CN100442735C - Dynamic configuration insertion terminal realizing method - Google Patents
Dynamic configuration insertion terminal realizing method Download PDFInfo
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- CN100442735C CN100442735C CNB2005100816167A CN200510081616A CN100442735C CN 100442735 C CN100442735 C CN 100442735C CN B2005100816167 A CNB2005100816167 A CN B2005100816167A CN 200510081616 A CN200510081616 A CN 200510081616A CN 100442735 C CN100442735 C CN 100442735C
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Abstract
A method for dynamically configuring access terminal includes sending DHCP server address information to access terminal by access service device when access terminal is switched in network through access service device, then obtaining configuration parameter from DHCP server by access terminal according to DHCP server address.
Description
Technical field
The present invention relates to network communications technology field, relate in particular to the implementation method that a kind of dynamic-configuration accesses terminal.
Background technology
Along with the development of broadband access technology, also more and more based on the business that broadband IP network is carried out.Usually user terminal needs some relevant configuration parameters of configuration on terminal in advance in order to activate the service, as the IP address, and gateway address, DNS (domain name system) server address, etc.
User terminal needed access network before the use business, common access way has two kinds: PPP (point-to-point protocol) and DHCP (DHCP).
Insert for PPP, as shown in Figure 1, user terminal is connected to the PPP server by Access Network, described PPP server can be RAS (remote access server), BRAS (Broadband Remote Access Server), ER equipment such as (edge routers), the PPP server is used to the ppp protocol that terminates, and the IP datagram literary composition of user terminal is forwarded to core network.
At present, can know described configuration parameter information in order to guarantee user terminal, employing be that the mode of manual configuration realizes.Be specially: before activating the service, operator or user be by the method for manual configuration, and the relevant configuration parameter of needs is configured on the terminal.
Obviously, if by operator's manual configuration, then the workload of operator will increase greatly, thereby will increase its operation cost; And if,, therefore, cause the as easy as rolling off a log situation that configuration error occurs, thereby traffic affecting is in time open-minded then because layoutprocedure is had relatively high expectations to user's operational capacity by user's configuration.
The relevant configured parameter configuration mode that the present another kind that adopts accesses terminal is: PPP is only as the link layer passage, and IP address and other configuration parameter information are distributed by Dynamic Host Configuration Protocol server.
This mode can realize the dynamic-configuration of described configuration parameter information, but the realization of this scheme need define the mode of PPP carrying DHCP, and is therefore bigger to the prior network device change, promptly needs the software and hardware of equipment is carried out upgrading processing.
Summary of the invention
In view of above-mentioned existing in prior technology problem, the purpose of this invention is to provide the implementation method that a kind of dynamic-configuration accesses terminal, need not to define the method for PPP carrying DHCP, only need carry out very little software alteration to the network equipment.Thereby can dynamically obtain relevant configuration parameter information comparatively easily so that access terminal.
The objective of the invention is to be achieved through the following technical solutions:
The implementation method that a kind of dynamic-configuration accesses terminal comprises:
A, when accessing terminal by access service equipment access network, and when consulting network layer parameter with described access service equipment, send the message of request network layer parameter to described access service equipment, after described access service equipment receives this message, described IP address that accesses terminal and dynamic host configuration protocol DHCP server address information-bearing are sent to described accessing terminal in response message;
B, described accessing terminal according to described Dynamic Host Configuration Protocol server address are obtained the described configuration parameter information that accesses terminal from Dynamic Host Configuration Protocol server.
Described access service equipment comprises:
BAS Broadband Access Server or edge router.
This method also comprised before execution in step A1:
Access terminal behind the access network, at first consult link layer parameter, and set up corresponding communication links with access service equipment.
Described steps A comprises:
Access service equipment sends to described Dynamic Host Configuration Protocol server address information and accesses terminal by internet control protocol IPCP message.
This method also comprised before execution in step A1:
With the Dynamic Host Configuration Protocol server address configuration in access service equipment;
Perhaps,
In remote equipment, described access service equipment obtains described Dynamic Host Configuration Protocol server address information to remote equipment is long-range with the Dynamic Host Configuration Protocol server address configuration.
Described step B comprises:
B1, accessing terminal sends the request message obtain this configuration parameter that accesses terminal according to described Dynamic Host Configuration Protocol server address to Dynamic Host Configuration Protocol server;
After B2, Dynamic Host Configuration Protocol server receive described request message, the corresponding configuration parameters information-bearing is sent to described accessing terminal in the configuration parameter response message.
Described access terminal for: point-to-point protocol PPP accesses terminal.
Described PPP is:
Based on the point-to-point protocol PPPoE of Ethernet or based on the point-to-point protocol PPPoA of asynchronous transfer mode.
As seen from the above technical solution provided by the invention, the present invention provides a kind of method of dynamically obtaining configuration parameter for the terminal based on the PPP access way, this method can alleviate the configuration effort amount in the service dispense process, saves operating cost of operator.
Simultaneously, realization of the present invention is changed less to the network equipment, less to the influence of network.
Description of drawings
Fig. 1 is a PPP access network networking schematic diagram;
Fig. 2 is the processing procedure schematic diagram of method of the present invention;
Fig. 3 is the flow chart of method of the present invention.
Embodiment
Core of the present invention is initiatively the Dynamic Host Configuration Protocol server address to be handed down to by access service equipment (access server or edge router) to access terminal, access terminal and obtain corresponding configuration parameters information to Dynamic Host Configuration Protocol server according to described Dynamic Host Configuration Protocol server address, thereby saved the trouble that manually disposes relevant parameter, effectively reduced configuration effort amount at user terminal to user terminal.
Method of the present invention comprises as shown in Figure 2:
Step 21: finish the negotiation of link layer parameter between user terminal and access service equipment (ER/BRAS) by the LCP stage, set up communication link;
Step 22:ER/BRAS is handed down to IP address of terminal and Dynamic Host Configuration Protocol server address and accesses terminal by ncp stage, i.e. user terminal;
Step 23: user terminal sends the request message (clean culture) that obtains relevant configuration parameter information to Dynamic Host Configuration Protocol server;
Step 24:DHCP server is handed down to user terminal with corresponding configuration parameters information after receiving described request message.
Through said process, relevant user terminals has just been finished the process that the automatic dynamic of relevant configuration parameter information is obtained, and can carry out corresponding business.
For the present invention there being further understanding, be described in further detail below in conjunction with the specific implementation of accompanying drawing to method of the present invention.
As shown in Figure 3, method of the present invention specifically comprises:
Step 31: with the Dynamic Host Configuration Protocol server address configuration on access service equipment;
Described access service equipment specifically can comprise: BAS Broadband Access Server BRAS or edge router ER;
Described Dynamic Host Configuration Protocol server address can be configured in the remote equipment, and at this moment, described access server need obtain described Dynamic Host Configuration Protocol server address information to remote equipment is long-range;
With the PPP access way is example, and described Dynamic Host Configuration Protocol server address parameter can be configured in (as BRAS and ER) on the PPP server, also can be configured in other the server, is obtained by some agreement by the PPP server.
Step 32: when accessing terminal, consult the network layer parameter stage, just can the Dynamic Host Configuration Protocol server address information be sent to and access terminal by access service equipment at itself and access service equipment by access service equipment access network;
Be example with the PPP access way still, comprise that LCP (LCP) consults and NCP (Network Control Protocol) consults two stages: in the LCP stage, PPP accesses terminal and the server negotiate link layer parameter, sets up communication link; In ncp stage, PPP accesses terminal and the server negotiate network layer parameter, and for IP-based application, the IPCP agreement can be used for to the relevant parameter of terminal configuration IP agreement;
Therefore, the concrete processing procedure of this step can comprise:
Step 321: user terminal powers on, and initiates PPP and inserts request, and behind the access network, at first pass through LCP protocol negotiation link layer parameter with access server (being the PPP server), and set up corresponding communication links;
Step 322: accessing terminal to PPP server transmission IPCP request message, promptly asking the message of network layer parameter, consulting the IP layer parameter, comprising IP address, Dynamic Host Configuration Protocol server address;
Step 323:PPP server receives after the described message network layer parameter (IP address), Dynamic Host Configuration Protocol server address be carried on to send in the IPCP response message and accesses terminal;
Specifically can expand the IPCP agreement, to realize the automatic configuration to the Dynamic Host Configuration Protocol server address, the extended field content is: IPCP.configuration options (IPCP config option) is by this field carrying Dynamic Host Configuration Protocol server address;
Step 33: access terminal obtain described Dynamic Host Configuration Protocol server address after, just can utilize described Dynamic Host Configuration Protocol server address to send the configuration parameter request message, to the relevant configuration parameter information of Dynamic Host Configuration Protocol server application to Dynamic Host Configuration Protocol server;
After step 34:DHCP server receives described request message, relevant configuration parameter information parameter response message is handed down to described accessing terminal.
Among the present invention, access terminal for the PPP that supports above-mentioned expansion, the ppp protocol that it adopts may be carried on the different underlying protocols, as PPPoE (being carried on the PPP of Ethernet), PPPoA (based on the PPP of ATM), or the like.
In sum, the present invention provides a kind of method of dynamically obtaining configuration parameter for accessing terminal of PPP access way, and is very little to network equipment influence, can alleviate the configuration effort amount in the service dispense process, saves operation cost.
The above; only for the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.
Claims (8)
1, the implementation method that accesses terminal of a kind of dynamic-configuration is characterized in that, comprising:
A, when accessing terminal by access service equipment access network, and when consulting network layer parameter with described access service equipment, send the message of request network layer parameter to described access service equipment, after described access service equipment receives this message, described IP address that accesses terminal and dynamic host configuration protocol DHCP server address information-bearing are sent to described accessing terminal in response message;
B, described accessing terminal according to described Dynamic Host Configuration Protocol server address are obtained the described configuration parameter information that accesses terminal from Dynamic Host Configuration Protocol server.
2, the implementation method that accesses terminal of dynamic-configuration according to claim 1 is characterized in that described access service equipment comprises:
BAS Broadband Access Server or edge router.
3, the implementation method that accesses terminal of dynamic-configuration according to claim 1 is characterized in that this method also comprised before execution in step A:
Access terminal behind the access network, at first consult link layer parameter, and set up corresponding communication links with access service equipment.
4, the implementation method that accesses terminal of dynamic-configuration according to claim 1 is characterized in that described steps A comprises:
Access service equipment sends to the described IP address that accesses terminal and Dynamic Host Configuration Protocol server address information and accesses terminal by internet control protocol IPCP message.
5, the implementation method that accesses terminal of dynamic-configuration according to claim 1 is characterized in that this method also comprised before execution in step A:
With the Dynamic Host Configuration Protocol server address configuration in access service equipment;
Perhaps,
In remote equipment, described access service equipment obtains described Dynamic Host Configuration Protocol server address information to remote equipment is long-range with the Dynamic Host Configuration Protocol server address configuration.
6, the implementation method that accesses terminal according to each described dynamic-configuration of claim 1 to 5 is characterized in that described step B comprises:
B1, accessing terminal sends the request message obtain this configuration parameter that accesses terminal according to described Dynamic Host Configuration Protocol server address to Dynamic Host Configuration Protocol server;
After B2, Dynamic Host Configuration Protocol server receive described request message, the corresponding configuration parameters information-bearing is sent to described accessing terminal in the configuration parameter response message.
7, the implementation method that accesses terminal of dynamic-configuration according to claim 6 is characterized in that, described access terminal for: point-to-point protocol PPP accesses terminal.
8, the implementation method that accesses terminal of dynamic-configuration according to claim 7 is characterized in that described PPP is:
Based on the point-to-point protocol PPPoE of Ethernet or based on the point-to-point protocol PPPoA of asynchronous transfer mode.
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| CNB2005100816167A CN100442735C (en) | 2005-06-30 | 2005-06-30 | Dynamic configuration insertion terminal realizing method |
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| CNB2005100816167A CN100442735C (en) | 2005-06-30 | 2005-06-30 | Dynamic configuration insertion terminal realizing method |
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| CN1889487A CN1889487A (en) | 2007-01-03 |
| CN100442735C true CN100442735C (en) | 2008-12-10 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101447887B (en) * | 2007-11-27 | 2012-06-27 | 华为技术有限公司 | Method for user on-line notification and device thereof |
| CN106789165A (en) * | 2016-11-28 | 2017-05-31 | 上海斐讯数据通信技术有限公司 | The network configuration system and method for a kind of batch cloud terminal device |
| CN108667638B (en) * | 2017-03-28 | 2020-11-06 | 华为技术有限公司 | Network service configuration method and network management equipment |
| CN114697965B (en) * | 2020-12-30 | 2024-02-20 | 展讯半导体(南京)有限公司 | Configuration method and device of access equipment, storage medium, access equipment and server |
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| WO2001050292A1 (en) * | 1999-12-30 | 2001-07-12 | Next Level Communications | Proxy methods for ip address assignment and universal access mechanism |
| CN1437360A (en) * | 2002-02-07 | 2003-08-20 | 华为技术有限公司 | Method for the point-to-point protocol log-on user to obtain Internet protocol address |
| CN1482806A (en) * | 2002-09-13 | 2004-03-17 | 深圳市中兴通讯股份有限公司 | Method for supporting asymmetrie digital subscriber line access in embedded operating system |
| CN1549546A (en) * | 2003-05-09 | 2004-11-24 | 中兴通讯股份有限公司 | Apparatus and method for realizing PPPOE user dynamic obtaining IP address utilizing DHCP protocol |
| CN1567887A (en) * | 2003-07-07 | 2005-01-19 | 华为技术有限公司 | Method for triggering user IP address assignment |
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- 2005-06-30 CN CNB2005100816167A patent/CN100442735C/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001050292A1 (en) * | 1999-12-30 | 2001-07-12 | Next Level Communications | Proxy methods for ip address assignment and universal access mechanism |
| CN1437360A (en) * | 2002-02-07 | 2003-08-20 | 华为技术有限公司 | Method for the point-to-point protocol log-on user to obtain Internet protocol address |
| CN1482806A (en) * | 2002-09-13 | 2004-03-17 | 深圳市中兴通讯股份有限公司 | Method for supporting asymmetrie digital subscriber line access in embedded operating system |
| CN1549546A (en) * | 2003-05-09 | 2004-11-24 | 中兴通讯股份有限公司 | Apparatus and method for realizing PPPOE user dynamic obtaining IP address utilizing DHCP protocol |
| CN1567887A (en) * | 2003-07-07 | 2005-01-19 | 华为技术有限公司 | Method for triggering user IP address assignment |
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