CN106452826A - Realization method of virtual gateway in end-to-end private line scene - Google Patents
Realization method of virtual gateway in end-to-end private line scene Download PDFInfo
- Publication number
- CN106452826A CN106452826A CN201610589783.0A CN201610589783A CN106452826A CN 106452826 A CN106452826 A CN 106452826A CN 201610589783 A CN201610589783 A CN 201610589783A CN 106452826 A CN106452826 A CN 106452826A
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- CN
- China
- Prior art keywords
- gateway
- private line
- virtual gateway
- virtual
- special line
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Classifications
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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
- H04L41/0823—Configuration setting characterised by the purposes of a change of settings, e.g. optimising configuration for enhancing reliability
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/09—Mapping addresses
- H04L61/10—Mapping addresses of different types
- H04L61/103—Mapping addresses of different types across network layers, e.g. resolution of network layer into physical layer addresses or address resolution protocol [ARP]
Abstract
The invention relates to network communication technology and particularly relates to a realization method of a virtual gateway in an end-to-end private line scene. In order to solve the problems of difficult fault examination and maintenance and increasing equipment cost in the process of end-to-end private line communication need in the prior art, the invention provides a realization method of a virtual gateway in an end-to-end private line scene. The method includes that the virtual gateway is created on a private line device and supports three-layer device business features and can correspond to the ARP query request for its own IP or an IP in the same network segment, and the gateway can identify the destination MAC of a user business message, and determines whether the local delivery, same-gateway forwarding, and cross-gateway forwarding can be carried out. In this way, the realization method achieves the aim of mutual communication of branch mechanisms without increasing the input cost, and is easy to carry out fault examination and maintenance.
Description
Technical field
The present invention relates to the network communications technology, specifically, it is related to a kind of reality of virtual gateway in end-to-end special line scene
Existing method.
Technical background
End-to-end special line is domestic each Primary communication operator while carrying out old transmission network transformation, for meeting government and enterprises
The demand of subscriber data traffic, the packetizing mobile data using current construction returns net（IPRAN/PTN/UTN）, exclusively for enterprise
The dedicated transmissions link that industry user undertakes the construction of, thus realize government and enterprises user specially enjoy various high-quality communication services and Informatization Service
Solution.Typically end-to-end private line service implements there is following feature：
1. private line service is based on IP packetizing transmission technology and realizes；
2. user side is divided by physically or logically port and realizes business isolation；
3. the L2VPN technology that network side is carried by label realizes business isolation；
4. business realizing transparent transmission end to end, Maintenance free user's message forwarding-table item.
End-to-end special line is typically disposed with its Main Branches is inter-agency in user's local side/general headquarters, and user equipment is special
Line two ends are realized accessing and are exchanged visits, and when same government and enterprises user special line demand exceedes one or more, overall network structure is by user office
Hold to the radiation of each branch, form point-to-multipoint topology, because user's local side special line equipment has all branches of convergence
The feature of business, compared with branch's special line equipment, functions of the equipments, performance requirement are higher.
Operator mainly considers construction cost when end-to-end special line is built, and does not take into full account the access energy of user equipment
Power, typically can only provide the physical access port of limited quantity on local side special line equipment for user equipment, more in the case of each
Branch's business divides logic port by VLAN.VLAN can not be identified in the case of user equipment is more, and deposit between each branch
In the demand being in communication with each other.In this case, following two schemes can typically be adopted：
Scheme 1：Construction can safeguard user's message（MAC）Point-to-multipoint two layer services of forwarding-table item；
Scheme 2：Increase the IP gateway equipment of recognizable VLAN in local side special line equipment user side.
Wherein, scheme 1 can increase the professional ability demand of whole net special line equipment, and because introduce two layers forward features so that
Whole user network is in same broadcast domain, can cause shadow to whole network in the case that certain user's device Errors are implemented
Ring, and be difficult to carry out malfunction elimination and maintenance.High performance-price ratio that these factors are pursued for operator, high security, Gao Ke
Private line service by property is implemented theory and is had differences, so operational version 2 in the case of currently more.Scheme 2 utilizes IP route to turn
Send out isolation radio network, and can control the communication between each joint mechanism, but the newly added equipment that the program can increase government and enterprises user becomes
This, and the end-to-end private line service enforcement theory providing user directly available with operator there is also difference.
Content of the invention
It is an object of the invention to provide in a kind of end-to-end special line scene virtual gateway implementation method, to solve above-mentioned
It is difficult the problem carrying out malfunction elimination and maintenance issues and newly added equipment cost present in two schemes.
In order to reach above-mentioned technique effect, technical scheme is as follows：Virtual net in a kind of end-to-end special line scene
The implementation method closed, its feature includes below step：It is characterized in that inclusion below step：
Step 1：Virtual gateway is created on special line equipment；
Step 2：The network side of the configuration end-to-end private line service of local side apparatus or user side interface access this gateway；
Step 3：This gateway supports three-layer equipment service feature, and the ARP inquiry that can respond for itself IP or same network segment IP please
Ask；
Step 4：Purpose MAC of this gateway identifying user service message decides whether that this send on the ground, same to gateway forwards, spanning gateway turn
Send out.
Preferably, in above-mentioned step 2, configure more than one IP address network segment as the gateway of access terminal equipment；
In the present invention, virtual gateway is existed with virtual unit in end-to-end special line scene, and the IP address that can configure more than 1 is made
For gateway address；Virtual gateway identifiable point to the user's message passing over to two layers of special line public network side interface, and by public network
Side interface and private network side interface are configured to access the interface of this gateway, and virtual gateway response is for the ARP request of gateway IP, virtual
Gateway is with the MAC of oneself（ARP proxy）Response access interface passes over the ARP request with gateway IP same network segment, simultaneously for
Non-existent arp entry, can initiate ARP inquiry request by switch control rule to other access interfaces, virtual gateway can be safeguarded same
ARP under IP network section, can support to distinguish the Static ARP entry configuration of access interface.Virtual gateway is directed to be received from access interface
User's message purpose MAC arriving is gateway MAC, carries out forward process.
The purpose of each branch intercommunication thus in the case of cost of not increasing input, can be reached,
And easily carry out malfunction elimination and maintenance.
Brief description：
Fig. 1 is the framework schematic diagram in the present invention using scene；
Fig. 2 is the handling process of customer service ARP request in the present invention；
Fig. 3 is the handling process that in the present invention, customer service message forwards.
Specific embodiment：
In end-to-end special line scene a kind of to the present invention, the method for virtual gateway is realized illustrating below in conjunction with the accompanying drawings.A kind of end
To end special line scene in virtual gateway implementation method, this end-to-end special line scene overview as shown in figure 1, the present invention provide side
Method comprises the following steps：
1. virtual gateway is created on special line equipment；
2. the network side of the configuration end-to-end private line service of local side apparatus or user side interface access this gateway；
3. this gateway supports three-layer equipment service feature, and can respond the ARP inquiry request for itself IP or same network segment IP；As
Shown in Fig. 2, in the present invention, the handling process of customer service ARP request is as follows：
A) receive user business ARP request, and judge its purpose IP；
B) if gateway IP, normally respond ARP request；
C), in the case of non-gateway IP, judge whether and gateway phase same network segment；
D) the non-gateway network segment, abandons this ARP request, and flow process terminates；
E) if the gateway network segment, this ARP request is responded with gateway MAC；
F) query facility ARP table, if hitting this arp entry, flow process terminates；
If g) miss, broadcast this ARP inquiry request to other access interfaces of this gateway.
4. purpose MAC of this gateway identifying user service message decides whether that this send on the ground, same to gateway forwards, spanning gateway turn
Send out.As shown in figure 3, the handling process that in the present invention, customer service message forwards is as follows：
A) identifying user service message, and judge its purpose MAC；
B) non-gateway MAC, abandons this message, and flow process terminates；
C) if gateway MAC, judge whether gateway IP；
D) if gateway IP, above send process, forwarding process terminates；
If e) non-gateway IP, table of query and routing, miss, packet loss, flow process terminates；
If f) hitting routing table, inquire about direct-connected next-hop ARP table, miss, packet loss, flow process terminates；
If hit ARP table, encapsulate Ethernet header, normal forwarding, flow process terminates.
Claims (2)
1. in a kind of end-to-end special line scene virtual gateway implementation method, its feature includes below step：It is characterized in that bag
Include below step：
Step 1：Virtual gateway is created on special line equipment；
Step 2：The network side of the configuration end-to-end private line service of local side apparatus or user side interface access this gateway；
Step 3：This gateway supports three-layer equipment service feature, and the ARP inquiry that can respond for itself IP or same network segment IP please
Ask；
Step 4：Purpose MAC of this gateway identifying user service message decides whether that this send on the ground, same to gateway forwards, spanning gateway turn
Send out.
2. as claimed in claim 1 in a kind of end-to-end special line scene the implementation method of virtual gateway it is characterised in that described
Step 2 in, configure more than one IP address network segment as the gateway of access terminal equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610589783.0A CN106452826A (en) | 2016-07-26 | 2016-07-26 | Realization method of virtual gateway in end-to-end private line scene |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610589783.0A CN106452826A (en) | 2016-07-26 | 2016-07-26 | Realization method of virtual gateway in end-to-end private line scene |
Publications (1)
| Publication Number | Publication Date |
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| CN106452826A true CN106452826A (en) | 2017-02-22 |
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| CN201610589783.0A Pending CN106452826A (en) | 2016-07-26 | 2016-07-26 | Realization method of virtual gateway in end-to-end private line scene |
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Cited By (2)
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| CN107094135A (en) * | 2017-03-27 | 2017-08-25 | 深圳市金立通信设备有限公司 | A kind of special line communication method and terminal |
| CN114245244A (en) * | 2021-12-28 | 2022-03-25 | 安徽皖通邮电股份有限公司 | Complex service arrangement method based on networking topology, storage medium and equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107094135A (en) * | 2017-03-27 | 2017-08-25 | 深圳市金立通信设备有限公司 | A kind of special line communication method and terminal |
| CN114245244A (en) * | 2021-12-28 | 2022-03-25 | 安徽皖通邮电股份有限公司 | Complex service arrangement method based on networking topology, storage medium and equipment |
| CN114245244B (en) * | 2021-12-28 | 2023-06-16 | 安徽皖通邮电股份有限公司 | Complex service arrangement method, storage medium and device based on networking topology |
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Application publication date: 20170222 |