CN105790993B - A kind of cut over method, apparatus and BAS Broadband Access Server - Google Patents
A kind of cut over method, apparatus and BAS Broadband Access Server Download PDFInfo
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- CN105790993B CN105790993B CN201410827515.9A CN201410827515A CN105790993B CN 105790993 B CN105790993 B CN 105790993B CN 201410827515 A CN201410827515 A CN 201410827515A CN 105790993 B CN105790993 B CN 105790993B
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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
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Abstract
The present invention provides a kind of cut over method, apparatus and BAS Broadband Access Server, is related to the communications field.Method includes: to carry out cutover operation to the user on the first business router, and the business of the user is made to be transferred to the second business router；Configure the secondary route that second business router sends the user to the core router of the first business router first line of a couplet, the digit of the secondary route be greater than the first via corresponding to the user that the core router originally saved by；Wherein, the core router issues the flow of the user according to the longest match principle of routing.The solution of the present invention can realize the correctness of cutover user backhaul traffic in the case where not changing the user gateway routing condition that original business router is issued, while guarantee that the backhaul traffic of non-cutover user is unaffected.
Description
Technical field
The present invention relates to the communications field, especially a kind of cut over method, apparatus and BAS Broadband Access Server.
Background technique
BAS Broadband Access Server (BRAS) mainly completes two aspect functions, first is that network carrying function；Second is that control is realized
Function: it is matched with Verification System, charge system and client management system and service strategy control system and realizes user's access
Certification, charging and management function；
At present telecommunications, connection, mobile major operator the network equipment have that layout is substantially stationary, and each network equipment is opened
The business of exhibition is also not quite similar.The equipment that operator has more price advantage to allow network equipment vendor to provide, and also to open
More, safer business is opened up, often requires that equipment is provided by multiple commercial vendors.If certain office point, equipment before is complete
There is provided by device manufacturer, present operator wants that another equipment vendor is added, while before not want to change again equipment configuration, only
Only newly added equipment can realize the part cutover of network service, and guarantee that the business for the user that cutover comes is unaffected, together
When existing equipment it is also unaffected.If it is the complete cutover of business, i.e. equipment is replaced, as long as new equipment can support existing equipment
Business can.If realizing same business cutover a part, for example, there is 2000 users in existing device before
On, therefrom cutover goes out on 1000 users to new equipment now, and guarantees in the feelings for not changing existing device configuration as far as possible
Under condition, operated normally while realizing the old and new's equipment.
Here, if not changing the configuration of existing equipment, certification and authorization letter of the existing subscriber on aaa server
Breath remains unchanged, i.e., be also to the IP address that user issues it is constant, since existing device has issued the net of the station address
Routing is closed, accordingly even when on subscriber installation to new equipment, then network side backhaul traffic can only also return on existing device.
Therefore, in order to guarantee that the accuracy of cutover user's backhaul traffic, the prior art need new for cutover user configuration
Gateway routing causes scheme to execute not convenient enough.
Summary of the invention
How the technical problem to be solved in the present invention is on the user gateway road for not changing original business router and being issued
In the case of, the correctness of cutover user backhaul traffic is realized.
In order to solve the above technical problems, the embodiment of the present invention provides a kind of cut over method, comprising:
Cutover operation is carried out to the user on the first business router, the user is made to be transferred to the second business router；
It configures second business router and sends the use to the core router of the first business router first line of a couplet
The secondary route at family, the of what the digit of the secondary route was greater than that the core router originally saved the correspond to user
One routing；
Wherein, the core router issues the flow of the user according to the longest match principle of routing.
Wherein, first business router and second business router are Broadband Remote Access Server.
Wherein, cutover operation is carried out to the user on the first business router, comprising:
Configuration operation is carried out to second business router, so that second business router carries out the user
Certification, and after the authentication has been successful, Xiang Suoshu user provides the user used IP address on the first business router.
Wherein, it configures second business router and sends institute to the core router of the first business router first line of a couplet
State the secondary route of user, comprising:
Determine whether the user has gateway；
It is then to configure second business router to regard the network segment routing of the user as the secondary route, concurrently
It send to the core router；
It is no, then it configures second business router and is that the user generates one 32 routing masks, and by the routing
Mask is sent to the core router as the secondary route.
In addition, another embodiment of the present invention also provides a kind of cut over device, comprising:
Cutover module turns the business of the user for carrying out cutover operation to the user on the first business router
Move to the second business router；
Configuration module is routed for configuring second business router to the core of the first business router first line of a couplet
Device sends the secondary route of the user, and the digit of the secondary route corresponds to greater than what the core router originally saved
The first via of the user by；
Wherein, the core router issues the flow of the user according to the longest match principle of routing.
Wherein, first business router and second business router are Broadband Remote Access Server.
Wherein, the cutover module includes:
First configuration submodule, for carrying out configuration operation to second business router, so that second business
Router authenticates the user, and after the authentication has been successful, and Xiang Suoshu user provides the user in the first business router
IP address used in upper.
Wherein, the configuration module, comprising:
Submodule is determined, for determining whether the user has gateway；
Second configuration submodule, if having gateway for the user, configuring second business router will be described
The network segment routing of user is used as the secondary route, and is sent to the core router；Otherwise, second business road is configured
It is that the user generates one 32 routing masks, and is sent to the core using the routing mask as the secondary route by device
Heart router.
In addition, another embodiment of the present invention also provides a kind of BAS Broadband Access Server, comprising:
Receiving module, for receiving the user to be come by the first business router cutover；
Sending module, for sending the secondary route for being directed to the user, the secondary route to the core router
Digit be greater than the first via corresponding to the user that originally saved of the core router by；
Wherein, the core router issues the flow of the user according to the longest match principle of routing.
Wherein, the BAS Broadband Access Server further include:
Authentication module, for being authenticated to the user, and after the authentication has been successful, Xiang Suoshu when the user is online
User provides the user used IP address on the first business router.
The advantageous effects of the above technical solutions of the present invention are as follows:
The solution of the present invention can be complete by it in the case where not changing the publication user gateway routing of the first business router
On portion user or a part of subscriber installation to the second business router, and enable core router by the stream of cutover user
Amount is correctly issued on the second business router.
Detailed description of the invention
Fig. 1 is the step schematic diagram of cut over method of the invention；
Fig. 2 is the schematic network structure for implementing cut over method of the invention；
Fig. 3 is the Detailed flow schematic diagram for implementing cut over method of the invention；
Fig. 4 is the structural schematic diagram for implementing cut over device of the invention；
Fig. 5 is the structural schematic diagram for implementing BAS Broadband Access Server of the invention；
Fig. 6 is the execution logical schematic of BAS Broadband Access Server of the invention.
Specific embodiment
To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool
Body embodiment is described in detail.
As shown in Figure 1, the embodiment of the present invention provides a kind of cut over method, comprising:
Step 11, cutover operation is carried out to the user on the first business router, the business of the user is made to be transferred to the
Two business routers；
Step 12, second business router is configured to send to the core router of the first business router first line of a couplet
The digit of the secondary route of the user, the secondary route corresponded to the use greater than what the core router originally saved
The first via at family by；
It should be noted that the first via that core router originally saved is as can be transmitted by the first business router
, before adding the second business router, core router is according to the first via by the flow of the user is issued to the first industry
Business router.After subscriber installation to the second business router, the second business router is higher to core router transmission digit
Secondary route, core router saves secondary route.It, can root when core router issues the flow of the user
According to the longest match principle of routing, the higher secondary route of digit is selected, therefore the flow of cutover user can be sent to second
Business router.At the same time, the other users that the non-cutover of the first business router is walked are unaffected, the stream of these users
It measures the same as before, is still sent on the first business router by core router.
As it can be seen that the method for the present embodiment can be the case where not changing the publication user gateway routing of the first business router
Under, by its whole user or a part of subscriber installation to the second business router, and enable core router that will cut
The flow for meeting user is correctly issued on the second business router.
Specifically, the business router of the present embodiment is specially Broadband Remote Access Server BRAS, is transferred in user
After second business router, need to issue IP address to cutover user again.In the prior art, the same of IP address is changed
When, it is also necessary to the configuration on corresponding change aaa server.Therefore, to avoid being modified to aaa server, in above-mentioned step
It is excellent in rapid 11 to need to carry out configuration operation to the second business router, authenticate the second business router to cutover user,
And after the authentication has been successful, the user originally used IP address on the first business router is provided to cutover user.
In addition, the preferred embodiment feasible but nonessential as one, can if cutting user has gateway for convenience of implementing
The network segment routing of user will directly be cut as secondary route, if routing without network segment, can paste Wei not cut user's generation 1 the
Two routings.That is, specifically determining whether the user has gateway in executing above-mentioned steps 12；It is then to configure second industry
Business router regard the network segment routing of the user as the secondary route, and is sent to the core router；It is no, then it configures
Second business router is the routing mask that the user generates one 32, and using the routing mask as second tunnel
By being sent to the core router.
It describes in detail below with reference to an implementation to the method for the present embodiment.
In this implementation, service server be specially BRAS (Broadband Remote Access Server, it is wide
Leased line service device), as illustrated in fig. 2, it is assumed that introducing a new BRAS equipment in existing net, divide to walk on the user 1 on former BRAS
All business (IP address of user 1 are as follows: 1.1.1.2), it is specifically that the process of subscriber installation is as shown in Figure 3, comprising:
The configuration of user 1 is converted to the configuration of new equipment, without configuring the gateway of user 1.
The second line of a couplet equipment of 1 business of user is transferred on new BRAS.As illustrated in fig. 2, it is assumed that second line of a couplet equipment is interchanger, and
(the corresponding VLAN1 of user 1, the corresponding VLAN2 of user 2) that business between a user is divided by VLAN, in this step, is then being handed over
It changes planes and configures VLAN1 on the port that upper interchanger is connect with new BRAS.
1 normal dialing of user, user 1 can not perceive any variation here.
After user 1 is online, message identifying is delivered on new BRAS.
New BRAS authenticates user 1 by aaa server, and still provides IP address as before to user 1
(1.1.1.2)。
New BRAS is according to Routing Protocol (such as open type shortest path priority protocol OSPF, link-state routing protocol
ISIS), a secondary route is generated for user 1, and notices the secondary route of user 1 to core router.
Core router CR locally saves the secondary route of user 1；Assuming that core router currently saves user 1 simultaneously
For the first via of former BRAS, by 1.1.0.1/16 and newly added secondary route 1.1.1.2/32, (first via is by 1.1.0.1/
16 be before user 1 is by cutover, from former BRAS to core routing device granting).
In user 2 (assuming that the address user DI is 1.1.1.1) access network development process on former BRAS, return packet is reached
After core router, core router query routing entry when, can be matched to 1.1.0.1/16, and the next-hop of the routing is
Former BRAS, so message can be correctly delivered on former BRAS；User 1 accesses in network development process, and return packet reaches core road
When by device, can be matched to when query routing entry 1.1.1.2/32 (neglecting 1.1.0.1/16), the routing it is next
Jump is new BRAS, so message can be correctly delivered on new BRAS；In this way, be achieved that the cutover of user 1, have no effect on
Former BRAS normally receives the backhaul traffic of user.
In addition, the embodiment of the present invention also provides a kind of cut over device, as shown in Figure 4, comprising:
Cutover module turns the business of the user for carrying out cutover operation to the user on the first business router
Move to the second business router；
Configuration module is routed for configuring second business router to the core of the first business router first line of a couplet
Device sends the secondary route of the user, and the digit of the secondary route corresponds to greater than what the core router originally saved
The first via of the user by；
Wherein, the core router issues the flow of the user according to the longest match principle of routing.
As it can be seen that the method for the present embodiment can be the case where not changing the publication user gateway routing of the first business router
Under, by its whole user or a part of subscriber installation to the second business router, and enable core router that will cut
The flow for meeting user is correctly issued on the second business router.
Wherein, first business router and second business router are Broadband Remote Access Server.
The cutover module further comprises:
Submodule is configured, for carrying out configuration operation to second business router, so that second business routes
Device authenticates the user, and after the authentication has been successful, and Xiang Suoshu user provides user institute on the first business router
The IP address used.
Obviously, the cut over device of the present embodiment is corresponding with cut over method provided by a upper embodiment,
Identical technical effect can be reached.
In addition, the embodiment of the present invention also provides a kind of BAS Broadband Access Server, as shown in Figure 5, comprising:
Receiving module, for receiving the user to be come by the first business router cutover；
Sending module, for sending the secondary route for being directed to the user, the secondary route to the core router
Digit be greater than the first via corresponding to the user that originally saved of the core router by；The first via is original by can be
What the first business router was sent for the user to core router.
Wherein, the core router issues the flow of the user according to the longest match principle of routing.
Further, the BAS Broadband Access Server of the present embodiment further include "
Authentication module, for being authenticated to the user, and after the authentication has been successful, Xiang Suoshu when the user is online
User provides the user used IP address on the first business router.
As shown in fig. 6, the BAS Broadband Access Server execution logic is as follows:
S1, the certification by aaa server completion user after online, and an IP address is specified after the authentication has been successful.
S2, judge whether user has gateway.
If S3, without gateway, when the user is online, a secondary route is generated specifically for the user.
S4, if there is gateway, then regard the routing of the network segment of the user as secondary route.
S5, the secondary route that the user is announced to core router, save core router.
S6, end.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, it can also make several improvements and retouch, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (7)
1. a kind of cut over method characterized by comprising
Cutover operation is carried out to the user on the first business router, the user is made to be transferred to the second business router；
It configures second business router and sends the user's to the core router of the first business router first line of a couplet
Secondary route, the digit of the secondary route are greater than the first via corresponding to the user that the core router originally saved
By；
Wherein, the core router issues the flow of the user according to the longest match principle of routing；
User on first business router carries out cutover operation, comprising:
Configuration operation is carried out to second business router, so that second business router recognizes the user
Card, and after the authentication has been successful, Xiang Suoshu user provides the user used IP address on the first business router.
2. the method according to claim 1, wherein first business router and second business road
It is Broadband Remote Access Server by device.
3. according to the method described in claim 2, it is characterized in that,
It configures second business router and sends the user's to the core router of the first business router first line of a couplet
Secondary route, comprising:
Determine whether the user has gateway；
It is then to configure second business router to regard the network segment routing of the user as the secondary route, and be sent to
The core router；
It is no, then it configures second business router and is that the user generates one 32 routing masks, and by the routing mask
The core router is sent to as the secondary route.
4. a kind of cut over device characterized by comprising
Cutover module is transferred to the business of the user for carrying out cutover operation to the user on the first business router
Second business router；
Configuration module is sent out for configuring second business router to the core router of the first business router first line of a couplet
Send the secondary route of the user, what the digit of the secondary route was greater than that the core router originally saved corresponds to described
The first via of user by；
Wherein, the core router issues the flow of the user according to the longest match principle of routing；
The cutover module includes:
First configuration submodule, for carrying out configuration operation to second business router, so that second business routes
Device authenticates the user, and after the authentication has been successful, and Xiang Suoshu user provides user institute on the first business router
The IP address used.
5. device according to claim 4, which is characterized in that
First business router and second business router are Broadband Remote Access Server.
6. device according to claim 5, which is characterized in that
The configuration module, comprising:
Submodule is determined, for determining whether the user has gateway；
Second configuration submodule configures second business router for the user if having gateway for the user
Network segment routing be used as the secondary route, and be sent to the core router；Otherwise, second business router is configured
One 32 routing masks are generated for the user, and are sent to the core road for the routing mask as the secondary route
By device.
7. a kind of BAS Broadband Access Server characterized by comprising
Receiving module, for receiving the user to be come by the first business router cutover；
Sending module, for sending the secondary route for being directed to the user to core router, the digit of the secondary route is big
In the first via corresponding to the user that the core router originally saved by；
Wherein, the core router issues the flow of the user according to the longest match principle of routing；
The BAS Broadband Access Server further include:
Authentication module, for being authenticated to the user, and after the authentication has been successful, Xiang Suoshu user when the user is online
Provide the user used IP address on the first business router.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410827515.9A CN105790993B (en) | 2014-12-25 | 2014-12-25 | A kind of cut over method, apparatus and BAS Broadband Access Server |
| PCT/CN2015/076000 WO2016101437A1 (en) | 2014-12-25 | 2015-04-07 | Method and device for service cutover and wide-band access server |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410827515.9A CN105790993B (en) | 2014-12-25 | 2014-12-25 | A kind of cut over method, apparatus and BAS Broadband Access Server |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105790993A CN105790993A (en) | 2016-07-20 |
| CN105790993B true CN105790993B (en) | 2019-09-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410827515.9A Active CN105790993B (en) | 2014-12-25 | 2014-12-25 | A kind of cut over method, apparatus and BAS Broadband Access Server |
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| Country | Link |
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| CN (1) | CN105790993B (en) |
| WO (1) | WO2016101437A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107018014A (en) * | 2017-03-14 | 2017-08-04 | 烽火通信科技股份有限公司 | It is a kind of based on circuit configure to flash cut method |
| CN112202586B (en) * | 2019-07-08 | 2022-08-05 | 中国移动通信集团贵州有限公司 | Operation authentication method, device and system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7058007B1 (en) * | 2000-01-18 | 2006-06-06 | Cisco Technology, Inc. | Method for a cable modem to rapidly switch to a backup CMTS |
| CN101494551A (en) * | 2008-01-22 | 2009-07-29 | 华为技术有限公司 | Method, apparatus and system for business cutover |
| CN101567806A (en) * | 2008-12-26 | 2009-10-28 | 华为技术有限公司 | Cutover method, device and system of network equipment |
| CN101772221A (en) * | 2010-02-05 | 2010-07-07 | 中兴通讯股份有限公司 | Method for finishing smooth cleft grafting and cleft grafting operation executing equipment and devices |
-
2014
- 2014-12-25 CN CN201410827515.9A patent/CN105790993B/en active Active
-
2015
- 2015-04-07 WO PCT/CN2015/076000 patent/WO2016101437A1/en active Application Filing
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7058007B1 (en) * | 2000-01-18 | 2006-06-06 | Cisco Technology, Inc. | Method for a cable modem to rapidly switch to a backup CMTS |
| CN101494551A (en) * | 2008-01-22 | 2009-07-29 | 华为技术有限公司 | Method, apparatus and system for business cutover |
| CN101567806A (en) * | 2008-12-26 | 2009-10-28 | 华为技术有限公司 | Cutover method, device and system of network equipment |
| CN101772221A (en) * | 2010-02-05 | 2010-07-07 | 中兴通讯股份有限公司 | Method for finishing smooth cleft grafting and cleft grafting operation executing equipment and devices |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105790993A (en) | 2016-07-20 |
| WO2016101437A1 (en) | 2016-06-30 |
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