network element management system and network element management technology, applied in the transmission system, digital transmission system, electrical components, etc., can solve the problem that the IP bearer network and transmission network do not achieve route isolation, and cannot adapt to the cloud network management deployment environment, gateway Low network element management efficiency and other issues, to overcome security issues, improve flexibility, and simplify operation and maintenance

Active Publication Date: 2018-12-07
FENGHUO COMM SCI & TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] (1) The IP bearer network and transmission network have not achieved strict routing isolation
[0004] In the above solution, the management IP of the gateway network element is uniformly allocated by the IP bearer network. The IP bearer network is usually the operator's office network. Through the gateway network element as a springboard, users can access any public routers and servers in the IP bearer network. resulting in a more obvious security hole
[0005] (2) The management efficiency of gateway network elements is low
[0008] (3) Traditional tunneling technology cannot adapt to the diverse deployment environments of cloud-based network management
However, with network management cloudification becoming a major trend, issues such as the security of GRE tunnels and the incompatibility with NAT technology greatly limit its practical scenarios

Method used

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  • Network element management method and system based on VXLAN (Virtual Extensible LAN) tunnel
  • Network element management method and system based on VXLAN (Virtual Extensible LAN) tunnel
  • Network element management method and system based on VXLAN (Virtual Extensible LAN) tunnel

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Experimental program
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Embodiment 1

[0045] see figure 2 As shown, the embodiment of the present invention provides a network element management method based on a VXLAN tunnel, including the following steps:

[0046] S1, allocating management IP addresses for the network management server and gateway network elements, the management IP address allocation and bearer network IP address allocation are independent of each other;

[0047] S2, create a virtual gateway, configure the network management server and virtual gateway according to the management IP address, establish communication between the network management server and the virtual gateway, and transfer management information; the virtual gateway can be a transplanted version of the gateway program, or it can be supported by a third party The virtual gateway program of the VXLAN tunnel;

[0048] S3, configure the virtual gateway and the bearer network IP address of the gateway network element, establish a three-layer VXLAN tunnel between the virtual gatew...

Embodiment 2

[0053] On the basis of Embodiment 1, in step S2, an inter-process communication method or a loopback port communication method is adopted between the network management server and the virtual gateway.

[0054] see image 3 and 4 As shown, different from the traditional VXLAN tunnel, the communication interface between the virtual gateway and the gateway network element ( image 3 (b)) uses a three-layer VXLAN tunnel, the difference is as follows Figure 5 As shown, the encapsulation format of the VXLAN data packet in the three-layer VXLAN tunnel in step S3 is an outer Ethernet header, an outer IP header, an outer UDP header, a VXLAN header, an inner IP header and a payload. That is, the VXLAN packets in the Layer 3 VXLAN tunnel no longer contain the internal Ethernet header, so as to implement a Layer 3 VPN similar to a GRE tunnel.

[0055] see image 3 As shown, the gateway network element interface ( image 3 (c)) is a traditional management interface, the IP address of...

Embodiment 3

[0058] On the basis of Embodiment 1, when creating a virtual gateway in step S2, create a virtual gateway on the network management server to support centralized deployment; or deploy the network management server and the virtual gateway on different virtual machines respectively to support distributed deployment, It is especially suitable for typical application scenarios of cloud network management. The embodiment of the present invention introduces the networking mode of the virtual gateway. The virtual gateway supports centralized deployment and distributed deployment, which greatly improves the flexibility of network management deployment and overcomes the limitations of traditional deployment solutions.

[0059] After step S4, the following steps are also included: when the network management server shows that the gateway network element is out of management, it is judged whether the virtual gateway and the bearer network IP of the gateway network element can communicate ...

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PUM

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Abstract

The invention discloses a network element management method and system based on a VXLAN (Virtual Extensible LAN) tunnel, and relates to the technical field of network communication. Three layers of VXLAN tunnels are adopted in the invention; furthermore, management IP addresses are distributed to a network management server and a gateway network element in a unified manner; management IP address distribution and bearer network IP address distribution are mutually independent; therefore, an IP bearer network and a transmission network are well isolated; the security problem due to the fact thatstrict routing isolation between the IP bearer network and the transmission network is not done in the traditional scheme is solved; simultaneously, operation and maintenance are simplified; mutuallyindependent gateway network element routing domains between the gateway network element and each non-gateway network element are created according to the management IP addresses; furthermore, management information is transmitted; and thus, the network element management efficiency is increased.

Description

technical field [0001] The present invention relates to the technical field of network communication, in particular to a network element management method and system based on a VXLAN tunnel. Background technique [0002] Such as figure 1 As shown, the traditional network element management scheme is as follows: each gateway network element has a unique management IP, and the network elements form independent routing domains through management channels, and learn their own routes through dynamic routing protocols; network management servers are deployed in The central computer room and the gateway network element form a three-layer reachability through the intermediate IP bearer network, and all network management data are forwarded centrally through the gateway network element; the IP bearer network and the transmission network are mutually isolated routing domains. The problems in this network element management solution are as follows: [0003] (1) The IP bearer network ...

Claims

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Application Information

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IPC IPC(8): H04L12/46H04L29/12G06F9/455H04L12/24
CPCH04L12/4633H04L12/4641H04L41/0803G06F9/45533H04L61/5007
Inventor 李和松
Owner FENGHUO COMM SCI & TECH CO LTD
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