WO2017000858A1 - Network element device and method for opening data communication network - Google Patents

Network element device and method for opening data communication network Download PDF

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Publication number
WO2017000858A1
WO2017000858A1 PCT/CN2016/087299 CN2016087299W WO2017000858A1 WO 2017000858 A1 WO2017000858 A1 WO 2017000858A1 CN 2016087299 W CN2016087299 W CN 2016087299W WO 2017000858 A1 WO2017000858 A1 WO 2017000858A1
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Prior art keywords
network element
network
dcn
neighbor
protocol
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PCT/CN2016/087299
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French (fr)
Chinese (zh)
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陈栋
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中兴通讯股份有限公司
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Publication of WO2017000858A1 publication Critical patent/WO2017000858A1/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/08—Configuration management of networks or network elements
    • H04L41/0803—Configuration setting
    • H04L41/0806—Configuration setting for initial configuration or provisioning, e.g. plug-and-play
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks

Definitions

  • This application relates to, but is not limited to, the field of communication technology.
  • the Data Communication Network is an operation, management, and maintenance (OAM) between the network management server and the NE device, and between the NE device and the NE device. ) The channel of information.
  • the DCN is used to implement remote management and maintenance of network elements by the network management server.
  • the DCN can effectively manage and maintain the communication network element devices distributed throughout the network to ensure that the network is in a state of high availability, high maintainability, and operational status.
  • IP Internet Protocol
  • VLAN virtual local area network
  • This paper proposes a method for the opening of network element equipment and data communication network to solve the technical problems of low efficiency and high cost of data communication network.
  • a method for opening a data communication network includes:
  • the network element device receives the neighbor discovery command sent by the network management device, and triggers the link layer discovery protocol LLDP protocol to learn the node information of the neighbor network element according to the neighbor discovery command.
  • the network element device runs an open shortest path priority protocol OSPF routing protocol to establish data communication.
  • OSPF routing protocol to establish data communication.
  • the network element device sends the node information of the neighboring network element and the DCN network routing information to the network management device, so that the network management device supervises the neighbor network element and performs the opening of the data communication network.
  • the network element device runs the link layer discovery protocol LLDP protocol according to the neighbor discovery command, and learns node information of the neighbor network element, including:
  • the network element device generates the LLDP protocol according to the neighbor discovery command, and sends the LLDP protocol to each neighboring network element, so that each neighboring network element feeds back the neighboring network element according to the LLDP protocol. Node information;
  • the network element device receives and stores node information of the neighboring network element fed back by each neighboring network element.
  • the node information of the neighboring network element includes: an Internet Protocol IP address, a media access control MAC address, and a virtual local area network (VLAN) VLAN information of the neighboring network element.
  • IP Internet Protocol
  • media access control MAC address a media access control MAC address
  • VLAN virtual local area network
  • the network element device runs an open shortest path priority protocol OSPF routing protocol, and establishes a data communication network DCN network routing, including:
  • the network element device configures a corresponding DCN interface for each physical port in the power-on state of the network element device
  • the network element device is configured to generate a corresponding number of loopback interfaces according to the number of the DCN interfaces, and calculate an IPV4 address of each of the loopback interfaces.
  • the network element device allocates an IPV4 address of a loopback interface to each of the DCN interfaces, and uses an IPV4 address of the loopback interface as an IPV4 address corresponding to the DCN interface;
  • the network element device creates an OSPF instance, adds the IPV4 address of the DCN interface to the OSPF instance, performs route calculation, and obtains the DCN network-wide route.
  • the network element device calculates an IPV4 address of each loopback interface, including:
  • the network element device calculates IPV4 address information of each loopback interface according to the NEID information of the network element identifier of the network element device.
  • a network element device including:
  • the neighboring network element node information learning module is configured to: receive a neighbor discovery command sent by the network management device, and trigger the link layer discovery protocol LLDP protocol to learn the node information of the neighbor network element according to the neighbor discovery command;
  • the DCN network-wide routing establishment module is configured to: run an open shortest path first protocol OSPF routing protocol, and establish a data communication network DCN network routing;
  • the information providing module is configured to: send, to the network management device, the neighbor network element node information obtained by the neighboring network element node information learning module, and the DCN full network routing information established by the DCN network-wide route establishment module,
  • the network management device is configured to supervise the neighboring network element to perform the opening of the data communication network.
  • the neighbor network element node information learning module includes:
  • the LLDP protocol generating unit is configured to: generate the LLDP protocol according to the neighbor discovery command, and send the LLDP protocol to each neighboring network element, so that each neighboring network element feeds back the neighbor according to the LLDP protocol. Node information of the network element;
  • the node information receiving unit is configured to: receive and save node information of the neighboring network element fed back by each neighboring network element.
  • the node information of the neighboring network element includes: an Internet Protocol IP address, a media access control MAC address, and a virtual local area network (VLAN) VLAN information of the neighboring network element.
  • IP Internet Protocol
  • media access control MAC address a media access control MAC address
  • VLAN virtual local area network
  • the DCN network-wide route establishment module includes:
  • the DCN interface configuration unit is configured to: configure a corresponding DCN interface for each physical port in the power-on state of the network element device;
  • the loopback interface configuration unit is configured to: generate a loopback interface corresponding to the number of the DCN interfaces configured by the DCN interface configuration unit, and calculate an IPV4 address of each loopback interface;
  • An IPV4 address allocation unit is configured to allocate, for each of the DCN interfaces configured by the DCN interface configuration unit, an IPV4 address of the loopback interface calculated by the loopback interface configuration unit, and the IPV4 of the loopback interface The address is the IPV4 address corresponding to the DCN interface;
  • the DCN network-wide route calculation unit is configured to: create an OSPF instance, and use the DCN interface
  • the IPV4 address is added to the OSPF instance to perform route calculation, and the DCN network-wide route is obtained.
  • the loopback interface configuration unit is configured to calculate an IPV4 address of each of the loopback interfaces, including: calculating, according to the NEID information of the network element identifier of the network element device, IPV4 address information of the loopback interface.
  • the network element device and the data communication network are provided by the network element device, and the network element device receives the neighbor discovery command sent by the network management device, triggers the operation of the LLDP protocol according to the neighbor discovery command, learns the neighbor network element node information, and runs the OSPF route.
  • the protocol establishes a DCN network-wide route, so as to send the node information of the neighboring network element and the DCN network-wide routing information to the network management device.
  • the network management device is configured to initialize the neighbor network element without manually going to the site. It can supervise neighbor network elements and realize the opening of data communication network. Compared with the opening mode of data communication network in related technologies, it simplifies the opening process of data communication network, improves the opening efficiency of data communication network, and reduces the opening of data communication network. cost.
  • FIG. 1 is a schematic flowchart of a method for opening a data communication network according to an embodiment of the present invention
  • FIG. 2 is a schematic diagram of a format of a neighbor discovery instruction in a method for opening a data communication network according to an embodiment of the present invention
  • FIG. 3 is a schematic flowchart diagram of another method for opening a data communication network according to an embodiment of the present disclosure
  • FIG. 4 is a schematic diagram of a format of an LLDP protocol in a method for opening a data communication network according to an embodiment of the present invention
  • FIG. 5 is a schematic flowchart diagram of still another method for opening a data communication network according to an embodiment of the present disclosure
  • FIG. 6 is a schematic structural diagram of a network element device according to an embodiment of the present disclosure.
  • FIG. 7 is a schematic structural diagram of a neighbor network element node information learning module in the network element device provided by the embodiment shown in FIG. 6;
  • FIG. 8 is a diagram of a DCN network-wide route establishment module in the network element device provided in the embodiment shown in FIG. Schematic diagram.
  • FIG. 1 is a schematic flowchart diagram of a method for opening a data communication network according to an embodiment of the present invention.
  • the network management device needs to know the node information of the newly added network element device by using the managed network element device adjacent to the newly added network element device, and The network management device can implement the supervision of the newly added network element device by calculating the routing information of the entire network element of the DCN, and based on the information of the node information of the newly added network element device and the calculated routing information of the entire network of the DCN.
  • the network element device described in the following is a network element device that is adjacent to the newly added network element device and has been managed by the network management device in the data communication network.
  • the method for opening a data communication network provided in this embodiment may include the following steps:
  • Step 10 The network element device receives the neighbor discovery command sent by the network management device, and triggers the Link Layer Discovery Protocol (LLDP) protocol to learn the node information of the neighbor network element according to the neighbor discovery command.
  • LLDP Link Layer Discovery Protocol
  • the format of the neighbor discovery command is as shown in FIG. 2 , which is a schematic diagram of a format of a neighbor discovery command in the method for opening a data communication network according to an embodiment of the present invention.
  • the node information of the neighboring network element in this embodiment includes: an IP address of the neighboring network element, and a media access control (Medium Access Control, abbreviated as: MAC address, VLAN information).
  • MAC address Media Access Control
  • VLAN information Media Access Control
  • Step 20 The network element device runs an Open Shortest Path First (OSPF) routing protocol, and establishes a DCN network-wide route.
  • OSPF Open Shortest Path First
  • the first OSPF routing protocol when the network element device has previously learned the IPV4 address of the DCN interface of the other neighboring network element, the first OSPF routing protocol also carries the neighbor network element that has been learned by itself. IPV4 address information of the DCN interface, so that neighbor NEs can implement DCN network-wide route calculation.
  • Step 30 The network element device sends the node information of the neighboring network element and the DCN network routing information to the network management device, so that the network management device supervises the neighbor network element and performs the opening of the data communication network.
  • the network management device learns the node information of the neighboring network element and the DCN network routing information, it indicates that the neighboring network element is connected to the network management device at Layers 2 and 3 of the network. At this point, the network management device can supervise the neighbor network element to implement the opening of the data communication network.
  • step 10 in this embodiment may include the following steps, that is, steps 11 to 12:
  • Step 11 The network element device generates the LLDP protocol according to the neighbor discovery command, and sends the LLDP protocol to each neighboring network element, so that each neighboring network element feeds back the node information of the neighbor webpage according to the LLDP protocol.
  • each neighboring network element feeds back to the network element device an LLDP protocol carrying its own node information, and the network element device receives and parses each The LLDP protocol fed back by the neighboring NEs can obtain the node information of each neighboring NE.
  • the LLDP protocol format in this embodiment is shown in FIG. 4, which is a schematic diagram of a format of an LLDP protocol in a method for opening a data communication network according to an embodiment of the present invention, and the FCS in FIG. 4 is a centralized control system (Focus Control System) ).
  • Step 12 The network element device receives and saves node information fed back by each neighboring network element.
  • step 20 in this embodiment may include the following steps, that is, steps 21 to 24:
  • Step 21 The network element device configures a corresponding DCN interface for each physical port in the power-on state of the network device.
  • the DCN interfaces configured for different physical ports in the power-on state are distinguished by different names, that is, the names are carried by different identification numbers.
  • the name of the DCN interface corresponding to the physical port in the UP state is DCN_ETH8563, and the number of the DCN interface corresponding to the physical port in the UP state cannot be carried. "8563" identification number.
  • Step 22 The network element device sets a corresponding number of loopback interfaces according to the number of DCN interfaces, and calculates an IPV4 address of each loopback interface.
  • the network element device calculates the IPV4 address of each loopback interface.
  • the network element device calculates each network element according to its own network element identification (NEID) information.
  • IPV4 address information of the loopback interface The IPV4 address of each loopback interface is different from the IPV4 address of other loopback interfaces.
  • Step 23 The network element device allocates an IPV4 address of the loopback interface to each DCN interface, and uses the IPV4 address of the loopback interface as the IPV4 address corresponding to the DCN interface.
  • Step 24 The network element device creates an OSPF instance, adds the IPV4 address of the DCN interface to the OSPF instance, performs route calculation, and obtains the DCN network route.
  • step 24 in this embodiment may be: the network element device generates a first OSPF routing protocol, where the first OSPF routing protocol carries an IPV4 address of each DCN interface, and the first OSPF routing is performed.
  • the protocol is sent to the neighboring network element, so that the neighboring network element generates the IPV4 address information of each DCN interface carrying its own and the IPV4 address of each DCN interface of the learned other neighboring nodes according to the first OSPF routing protocol.
  • the second OSPF routing protocol feeds the generated second OSPF routing protocol to the network element device; the network element device calculates the DCN network according to the address information of the DCN interface IPV4 and the second OSPF routing protocol fed back by the neighboring network element. routing.
  • the network element device in the embodiment of the present invention and the optional implementation manner may be a network element directly connected to the network management device through a Transmission Control Protocol (TCP), that is, the access network element is also called
  • TCP Transmission Control Protocol
  • the gateway network element may also be a non-access network element connected to the access network element through an optical fiber.
  • the network element device receives the neighbor discovery command sent by the network management device, triggers the running of the LLDP protocol according to the neighbor discovery command, and learns the node information of the neighbor network element, and Run the OSPF routing protocol to establish the DCN network-wide route, and send the node information of the neighboring NEs and the DCN network routing information to the network management device.
  • the embodiments of the present invention can simplify the configuration of the neighboring network element without manually entering the site, and the network management device can supervise the neighboring network element to implement the opening of the data communication network, which is simplified compared with the data communication network in the related art.
  • the opening process of the data communication network improves the opening efficiency of the data communication network and reduces the opening cost of the data communication network.
  • FIG. 6 is a schematic structural diagram of a network element device according to an embodiment of the present invention.
  • the network management device needs to know the node information of the newly added network element device by using the managed network element device adjacent to the newly added network element device, and The network management device can implement the supervision of the newly added network element device by calculating the routing information of the entire network element of the DCN, and based on the information of the node information of the newly added network element device and the calculated routing information of the entire network of the DCN.
  • the network element device described in the following is a network element device that is adjacent to the newly added network element device and has been managed by the network management device in the data communication network.
  • the network element device 100 provided in this embodiment may include: a neighboring network element node information learning module 110, a DCN full network route establishing module 120, and an information providing module 130.
  • the neighboring network element node information learning module 110 is configured to: receive a neighbor discovery command sent by the network management device, and trigger the LLDP protocol to learn the node information of the neighbor network element according to the neighbor discovery command.
  • the DCN network-wide route establishing module 120 is configured to: run an OSPF routing protocol, and establish a DCN network-wide route.
  • the information providing module 130 is configured to: send, to the network management device, the node information of the neighboring network element obtained by the neighboring network element node information learning module 110 and the DCN network routing information established by the DCN network-wide route establishing module 120, so that the network management equipment supervision office The neighboring network element is described, and the opening of the data communication network is performed.
  • the neighbor discovery instruction format in this embodiment may also refer to the neighbor discovery instruction shown in FIG. 2 .
  • FIG. 7 is a schematic structural diagram of a neighboring network element node information learning module in the network element device provided in the embodiment shown in FIG. 6.
  • the neighbor network element node information learning is performed.
  • the module 110 may include an LLDP protocol generating unit 111 and a node information receiving unit 112.
  • the LLDP protocol generating unit 111 is configured to: generate an LLDP association according to the neighbor discovery command.
  • the LLDP protocol is sent to each neighboring network element, so that each neighboring network element feeds back the node information of the neighboring network element according to the LLDP protocol.
  • the node information receiving unit 112 is configured to: receive and save node information of the neighboring network element fed back by each neighboring network element.
  • each neighboring network element after receiving the LLDP protocol sent by the network element device 100, each neighboring network element feeds back to the network element device 100 an LLDP protocol carrying its own node information, so that the network element device 100 can receive and parse each The LLDP protocol fed back by the neighboring NEs can obtain the node information of each neighboring NE.
  • the LLDP protocol format in this embodiment can also refer to the LLDP protocol shown in FIG. 4.
  • the node information of the neighboring network element in this embodiment may also include: an IP address, a MAC address, and VLAN information of the neighboring network element.
  • FIG. 8 is a schematic structural diagram of a DCN full-network route establishment module in the network element device provided in the embodiment shown in FIG. 6.
  • the DCN network-wide route establishing module 120 may include: a DCN interface configuration unit 121, a loopback interface configuration unit 122, an IPV4 address allocation unit 123, and a DCN network-wide route calculation unit 124.
  • the DCN interface configuration unit 121 is configured to: configure a corresponding DCN interface for each physical port in the UP state of the network element device.
  • the loopback interface configuration unit 122 is configured to generate a corresponding number of loopback interfaces according to the number of DCN interfaces configured by the DCN interface configuration unit 121, and calculate an IPV4 address of each loopback interface.
  • the IPV4 address allocation unit 123 is configured to allocate, for each DCN interface configured by the DCN interface configuration unit 121, an IPV4 address of the loopback interface calculated by the loopback interface configuration unit 122, and use the IPV4 address of the loopback interface as the corresponding DCN. IPV4 address of the interface.
  • the DCN network-wide route calculation unit 124 is configured to: create an OSPF instance, add the IPV4 address of the DCN interface to the OSPF instance, perform route calculation, and obtain a DCN network-wide route.
  • the DCN interfaces configured for different physical ports in the UP state are distinguished by different names, that is, each DCN interface configured by carrying different identification numbers in the name, for example, a certain UP state.
  • the name of the DCN interface corresponding to the physical port is DCN_ETH8563, where "8563" is the identification number, and other physical interfaces in the UP state.
  • the ID of the "8563" cannot be carried in the DCN interface name corresponding to the port.
  • the implementation of the loopback interface configuration unit 122 may be: calculating the IPV4 address information of each loopback interface according to the network element identifier (NEID) information of the network element device. .
  • the IPV4 address of each loopback interface is different from the IPV4 address of other loopback interfaces.
  • the implementation manner of the DCN network-wide route calculation unit 124 may be: generating a first OSPF routing protocol, where the first OSPF routing protocol carries an IPV4 address of each DCN interface. Sending the first OSPF routing protocol to the neighboring network element, so that the neighboring network element generates IPV4 address information of each DCN interface carrying its own and other learned neighbor nodes according to the first OSPF routing protocol.
  • the second OSPF routing protocol of the IPV4 address of the DCN interface, and the generated second OSPF routing protocol is fed back to the network element device 100; the network element device 100 feeds back the IPV4 address information of the DCN interface and the feedback of the neighboring network element.
  • the second OSPF routing protocol calculates the DCN network-wide route.
  • the first OSPF routing protocol when the network element device 100 has previously learned the IPV4 address of the DCN interface of some other neighboring network elements, the first OSPF routing protocol also carries the DCN interface of the neighboring network element that has been learned by itself. IPV4 address information, so that neighbor NEs can implement DCN network-wide route calculation.
  • the network management device learns the node information of the neighboring network element and the DCN network routing information, it indicates that the neighbor network element and the network management device are connected in Layer 2 and Layer 3 of the network. At this time, the network management device can supervise the neighbor network element, thereby implementing the opening of the data communication network.
  • the network element device 100 in the embodiment of the present invention may be a network element directly connected to the network management device via the TCP, that is, the access network element may also be referred to as a gateway network element, or may be passed through with the access network element.
  • the network element device of the embodiment of the present invention receives the neighbor discovery command sent by the network management device through the network element device 100, triggers the operation of the LLDP protocol according to the neighbor discovery command, learns the node information of the neighbor network element, and runs the OSPF routing protocol to establish the DCN
  • the network routing device sends the node information of the neighboring network element and the DCN network routing information to the network management device.
  • the network management device can monitor the neighbor network element by manually configuring the neighbor network element without manually going to the site. To realize the opening of the data communication network, compared with the opening method of the data communication network in the related technology, simplifying The opening process of the data communication network improves the opening efficiency of the data communication network and reduces the opening cost of the data communication network.
  • all or part of the steps of the above embodiments may also be implemented by using an integrated circuit. These steps may be separately fabricated into individual integrated circuit modules, or multiple modules or steps may be fabricated into a single integrated circuit module. achieve.
  • the devices/function modules/functional units in the above embodiments may be implemented by a general-purpose computing device, which may be centralized on a single computing device or distributed over a network of multiple computing devices.
  • the device/function module/functional unit in the above embodiment When the device/function module/functional unit in the above embodiment is implemented in the form of a software function module and sold or used as a stand-alone product, it can be stored in a computer readable storage medium.
  • the above mentioned computer readable storage medium may be a read only memory, a magnetic disk or an optical disk or the like.
  • the network element device receives the neighbor discovery command sent by the network management device, triggers the operation of the LLDP protocol according to the neighbor discovery command, learns the neighbor network element node information, and runs the OSPF routing protocol to establish a DCN network route, so as to send the network route to the network management device.
  • the node information of the neighboring network element and the DCN network-wide routing information; the embodiment of the present invention enables the network management device to supervise the neighboring network element and implement the opening of the data communication network by manually configuring the neighboring network element without manual intervention.
  • the opening process of the data communication network is simplified, the opening efficiency of the data communication network is improved, and the opening cost of the data communication network is reduced.

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Abstract

Provided are a network element device and a method for opening a data communication network. The method includes that: the network element device receives a neighbor discovery instruction sent by a network management device, triggers the running of an LLDP protocol according to the neighbor discovery instruction, and learns the node information of neighbor network elements; the network element device runs an OSPF routing protocol, and establishes a DCN whole network routing; the network element device sends the node information of the neighbor network elements and the DCN whole network routing information to the network management device so as to make the network management device supervise the neighbor network elements and open the data communication network.

Description

网元设备及数据通信网络开通的方法Method for opening network element device and data communication network 技术领域Technical field
本申请涉及但不限于通信技术领域。This application relates to, but is not limited to, the field of communication technology.
背景技术Background technique
数据通信网络(Data Communication Network，简称为：DCN)是一种提供网管服务器与网元设备之间、网元设备与网元设备之间操作、管理、维护(Operation Administration and Maintenance，简称为：OAM)信息的通道。该DCN用以实现网管服务器对网元的远程管理与维护。通过DCN对分布在各处的通信网元设备进行有效管理和维护，可以保证网络处在高可用性、高可维护性和可运营的状态。The Data Communication Network (DCN) is an operation, management, and maintenance (OAM) between the network management server and the NE device, and between the NE device and the NE device. ) The channel of information. The DCN is used to implement remote management and maintenance of network elements by the network management server. The DCN can effectively manage and maintain the communication network element devices distributed throughout the network to ensure that the network is in a state of high availability, high maintainability, and operational status.
在开发过程中发现，DCN中相关业务的开通需要开通人员到现场为每一个网元设备进行初始化配置，主要配置互联网协议(Internet Protocol，简称为：IP)地址、网管通道虚拟局域网(Virtual Local Area Network，简称为：VLAN)信息等，初始化配置完成之后网管服务器才能对相应的网元设备进行监管。然而，由于实际应用中，DCN中的网元设备分布区域非常离散，相关技术中提供的上述开通方式效率低下，并且成本高。During the development process, it is found that the opening of related services in the DCN requires the provision of personnel to the site for initial configuration of each network element device. The Internet Protocol (IP) address and the network management channel virtual local area network (Virtual Local Area) are mainly configured. Network, referred to as: VLAN) information, after the initial configuration is complete, the network management server can supervise the corresponding network element device. However, due to the fact that the distribution area of the network element device in the DCN is very discrete, the above-mentioned provisioning mode provided in the related art is inefficient and high in cost.
发明内容Summary of the invention
以下是对本文详细描述的主题的概述。本概述并非是为了限制权利要求的保护范围。The following is an overview of the topics detailed in this document. This Summary is not intended to limit the scope of the claims.
本文提出一种网元设备及数据通信网络开通的方法，以解决数据通信网络开通效率低下，成本高的技术问题。This paper proposes a method for the opening of network element equipment and data communication network to solve the technical problems of low efficiency and high cost of data communication network.
一种数据通信网络开通的方法，包括：A method for opening a data communication network includes:
网元设备接收网管设备发送的邻居发现指令，根据所述邻居发现指令触发运行链路层发现协议LLDP协议，学习邻居网元的节点信息；The network element device receives the neighbor discovery command sent by the network management device, and triggers the link layer discovery protocol LLDP protocol to learn the node information of the neighbor network element according to the neighbor discovery command.
所述网元设备运行开放最短路径优先协议OSPF路由协议，建立数据通信 网络DCN全网路由；The network element device runs an open shortest path priority protocol OSPF routing protocol to establish data communication. Network DCN network routing;
所述网元设备向所述网管设备发送所述邻居网元的节点信息和DCN全网路由信息，以使所述网管设备监管所述邻居网元，执行数据通信网络的开通。The network element device sends the node information of the neighboring network element and the DCN network routing information to the network management device, so that the network management device supervises the neighbor network element and performs the opening of the data communication network.
可选地，所述的数据通信网络开通的方法中，所述网元设备根据所述邻居发现指令运行链路层发现协议LLDP协议，学习邻居网元的节点信息，包括：Optionally, in the method for the data communication network to be opened, the network element device runs the link layer discovery protocol LLDP protocol according to the neighbor discovery command, and learns node information of the neighbor network element, including:
所述网元设备根据所述邻居发现指令生成所述LLDP协议，将所述LLDP协议发送给每个邻居网元，以使所述每个邻居网元根据所述LLDP协议反馈本邻居网元的节点信息；The network element device generates the LLDP protocol according to the neighbor discovery command, and sends the LLDP protocol to each neighboring network element, so that each neighboring network element feeds back the neighboring network element according to the LLDP protocol. Node information;
所述网元设备接收并保存所述每个邻居网元反馈的本邻居网元的节点信息。The network element device receives and stores node information of the neighboring network element fed back by each neighboring network element.
可选地，所述的数据通信网络开通的方法中，所述邻居网元的节点信息包括：所述邻居网元的互联网协议IP地址、媒体访问控制MAC地址、虚拟局域网VLAN信息。Optionally, in the method for the data communication network to be opened, the node information of the neighboring network element includes: an Internet Protocol IP address, a media access control MAC address, and a virtual local area network (VLAN) VLAN information of the neighboring network element.
可选地，所述的数据通信网络开通的方法中，所述网元设备运行开放最短路径优先协议OSPF路由协议，建立数据通信网络DCN全网路由，包括：Optionally, in the method for the data communication network to be opened, the network element device runs an open shortest path priority protocol OSPF routing protocol, and establishes a data communication network DCN network routing, including:
所述网元设备为所述网元设备中处于上电状态的每个物理端口配置相应的DCN接口；The network element device configures a corresponding DCN interface for each physical port in the power-on state of the network element device;
所述网元设备根据所述DCN接口的数量，设置生成相应个数的环回接口，计算每个所述环回接口的IPV4地址；The network element device is configured to generate a corresponding number of loopback interfaces according to the number of the DCN interfaces, and calculate an IPV4 address of each of the loopback interfaces.
所述网元设备为每个所述DCN接口分配一个环回接口的IPV4地址，以所述环回接口的IPV4地址作为对应DCN接口的IPV4地址；The network element device allocates an IPV4 address of a loopback interface to each of the DCN interfaces, and uses an IPV4 address of the loopback interface as an IPV4 address corresponding to the DCN interface;
所述网元设备创建OSPF实例，将所述DCN接口的IPV4地址加入所述OSPF实例中，进行路由计算，得出所述DCN全网路由。The network element device creates an OSPF instance, adds the IPV4 address of the DCN interface to the OSPF instance, performs route calculation, and obtains the DCN network-wide route.
可选地，所述的数据通信网络开通的方法中，所述网元设备计算每个环回接口的IPV4地址，包括：Optionally, in the method for the data communication network to be opened, the network element device calculates an IPV4 address of each loopback interface, including:
所述网元设备根据所述网元设备的网元标识NEID信息，计算所述每个环回接口的IPV4地址信息。 The network element device calculates IPV4 address information of each loopback interface according to the NEID information of the network element identifier of the network element device.
一种网元设备，包括：A network element device, including:
邻居网元节点信息学习模块，设置为：接收网管设备发送的邻居发现指令，根据所述邻居发现指令触发运行链路层发现协议LLDP协议，学习邻居网元的节点信息；The neighboring network element node information learning module is configured to: receive a neighbor discovery command sent by the network management device, and trigger the link layer discovery protocol LLDP protocol to learn the node information of the neighbor network element according to the neighbor discovery command;
DCN全网路由建立模块，设置为：运行开放最短路径优先协议OSPF路由协议，建立数据通信网络DCN全网路由；The DCN network-wide routing establishment module is configured to: run an open shortest path first protocol OSPF routing protocol, and establish a data communication network DCN network routing;
信息提供模块，设置为：向所述网管设备发送所述邻居网元节点信息学习模块得到的所述邻居网元节点信息和所述DCN全网路由建立模块建立的所述DCN全网路由信息，以使网管设备监管所述邻居网元，执行数据通信网络的开通。The information providing module is configured to: send, to the network management device, the neighbor network element node information obtained by the neighboring network element node information learning module, and the DCN full network routing information established by the DCN network-wide route establishment module, The network management device is configured to supervise the neighboring network element to perform the opening of the data communication network.
可选地，所述的网元设备中，所述邻居网元节点信息学习模块包括：Optionally, in the network element device, the neighbor network element node information learning module includes:
LLDP协议生成单元，设置为：根据所述邻居发现指令生成所述LLDP协议，将所述LLDP协议发送给每个邻居网元，以使所述每个邻居网元根据所述LLDP协议反馈本邻居网元的节点信息；The LLDP protocol generating unit is configured to: generate the LLDP protocol according to the neighbor discovery command, and send the LLDP protocol to each neighboring network element, so that each neighboring network element feeds back the neighbor according to the LLDP protocol. Node information of the network element;
节点信息接收单元，设置为：接收并保存所述每个邻居网元反馈的本邻居网元的节点信息。The node information receiving unit is configured to: receive and save node information of the neighboring network element fed back by each neighboring network element.
可选地，所述的网元设备中，所述邻居网元的节点信息包括：所述邻居网元的互联网协议IP地址、媒体访问控制MAC地址、虚拟局域网VLAN信息。Optionally, in the network element device, the node information of the neighboring network element includes: an Internet Protocol IP address, a media access control MAC address, and a virtual local area network (VLAN) VLAN information of the neighboring network element.
可选地，所述的网元设备中，所述DCN全网路由建立模块包括：Optionally, in the network element device, the DCN network-wide route establishment module includes:
DCN接口配置单元，设置为：为所述网元设备中处于上电状态的每个物理端口配置相应的DCN接口；The DCN interface configuration unit is configured to: configure a corresponding DCN interface for each physical port in the power-on state of the network element device;
环回接口配置单元，设置为：根据所述DCN接口配置单元配置的所述DCN接口的数量，设置生成相应个数的环回接口，计算每个所述环回接口的IPV4地址；The loopback interface configuration unit is configured to: generate a loopback interface corresponding to the number of the DCN interfaces configured by the DCN interface configuration unit, and calculate an IPV4 address of each loopback interface;
IPV4地址分配单元，设置为：为所述DCN接口配置单元配置的每个所述DCN接口分配一个所述环回接口配置单元计算出的环回接口的IPV4地址，以所述环回接口的IPV4地址作为对应DCN接口的IPV4地址；An IPV4 address allocation unit is configured to allocate, for each of the DCN interfaces configured by the DCN interface configuration unit, an IPV4 address of the loopback interface calculated by the loopback interface configuration unit, and the IPV4 of the loopback interface The address is the IPV4 address corresponding to the DCN interface;
DCN全网路由计算单元，设置为：创建OSPF实例，将所述DCN接口的 IPV4地址加入所述OSPF实例中，进行路由计算，得出所述DCN全网路由。The DCN network-wide route calculation unit is configured to: create an OSPF instance, and use the DCN interface The IPV4 address is added to the OSPF instance to perform route calculation, and the DCN network-wide route is obtained.
可选地，所述的网元设备中，所述环回接口配置单元设置为计算每个所述环回接口的IPV4地址，包括：根据所述网元设备的网元标识NEID信息，计算每个环回接口的IPV4地址信息。Optionally, in the network element device, the loopback interface configuration unit is configured to calculate an IPV4 address of each of the loopback interfaces, including: calculating, according to the NEID information of the network element identifier of the network element device, IPV4 address information of the loopback interface.
本发明实施例提供的网元设备及数据通信网络开通的方法，通过网元设备接收网管设备发送的邻居发现指令，根据邻居发现指令触发运行LLDP协议，学习邻居网元节点信息，并运行OSPF路由协议，建立DCN全网路由，从而向网管设备发送邻居网元的节点信息和DCN全网路由信息；本发明实施例通过上述技术方案，无需人工到现场为邻居网元进行初始化配置，网管设备便能够监管邻居网元，实现数据通信网络的开通，相比相关技术中的数据通信网络开通方式，简化了数据通信网络的开通流程，提高了数据通信网络的开通效率，降低了数据通信网络的开通成本。The network element device and the data communication network are provided by the network element device, and the network element device receives the neighbor discovery command sent by the network management device, triggers the operation of the LLDP protocol according to the neighbor discovery command, learns the neighbor network element node information, and runs the OSPF route. The protocol establishes a DCN network-wide route, so as to send the node information of the neighboring network element and the DCN network-wide routing information to the network management device. In the embodiment of the present invention, the network management device is configured to initialize the neighbor network element without manually going to the site. It can supervise neighbor network elements and realize the opening of data communication network. Compared with the opening mode of data communication network in related technologies, it simplifies the opening process of data communication network, improves the opening efficiency of data communication network, and reduces the opening of data communication network. cost.
在阅读并理解了附图和详细描述后，可以明白其他方面。Other aspects will be apparent upon reading and understanding the drawings and detailed description.
附图概述BRIEF abstract
图1为本发明实施例提供的一种数据通信网络开通的方法的流程示意图；1 is a schematic flowchart of a method for opening a data communication network according to an embodiment of the present invention;
图2为本发明实施例提供的数据通信网络开通的方法中一种邻居发现指令的格式示意图；2 is a schematic diagram of a format of a neighbor discovery instruction in a method for opening a data communication network according to an embodiment of the present invention;
图3为本发明实施例提供的另一种的数据通信网络开通的方法的流程示意图；FIG. 3 is a schematic flowchart diagram of another method for opening a data communication network according to an embodiment of the present disclosure;
图4为本发明实施例提供的数据通信网络开通的方法中一种LLDP协议的格式示意图；4 is a schematic diagram of a format of an LLDP protocol in a method for opening a data communication network according to an embodiment of the present invention;
图5为本发明实施例提供的又一种的数据通信网络开通的方法的流程示意图；FIG. 5 is a schematic flowchart diagram of still another method for opening a data communication network according to an embodiment of the present disclosure;
图6为本发明实施例提供的一种网元设备的结构示意图；FIG. 6 is a schematic structural diagram of a network element device according to an embodiment of the present disclosure;
图7为图6所示实施例提供的网元设备中一种邻居网元节点信息学习模块的结构示意图；FIG. 7 is a schematic structural diagram of a neighbor network element node information learning module in the network element device provided by the embodiment shown in FIG. 6;
图8为图6所示实施例提供的网元设备中一种DCN全网路由建立模块的结 构示意图。8 is a diagram of a DCN network-wide route establishment module in the network element device provided in the embodiment shown in FIG. Schematic diagram.
本发明的实施方式Embodiments of the invention
下文中将结合附图对本发明的实施方式进行详细说明。需要说明的是，在不冲突的情况下，本文中的实施例及实施例中的特征可以相互任意组合。Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that, in the case of no conflict, the features in the embodiments and the embodiments herein may be arbitrarily combined with each other.
在附图的流程图示出的步骤可以在诸根据一组计算机可执行指令的计算机系统中执行。并且，虽然在流程图中示出了逻辑顺序，但是在某些情况下，可以以不同于此处的顺序执行所示出或描述的步骤。The steps illustrated in the flowchart of the figures may be executed in a computer system in accordance with a set of computer executable instructions. Also, although logical sequences are shown in the flowcharts, in some cases the steps shown or described may be performed in a different order than the ones described herein.
本发明实施例提供一种数据通信网络开通的方法。如图1所示，为本发明实施例提供的一种的数据通信网络开通的方法的流程示意图。在本实施例中，当数据通信网络中新增网元设备，网管设备需要通过与该新增网元设备相邻的已管理到的网元设备获知该新增网元设备的节点信息，并计算DCN全网路由信息，根据获知的新增网元设备的节点信息和计算得出的DCN全网路由信息信息，网管设备即可实现对新增网元设备进行监管。本发明实施例以下所描述的网元设备为数据通信网络中与新增网元设备相邻且已被网管设备管理到的网元设备。本实施例提供的数据通信网络开通的方法可以包括如下步骤，即步骤：Embodiments of the present invention provide a method for opening a data communication network. FIG. 1 is a schematic flowchart diagram of a method for opening a data communication network according to an embodiment of the present invention. In this embodiment, when a network element device is added to the data communication network, the network management device needs to know the node information of the newly added network element device by using the managed network element device adjacent to the newly added network element device, and The network management device can implement the supervision of the newly added network element device by calculating the routing information of the entire network element of the DCN, and based on the information of the node information of the newly added network element device and the calculated routing information of the entire network of the DCN. The network element device described in the following is a network element device that is adjacent to the newly added network element device and has been managed by the network management device in the data communication network. The method for opening a data communication network provided in this embodiment may include the following steps:
步骤10、网元设备接收网管设备发送的邻居发现指令，根据该邻居发现指令触发运行链路层发现协议(Link Layer Discovery Protocol，简称为：LLDP)协议，学习邻居网元的节点信息。Step 10: The network element device receives the neighbor discovery command sent by the network management device, and triggers the Link Layer Discovery Protocol (LLDP) protocol to learn the node information of the neighbor network element according to the neighbor discovery command.
本实施例的步骤10中，邻居发现指令的格式如图2所示，为本发明实施例提供的数据通信网络开通的方法中一种邻居发现指令的格式示意图。In the step 10 of the embodiment, the format of the neighbor discovery command is as shown in FIG. 2 , which is a schematic diagram of a format of a neighbor discovery command in the method for opening a data communication network according to an embodiment of the present invention.
可选地，本实施例中邻居网元的节点信息包括：邻居网元的IP地址、媒体访问控制(Medium Access Control，简称为：MAC地址、VLAN信息。Optionally, the node information of the neighboring network element in this embodiment includes: an IP address of the neighboring network element, and a media access control (Medium Access Control, abbreviated as: MAC address, VLAN information).
步骤20、网元设备运行开放最短路径优先协议(Open Shortest Path First，简称为：OSPF)路由协议，建立DCN全网路由。Step 20: The network element device runs an Open Shortest Path First (OSPF) routing protocol, and establishes a DCN network-wide route.
可选地，本实施例中，当网元设备之前已学到部分其他邻居网元的DCN接口的IPV4地址时，则第一OSPF路由协议还携带自身已学习到的邻居网元的 DCN接口的IPV4地址信息，以便于邻居网元实现DCN全网路由计算。Optionally, in this embodiment, when the network element device has previously learned the IPV4 address of the DCN interface of the other neighboring network element, the first OSPF routing protocol also carries the neighbor network element that has been learned by itself. IPV4 address information of the DCN interface, so that neighbor NEs can implement DCN network-wide route calculation.
步骤30、网元设备向网管设备发送邻居网元的节点信息和DCN全网路由信息，以使网管设备监管邻居网元，执行数据通信网络的开通。Step 30: The network element device sends the node information of the neighboring network element and the DCN network routing information to the network management device, so that the network management device supervises the neighbor network element and performs the opening of the data communication network.
本实施例中，网管设备获知邻居网元的节点信息和DCN全网路由信息后，表明邻居网元与该网管设备在网络内的二层、三层是连通的。此时，网管设备便可以对该邻居网元进行监管，从而实现数据通信网络的开通。In this embodiment, after the network management device learns the node information of the neighboring network element and the DCN network routing information, it indicates that the neighboring network element is connected to the network management device at Layers 2 and 3 of the network. At this point, the network management device can supervise the neighbor network element to implement the opening of the data communication network.
可选地，如图3所示，为本发明实施例提供的另一种的数据通信网络开通的方法的流程示意图。在图1所示实施例的基础上，本实施例中的步骤10可以包括以下步骤，即步骤11～步骤12：Optionally, as shown in FIG. 3, it is a schematic flowchart of another method for opening a data communication network according to an embodiment of the present invention. On the basis of the embodiment shown in FIG. 1, step 10 in this embodiment may include the following steps, that is, steps 11 to 12:
步骤11、网元设备根据邻居发现指令生成LLDP协议，将该LLDP协议发送给每个邻居网元，使每个邻居网元根据该LLDP协议反馈本邻居网页的节点信息。Step 11: The network element device generates the LLDP protocol according to the neighbor discovery command, and sends the LLDP protocol to each neighboring network element, so that each neighboring network element feeds back the node information of the neighbor webpage according to the LLDP protocol.
本实施例中的步骤11中，每个邻居网元接收到网元设备发送的LLDP协议后，会向该网元设备反馈一个携带有自身节点信息的LLDP协议，该网元设备接收并解析每个邻居网元反馈的LLDP协议，即可获得每个邻居网元的节点信息。本实施例中的LLDP协议格式如图4所示，为本发明实施例提供的数据通信网络开通的方法中一种LLDP协议的格式示意图，图4中的FCS为集中式控制系统(Focus Control System)。In step 11 in this embodiment, after receiving the LLDP protocol sent by the network element device, each neighboring network element feeds back to the network element device an LLDP protocol carrying its own node information, and the network element device receives and parses each The LLDP protocol fed back by the neighboring NEs can obtain the node information of each neighboring NE. The LLDP protocol format in this embodiment is shown in FIG. 4, which is a schematic diagram of a format of an LLDP protocol in a method for opening a data communication network according to an embodiment of the present invention, and the FCS in FIG. 4 is a centralized control system (Focus Control System) ).
步骤12、网元设备接收并保存每个邻居网元反馈的节点信息。Step 12: The network element device receives and saves node information fed back by each neighboring network element.
可选地，如图5所示，为本发明实施例提供的又一种的数据通信网络开通的方法的流程示意图。在图1所示实施例的基础上，本实施例中的步骤20可以包括以下步骤，即步骤21～步骤24：Optionally, as shown in FIG. 5, it is a schematic flowchart of a method for opening a data communication network according to an embodiment of the present invention. On the basis of the embodiment shown in FIG. 1, step 20 in this embodiment may include the following steps, that is, steps 21 to 24:
步骤21、网元设备为该网络设备中处于上电状态的每个物理端口配置相应的DCN接口。Step 21: The network element device configures a corresponding DCN interface for each physical port in the power-on state of the network device.
本实施例中，针对为不同的处于上电(UP)状态的物理端口配置的DCN接口，通过不同名称予以区分，即通过名称中携带不同标识号予以区分配置 的每个DCN接口，例如，某一个处于UP状态的物理端口对应的DCN接口名称为“DCN_ETH8563”，其中“8563”为标识号，则其他处于UP状态的物理端口对应的DCN接口名称中不能携带“8563”这一标识号。In this embodiment, the DCN interfaces configured for different physical ports in the power-on state are distinguished by different names, that is, the names are carried by different identification numbers. For each DCN interface, for example, the name of the DCN interface corresponding to the physical port in the UP state is DCN_ETH8563, and the number of the DCN interface corresponding to the physical port in the UP state cannot be carried. "8563" identification number.
步骤22、网元设备根据DCN接口的数量，设置生成相应个数的环回接口，计算每个环回接口的IPV4地址。Step 22: The network element device sets a corresponding number of loopback interfaces according to the number of DCN interfaces, and calculates an IPV4 address of each loopback interface.
本本实施例的步骤20中，网元设备计算每个环回接口的IPV4地址的实现方式可以为：网元设备根据自身的网元标识(Network Element Identification，简称为：NEID)信息，计算每个环回接口的IPV4地址信息。其中，每个环回接口的IPV4地址不同于其他环回接口的IPV4地址。In the step 20 of the embodiment, the network element device calculates the IPV4 address of each loopback interface. The network element device calculates each network element according to its own network element identification (NEID) information. IPV4 address information of the loopback interface. The IPV4 address of each loopback interface is different from the IPV4 address of other loopback interfaces.
步骤23、网元设备为每个DCN接口分配一个环回接口的IPV4地址，以该环回接口的IPV4地址作为对应DCN接口的IPV4地址。Step 23: The network element device allocates an IPV4 address of the loopback interface to each DCN interface, and uses the IPV4 address of the loopback interface as the IPV4 address corresponding to the DCN interface.
步骤24、网元设备创建OSPF实例，将DCN接口的IPV4地址加入该OSPF实例中，进行路由计算，得出DCN全网路由。Step 24: The network element device creates an OSPF instance, adds the IPV4 address of the DCN interface to the OSPF instance, performs route calculation, and obtains the DCN network route.
可选地，本实施例中步骤24的实现方式可以为：网元设备生成第一OSPF路由协议，该第一OSPF路由协议中携带每个DCN接口的IPV4地址的，并将该第一OSPF路由协议发送给邻居网元，以使邻居网元根据该第一OSPF路由协议，生成携带其自身的每个DCN接口的IPV4地址信息以及学习到的其他邻居节点的每个DCN接口的IPV4地址的第二OSPF路由协议，并将所生成的第二OSPF路由协议反馈至该网元设备；该网元设备依据自身的DCN接口IPV4的地址信息和邻居网元反馈的第二OSPF路由协议计算DCN全网路由。Optionally, the implementation of step 24 in this embodiment may be: the network element device generates a first OSPF routing protocol, where the first OSPF routing protocol carries an IPV4 address of each DCN interface, and the first OSPF routing is performed. The protocol is sent to the neighboring network element, so that the neighboring network element generates the IPV4 address information of each DCN interface carrying its own and the IPV4 address of each DCN interface of the learned other neighboring nodes according to the first OSPF routing protocol. The second OSPF routing protocol feeds the generated second OSPF routing protocol to the network element device; the network element device calculates the DCN network according to the address information of the DCN interface IPV4 and the second OSPF routing protocol fed back by the neighboring network element. routing.
可选地，本发明实施例和可选实现方式中的网元设备可以是与网管设备经过传输控制协议(Transmission Control Protocol，简称为：TCP)直接相连的网元，即接入网元也称网关网元；也可以是与接入网元通过光纤连接的非接入网元。Optionally, the network element device in the embodiment of the present invention and the optional implementation manner may be a network element directly connected to the network management device through a Transmission Control Protocol (TCP), that is, the access network element is also called The gateway network element may also be a non-access network element connected to the access network element through an optical fiber.
本发明上述实施例和可选实现方式提供的数据通信网络开通的方法，通过网元设备接收网管设备发送的邻居发现指令，根据邻居发现指令触发运行LLDP协议，学习邻居网元的节点信息，并运行OSPF路由协议，建立DCN全网路由，从而向网管设备发送邻居网元的节点信息和DCN全网路由信息；本 发明实施例通过上述技术方案，无需人工到现场为邻居网元进行初始化配置，网管设备便能够监管邻居网元，实现数据通信网络的开通，相比相关技术中的数据通信网络开通方式，简化了数据通信网络的开通流程，提高了数据通信网络的开通效率，降低了数据通信网络的开通成本。The method for opening the data communication network provided by the foregoing embodiment and the optional implementation manner of the present invention, the network element device receives the neighbor discovery command sent by the network management device, triggers the running of the LLDP protocol according to the neighbor discovery command, and learns the node information of the neighbor network element, and Run the OSPF routing protocol to establish the DCN network-wide route, and send the node information of the neighboring NEs and the DCN network routing information to the network management device. The embodiments of the present invention can simplify the configuration of the neighboring network element without manually entering the site, and the network management device can supervise the neighboring network element to implement the opening of the data communication network, which is simplified compared with the data communication network in the related art. The opening process of the data communication network improves the opening efficiency of the data communication network and reduces the opening cost of the data communication network.
本发明实施例还提供一种网元设备。如图6所示，为本发明实施例提供一种的网元设备的结构示意图。在本实施例中，当数据通信网络中新增网元设备，网管设备需要通过与该新增网元设备相邻的已管理到的网元设备获知该新增网元设备的节点信息，并计算DCN全网路由信息，根据获知的新增网元设备的节点信息和计算得出的DCN全网路由信息信息，网管设备即可实现对新增网元设备进行监管。本发明实施例以下所描述的网元设备为数据通信网络中与新增网元设备相邻且已被网管设备管理到的网元设备。本实施例提供的网元设备100可以包括：邻居网元节点信息学习模块110、DCN全网路由建立模块120和信息提供模块130。The embodiment of the invention further provides a network element device. FIG. 6 is a schematic structural diagram of a network element device according to an embodiment of the present invention. In this embodiment, when a network element device is added to the data communication network, the network management device needs to know the node information of the newly added network element device by using the managed network element device adjacent to the newly added network element device, and The network management device can implement the supervision of the newly added network element device by calculating the routing information of the entire network element of the DCN, and based on the information of the node information of the newly added network element device and the calculated routing information of the entire network of the DCN. The network element device described in the following is a network element device that is adjacent to the newly added network element device and has been managed by the network management device in the data communication network. The network element device 100 provided in this embodiment may include: a neighboring network element node information learning module 110, a DCN full network route establishing module 120, and an information providing module 130.
其中，邻居网元节点信息学习模块110，设置为：接收网管设备发送的邻居发现指令，根据该邻居发现指令触发运行LLDP协议，学习邻居网元的节点信息。The neighboring network element node information learning module 110 is configured to: receive a neighbor discovery command sent by the network management device, and trigger the LLDP protocol to learn the node information of the neighbor network element according to the neighbor discovery command.
DCN全网路由建立模块120，设置为：运行OSPF路由协议，建立DCN全网路由。The DCN network-wide route establishing module 120 is configured to: run an OSPF routing protocol, and establish a DCN network-wide route.
信息提供模块130，设置为：向网管设备发送邻居网元节点信息学习模块110得到的邻居网元的节点信息和DCN全网路由建立模块120建立的DCN全网路由信息，以使网管设备监管所述邻居网元，执行数据通信网络的开通。The information providing module 130 is configured to: send, to the network management device, the node information of the neighboring network element obtained by the neighboring network element node information learning module 110 and the DCN network routing information established by the DCN network-wide route establishing module 120, so that the network management equipment supervision office The neighboring network element is described, and the opening of the data communication network is performed.
可选地，本实施例中的邻居发现指令格式同样可以参见图2所示邻居发现指令。Optionally, the neighbor discovery instruction format in this embodiment may also refer to the neighbor discovery instruction shown in FIG. 2 .
如图7所示，为图6所示实施例提供的网元设备中一种邻居网元节点信息学习模块的结构示意图；本实施例提供的网元设备100中，该邻居网元节点信息学习模块110可以包括：LLDP协议生成单元111和节点信息接收单元112。FIG. 7 is a schematic structural diagram of a neighboring network element node information learning module in the network element device provided in the embodiment shown in FIG. 6. In the network element device 100 provided in this embodiment, the neighbor network element node information learning is performed. The module 110 may include an LLDP protocol generating unit 111 and a node information receiving unit 112.
其中，LLDP协议生成单元111，设置为：根据邻居发现指令生成LLDP协 议，将该LLDP协议发送给每个邻居网元，以使每个邻居网元根据该LLDP协议反馈本邻居网元的节点信息。The LLDP protocol generating unit 111 is configured to: generate an LLDP association according to the neighbor discovery command. The LLDP protocol is sent to each neighboring network element, so that each neighboring network element feeds back the node information of the neighboring network element according to the LLDP protocol.
节点信息接收单元112，设置为：接收并保存每个邻居网元反馈的本邻居网元的节点信息。The node information receiving unit 112 is configured to: receive and save node information of the neighboring network element fed back by each neighboring network element.
本实施例中每个邻居网元接收到网元设备100发送的LLDP协议后，会向该网元设备100反馈一个携带有自身节点信息的LLDP协议，从而网元设备100可以接收并解析每个邻居网元反馈的LLDP协议，即可获得每个邻居网元的节点信息。In this embodiment, after receiving the LLDP protocol sent by the network element device 100, each neighboring network element feeds back to the network element device 100 an LLDP protocol carrying its own node information, so that the network element device 100 can receive and parse each The LLDP protocol fed back by the neighboring NEs can obtain the node information of each neighboring NE.
可选地，本实施例中的LLDP协议格式同样可以参见图4所示LLDP协议。Optionally, the LLDP protocol format in this embodiment can also refer to the LLDP protocol shown in FIG. 4.
可选地，本实施例中的邻居网元的节点信息同样可以包括：邻居网元的IP地址、MAC地址、VLAN信息。Optionally, the node information of the neighboring network element in this embodiment may also include: an IP address, a MAC address, and VLAN information of the neighboring network element.
如图8所示，为图6所示实施例提供的网元设备中一种DCN全网路由建立模块的结构示意图。本实施例提供的网元设备100中，该DCN全网路由建立模块120可以包括：DCN接口配置单元121、环回接口配置单元122、IPV4地址分配单元123和DCN全网路由计算单元124。FIG. 8 is a schematic structural diagram of a DCN full-network route establishment module in the network element device provided in the embodiment shown in FIG. 6. In the network element device 100 provided in this embodiment, the DCN network-wide route establishing module 120 may include: a DCN interface configuration unit 121, a loopback interface configuration unit 122, an IPV4 address allocation unit 123, and a DCN network-wide route calculation unit 124.
其中，DCN接口配置单元121，设置为：为网元设备中处于UP状态的每个物理端口配置相应的DCN接口。The DCN interface configuration unit 121 is configured to: configure a corresponding DCN interface for each physical port in the UP state of the network element device.
环回接口配置单元122，设置为：根据DCN接口配置单元121配置的DCN接口的数量，设置生成相应个数的环回接口，计算每个环回接口的IPV4地址。The loopback interface configuration unit 122 is configured to generate a corresponding number of loopback interfaces according to the number of DCN interfaces configured by the DCN interface configuration unit 121, and calculate an IPV4 address of each loopback interface.
IPV4地址分配单元123，设置为：为DCN接口配置单元121配置的每个DCN接口分配一个环回接口配置单元122计算出的环回接口的IPV4地址，以该环回接口的IPV4地址作为对应DCN接口的IPV4地址。The IPV4 address allocation unit 123 is configured to allocate, for each DCN interface configured by the DCN interface configuration unit 121, an IPV4 address of the loopback interface calculated by the loopback interface configuration unit 122, and use the IPV4 address of the loopback interface as the corresponding DCN. IPV4 address of the interface.
DCN全网路由计算单元124，设置为：创建OSPF实例，将DCN接口的IPV4地址加入OSPF实例中，进行路由计算，得出DCN全网路由。The DCN network-wide route calculation unit 124 is configured to: create an OSPF instance, add the IPV4 address of the DCN interface to the OSPF instance, perform route calculation, and obtain a DCN network-wide route.
本实施例中，针对为不同的处于UP状态的物理端口配置的DCN接口，通过不同名称予以区分，即通过名称中携带不同标识号予以区分配置的每个DCN接口，例如某一处于UP状态的物理端口对应的DCN接口名称为“DCN_ETH8563”，其中“8563”为标识号，则其他处于UP状态的物理端 口对应的DCN接口名称中不能携带“8563”这一标识号。In this embodiment, the DCN interfaces configured for different physical ports in the UP state are distinguished by different names, that is, each DCN interface configured by carrying different identification numbers in the name, for example, a certain UP state. The name of the DCN interface corresponding to the physical port is DCN_ETH8563, where "8563" is the identification number, and other physical interfaces in the UP state. The ID of the "8563" cannot be carried in the DCN interface name corresponding to the port.
可选地，上述实施例提供的网元设备100中，环回接口配置单元122的实现方式可以为：根据网元设备的网元标识(NEID)信息，计算每个环回接口的IPV4地址信息。其中，每个环回接口的IPV4地址不同于其他环回接口的IPV4地址。Optionally, in the network element device 100 provided by the foregoing embodiment, the implementation of the loopback interface configuration unit 122 may be: calculating the IPV4 address information of each loopback interface according to the network element identifier (NEID) information of the network element device. . The IPV4 address of each loopback interface is different from the IPV4 address of other loopback interfaces.
可选地，上述实施例提供的网元设备100中，DCN全网路由计算单元124的实现方式可以为：生成第一OSPF路由协议，该第一OSPF路由协议中携带每个DCN接口的IPV4地址，并将该第一OSPF路由协议发送给邻居网元，以使邻居网元根据该第一OSPF路由协议，生成携带其自身的每个DCN接口的IPV4地址信息以及学习到的其他邻居节点的每个DCN接口的IPV4地址的第二OSPF路由协议，并将所生成的第二OSPF路由协议反馈至网元设备100；该网元设备100依据自身的DCN接口的IPV4地址信息和邻居网元反馈的第二OSPF路由协议计算DCN全网路由。Optionally, in the network element device 100 provided by the foregoing embodiment, the implementation manner of the DCN network-wide route calculation unit 124 may be: generating a first OSPF routing protocol, where the first OSPF routing protocol carries an IPV4 address of each DCN interface. Sending the first OSPF routing protocol to the neighboring network element, so that the neighboring network element generates IPV4 address information of each DCN interface carrying its own and other learned neighbor nodes according to the first OSPF routing protocol. The second OSPF routing protocol of the IPV4 address of the DCN interface, and the generated second OSPF routing protocol is fed back to the network element device 100; the network element device 100 feeds back the IPV4 address information of the DCN interface and the feedback of the neighboring network element. The second OSPF routing protocol calculates the DCN network-wide route.
另外，本实施例中，当网元设备100之前已学到部分其他邻居网元的DCN接口的IPV4地址时，则该第一OSPF路由协议还携带自身已学习到的邻居网元的DCN接口的IPV4地址信息，以便于邻居网元实现DCN全网路由计算。In addition, in this embodiment, when the network element device 100 has previously learned the IPV4 address of the DCN interface of some other neighboring network elements, the first OSPF routing protocol also carries the DCN interface of the neighboring network element that has been learned by itself. IPV4 address information, so that neighbor NEs can implement DCN network-wide route calculation.
本发明实施例中，网管设备获知邻居网元的节点信息和DCN全网路由信息后，表明该邻居网元与所述网管设备在网络内的二层、三层是连通的。此时，网管设备便可以对所述邻居网元进行监管，从而实现数据通信网络的开通。In the embodiment of the present invention, after the network management device learns the node information of the neighboring network element and the DCN network routing information, it indicates that the neighbor network element and the network management device are connected in Layer 2 and Layer 3 of the network. At this time, the network management device can supervise the neighbor network element, thereby implementing the opening of the data communication network.
可选地，本发明实施例所述的网元设备100可以是与网管设备经过TCP直接相连的网元，即可以是接入网元也称网关网元；也可以是与接入网元通过光纤连接的非接入网元。Optionally, the network element device 100 in the embodiment of the present invention may be a network element directly connected to the network management device via the TCP, that is, the access network element may also be referred to as a gateway network element, or may be passed through with the access network element. Non-access network element connected by fiber.
本发明实施例提供的网元设备，通过网元设备100接收网管设备发送的邻居发现指令，根据邻居发现指令触发运行LLDP协议，学习邻居网元的节点信息，并且运行OSPF路由协议，建立DCN全网路由，从而向网管设备发送邻居网元的节点信息和DCN全网路由信息；本发明实施例通过上述技术方案，无需人工到现场为邻居网元进行初始化配置，网管设备便能够监管邻居网元，实现数据通信网络的开通，相比相关技术中的数据通信网络开通方式，简化 了数据通信网络的开通流程，提高了数据通信网络的开通效率，降低了数据通信网络的开通成本。The network element device of the embodiment of the present invention receives the neighbor discovery command sent by the network management device through the network element device 100, triggers the operation of the LLDP protocol according to the neighbor discovery command, learns the node information of the neighbor network element, and runs the OSPF routing protocol to establish the DCN The network routing device sends the node information of the neighboring network element and the DCN network routing information to the network management device. In the embodiment of the present invention, the network management device can monitor the neighbor network element by manually configuring the neighbor network element without manually going to the site. To realize the opening of the data communication network, compared with the opening method of the data communication network in the related technology, simplifying The opening process of the data communication network improves the opening efficiency of the data communication network and reduces the opening cost of the data communication network.
本领域普通技术人员可以理解上述实施例的全部或部分步骤可以使用计算机程序流程来实现，所述计算机程序可以存储于一计算机可读存储介质中，所述计算机程序在相应的硬件平台上(根据系统、设备、装置、器件等)执行，在执行时，包括方法实施例的步骤之一或其组合。One of ordinary skill in the art will appreciate that all or a portion of the steps of the above-described embodiments can be implemented using a computer program flow, which can be stored in a computer readable storage medium on a corresponding hardware platform (according to The system, device, device, device, etc. are executed, and when executed, include one or a combination of the steps of the method embodiments.
可选地，上述实施例的全部或部分步骤也可以使用集成电路来实现，这些步骤可以被分别制作成一个个集成电路模块，或者将它们中的多个模块或步骤制作成单个集成电路模块来实现。Alternatively, all or part of the steps of the above embodiments may also be implemented by using an integrated circuit. These steps may be separately fabricated into individual integrated circuit modules, or multiple modules or steps may be fabricated into a single integrated circuit module. achieve.
上述实施例中的装置/功能模块/功能单元可以采用通用的计算装置来实现，它们可以集中在单个的计算装置上，也可以分布在多个计算装置所组成的网络上。The devices/function modules/functional units in the above embodiments may be implemented by a general-purpose computing device, which may be centralized on a single computing device or distributed over a network of multiple computing devices.
上述实施例中的装置/功能模块/功能单元以软件功能模块的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。上述提到的计算机可读取存储介质可以是只读存储器，磁盘或光盘等。When the device/function module/functional unit in the above embodiment is implemented in the form of a software function module and sold or used as a stand-alone product, it can be stored in a computer readable storage medium. The above mentioned computer readable storage medium may be a read only memory, a magnetic disk or an optical disk or the like.
工业实用性Industrial applicability
本发明实施例通过网元设备接收网管设备发送的邻居发现指令，根据邻居发现指令触发运行LLDP协议，学习邻居网元节点信息，并运行OSPF路由协议，建立DCN全网路由，从而向网管设备发送邻居网元的节点信息和DCN全网路由信息；本发明实施例通过上述技术方案，无需人工到现场为邻居网元进行初始化配置，网管设备便能够监管邻居网元，实现数据通信网络的开通，相比相关技术中的数据通信网络开通方式，简化了数据通信网络的开通流程，提高了数据通信网络的开通效率，降低了数据通信网络的开通成本。 In the embodiment of the present invention, the network element device receives the neighbor discovery command sent by the network management device, triggers the operation of the LLDP protocol according to the neighbor discovery command, learns the neighbor network element node information, and runs the OSPF routing protocol to establish a DCN network route, so as to send the network route to the network management device. The node information of the neighboring network element and the DCN network-wide routing information; the embodiment of the present invention enables the network management device to supervise the neighboring network element and implement the opening of the data communication network by manually configuring the neighboring network element without manual intervention. Compared with the opening mode of the data communication network in the related technology, the opening process of the data communication network is simplified, the opening efficiency of the data communication network is improved, and the opening cost of the data communication network is reduced.

Claims (10)

  1. 一种数据通信网络开通的方法，包括：A method for opening a data communication network includes:
    网元设备接收网管设备发送的邻居发现指令，根据所述邻居发现指令触发运行链路层发现协议LLDP协议，学习邻居网元的节点信息；The network element device receives the neighbor discovery command sent by the network management device, and triggers the link layer discovery protocol LLDP protocol to learn the node information of the neighbor network element according to the neighbor discovery command.
    所述网元设备运行开放最短路径优先协议OSPF路由协议，建立数据通信网络DCN全网路由；The network element device runs an open shortest path priority protocol OSPF routing protocol, and establishes a data communication network DCN network routing;
    所述网元设备向所述网管设备发送所述邻居网元的节点信息和DCN全网路由信息，以使所述网管设备监管所述邻居网元，执行数据通信网络的开通。The network element device sends the node information of the neighboring network element and the DCN network routing information to the network management device, so that the network management device supervises the neighbor network element and performs the opening of the data communication network.
  2. 根据权利要求1所述的数据通信网络开通的方法，其中，所述网元设备根据所述邻居发现指令运行链路层发现协议LLDP协议，学习邻居网元的节点信息，包括：The method for opening a data communication network according to claim 1, wherein the network element device runs the link layer discovery protocol LLDP protocol according to the neighbor discovery instruction, and learns node information of the neighbor network element, including:
    所述网元设备根据所述邻居发现指令生成所述LLDP协议，将所述LLDP协议发送给每个邻居网元，以使所述每个邻居网元根据所述LLDP协议反馈本邻居网元的节点信息；The network element device generates the LLDP protocol according to the neighbor discovery command, and sends the LLDP protocol to each neighboring network element, so that each neighboring network element feeds back the neighboring network element according to the LLDP protocol. Node information;
    所述网元设备接收并保存所述每个邻居网元反馈的本邻居网元的节点信息。The network element device receives and stores node information of the neighboring network element fed back by each neighboring network element.
  3. 根据权利要求2所述的数据通信网络开通的方法，其中，所述邻居网元的节点信息包括：所述邻居网元的互联网协议IP地址、媒体访问控制MAC地址、虚拟局域网VLAN信息。The method for opening a data communication network according to claim 2, wherein the node information of the neighbor network element comprises: an internet protocol IP address, a media access control MAC address, and virtual local area network VLAN information of the neighbor network element.
  4. 根据权利要求1所述的数据通信网络开通的方法，其中，所述网元设备运行开放最短路径优先协议OSPF路由协议，建立数据通信网络DCN全网路由，包括：The method for opening a data communication network according to claim 1, wherein the network element device runs an open shortest path first protocol OSPF routing protocol, and establishes a data communication network DCN network routing, including:
    所述网元设备为所述网元设备中处于上电状态的每个物理端口配置相应的DCN接口；The network element device configures a corresponding DCN interface for each physical port in the power-on state of the network element device;
    所述网元设备根据所述DCN接口的数量，设置生成相应个数的环回接口，计算每个所述环回接口的IPV4地址；The network element device is configured to generate a corresponding number of loopback interfaces according to the number of the DCN interfaces, and calculate an IPV4 address of each of the loopback interfaces.
    所述网元设备为每个所述DCN接口分配一个环回接口的IPV4地址，以所 述环回接口IPV4的地址作为对应DCN接口的IPV4地址；The network element device allocates an IPV4 address of a loopback interface to each of the DCN interfaces, The address of the loopback interface IPV4 is used as the IPV4 address corresponding to the DCN interface;
    所述网元设备创建OSPF实例，将所述DCN接口的IPV4地址加入所述OSPF实例中，进行路由计算，得出所述DCN全网路由。The network element device creates an OSPF instance, adds the IPV4 address of the DCN interface to the OSPF instance, performs route calculation, and obtains the DCN network-wide route.
  5. 根据权利要求4所述的数据通信网络开通的方法，其中，所述网元设备计算每个环回接口的IPV4地址，包括：The method for opening a data communication network according to claim 4, wherein the network element device calculates an IPV4 address of each loopback interface, including:
    所述网元设备根据所述网元设备的网元标识NEID信息，计算所述每个环回接口的IPV4地址信息。The network element device calculates IPV4 address information of each loopback interface according to the NEID information of the network element identifier of the network element device.
  6. 一种网元设备，包括：A network element device, including:
    邻居网元节点信息学习模块，设置为：接收网管设备发送的邻居发现指令，根据所述邻居发现指令触发运行链路层发现协议LLDP协议，学习邻居网元节点信息；The neighboring network element node information learning module is configured to: receive a neighbor discovery command sent by the network management device, and trigger the link layer discovery protocol LLDP protocol to learn the neighbor network element node information according to the neighbor discovery command;
    DCN全网路由建立模块，设置为：运行开放最短路径优先协议OSPF路由协议，建立数据通信网络DCN全网路由；The DCN network-wide routing establishment module is configured to: run an open shortest path first protocol OSPF routing protocol, and establish a data communication network DCN network routing;
    信息提供模块，设置为：向所述网管设备发送所述邻居网元节点信息学习模块得到的所述邻居网元节点信息和所述DCN全网路由建立模块建立的所述DCN全网路由信息，以使网管设备监管所述邻居网元，执行数据通信网络的开通。The information providing module is configured to: send, to the network management device, the neighbor network element node information obtained by the neighboring network element node information learning module, and the DCN full network routing information established by the DCN network-wide route establishment module, The network management device is configured to supervise the neighboring network element to perform the opening of the data communication network.
  7. 根据权利要求6所述的网元设备，其中，所述邻居网元节点信息学习模块包括：The network element device according to claim 6, wherein the neighbor network element node information learning module comprises:
    LLDP协议生成单元，设置为：根据所述邻居发现指令生成所述LLDP协议，将所述LLDP协议发送给每个邻居网元，以使所述每个邻居网元根据所述LLDP协议反馈本邻居网元的节点信息；The LLDP protocol generating unit is configured to: generate the LLDP protocol according to the neighbor discovery command, and send the LLDP protocol to each neighboring network element, so that each neighboring network element feeds back the neighbor according to the LLDP protocol. Node information of the network element;
    节点信息接收单元，设置为：接收并保存所述每个邻居网元反馈的本邻居网元的节点信息。The node information receiving unit is configured to: receive and save node information of the neighboring network element fed back by each neighboring network element.
  8. 根据权利要求7所述的网元设备，其中，所述邻居网元的节点信息包括：所述邻居网元的互联网协议IP地址、媒体访问控制MAC地址、虚拟局域网VLAN信息。The network element device of claim 7, wherein the node information of the neighbor network element comprises: an internet protocol IP address, a media access control MAC address, and virtual local area network VLAN information of the neighbor network element.
  9. 根据权利要求6所述的网元设备，其中，所述DCN全网路由建立模块 包括：The network element device according to claim 6, wherein the DCN full network routing establishment module include:
    DCN接口配置单元，设置为：为所述网元设备中处于上电状态的每个物理端口配置相应的DCN接口；The DCN interface configuration unit is configured to: configure a corresponding DCN interface for each physical port in the power-on state of the network element device;
    环回接口配置单元，设置为：根据所述DCN接口配置单元配置的所述DCN接口的数量，设置生成相应个数的环回接口，计算每个所述环回接口的IPV4地址；The loopback interface configuration unit is configured to: generate a loopback interface corresponding to the number of the DCN interfaces configured by the DCN interface configuration unit, and calculate an IPV4 address of each loopback interface;
    IPV4地址分配单元，设置为：为所述DCN接口配置单元配置的每个所述DCN接口分配一个所述环回接口配置单元计算出的环回接口的IPV4地址，以所述环回接口的IPV4地址作为对应DCN接口的IPV4地址；An IPV4 address allocation unit is configured to allocate, for each of the DCN interfaces configured by the DCN interface configuration unit, an IPV4 address of the loopback interface calculated by the loopback interface configuration unit, and the IPV4 of the loopback interface The address is the IPV4 address corresponding to the DCN interface;
    DCN全网路由计算单元，设置为：创建OSPF实例，将所述DCN接口的IPV4地址加入所述OSPF实例中，进行路由计算，得出所述DCN全网路由。The DCN network-wide route calculation unit is configured to: create an OSPF instance, add the IPV4 address of the DCN interface to the OSPF instance, perform route calculation, and obtain the DCN network-wide route.
  10. 根据权利要求9所述的网元设备，其中，所述环回接口配置单元设置为计算每个所述环回接口的IPV4地址，包括：根据所述网元设备的网元标识NEID信息，计算每个环回接口的IPV4地址信息。 The network element device according to claim 9, wherein the loopback interface configuration unit is configured to calculate an IPV4 address of each of the loopback interfaces, including: calculating, according to the NEID information of the network element identifier of the network element device, IPV4 address information of each loopback interface.
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