CN101677279A - LAN device, gateway and association method thereof - Google Patents
LAN device, gateway and association method thereof Download PDFInfo
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- CN101677279A CN101677279A CN200810213594A CN200810213594A CN101677279A CN 101677279 A CN101677279 A CN 101677279A CN 200810213594 A CN200810213594 A CN 200810213594A CN 200810213594 A CN200810213594 A CN 200810213594A CN 101677279 A CN101677279 A CN 101677279A
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Abstract
The invention provides an LAN (local area network) device, a gateway and an association method thereof. The association method comprises the following steps: carrying a specified identifier in the associated message of a dynamic host configuration protocol (DHCP) sent to the gateway in the LAN device; detecting whether the received DHCP message contains the specified identifier or not; identifyingthe specified gateway according to the detected specified identifier; and associating the LAN device with the specified gateway. The embodiment of the invention can solve the problem that a device cannot be associated with a gateway under the condition that the network is provided with multiple DHCP servers.
Description
Technical field
The present invention relates to broadband access technology, particularly relate to the coupled gateway of a kind of lan device and carry out related technology.
Background technology
Digital subscriber line (DSL, Digital Subscriber Line) be a kind of broadband access technology, huge numbers of families' (its classical group net mode is seen Fig. 1) have extensively been entered, brought far-ranging broadband technology to use thus, for example VoIP, IPTV etc. are at the various IP-based application terminal of being combined to form of these application or application device type.These IP application terminals that enter family are called customer premises equipment, CPE (CPE) in DSL forum.Automatic Configuration Server (ACS, Auto-configuration Server) is responsible for CPE is disposed automatically, does not need the user that CPE is set to reach, the purpose that CPE just can operate as normal.ACS uses remote procedure call (RPC, Remote Procedure Call Protocol) method to realize the modification of CPE parameter and setting.
The TR-069 standard of present DSL forum, define the direct gateway that is connected with Digital Subscriber Line path multiplexer (DSLAM) by the process that ACS finishes automatic configuration and management, also defined the equipment (as IPTV) that is positioned at local area network (LAN) is finished automatic configuration and management by ACS process.
In the TR-069 standard, lan device carries out related with coupled gateway, ACS not only can realize configuration automatically to lan device, can also on gateway, do corresponding configuration at the business of lan device for the business of equipment, such as corresponding service quality (QoS) strategy is set for the service of lan device, with the service of satisfying lan device requirement to QoS.
In existing TR-069 standard, the association process of lan device and gateway is summarized as follows:
A. equipment is issued gateway by DHCP (DHCP) Option (option) of manufacturer's appointment with device id.After gateway obtained this information, it can generate a table that comprises device id information in the local area network (LAN).
B. in the dhcp response process, gateway offers equipment with the gateway ID of oneself, and equipment is notified to ACS with gateway ID.
C. in order to ensure the validity of the information that transmits in those intrinsic unsafe DHCP exchanges originally, the validity of the gateway ID that is provided by equipment should be provided by the device id that check is provided by gateway ACS.
Device id by DHCP agreement exchange and gateway ID must be included in V-I manufacturer and indicate in the DHCP option of customizing messages (V-I Vendor-Specific Information DHCP Option), this option (Option) has definition in RFC3925, the option coding is 125.Define this DHCP option and obtain vendor specific information there from a plurality of independent bodies in order that support.
Fig. 2 is in the TR-069 standard, and lan device and gateway are set up the process of incidence relation by the related message of DHCP (message such as DHCP Discover).As shown in Figure 2, concrete steps are as follows:
Step 201. equipment is searched Dynamic Host Configuration Protocol server by DHCP discovery (DHCP Discover) message earlier, has comprised device id in the DHCP Discover message.
Step 202. gateway provides at the DHCP of gateway response apparatus in (DHCP Offer) message to include gateway ID after receiving the DHCP Discover message that equipment sends.
Step 203. equipment sends request message by DHCP request (DHCP Request) message to gateway, has comprised device id in the DHCP Request message.
Step 204. gateway after the DHCP Request message that the equipment of receiving sends, but device id is joined in the tabulation of its management equipment, comprise recording equipment ID.
Step 205. gateway sends DHCP and confirms that (DHCP Ack) message to equipment, has comprised gateway ID in this DHCP Ack message.
As above in the step, in network, exist under the situation of a plurality of Dynamic Host Configuration Protocol server, lan device can receive the DHCP Offer message that a plurality of Dynamic Host Configuration Protocol server send, it is the gateway id information that equipment can't be discerned the information which DHCP Offer message carries in these a plurality of DHCP Offer messages, can't determine that promptly which DHCP Offer message is that gateway sends, thereby can't be related with gateway.
Summary of the invention
The method that provides a kind of lan device related with gateway is provided one of purpose of the embodiment of the invention, has under the situation of a plurality of Dynamic Host Configuration Protocol server the problem that equipment and gateway can't be related to solve in the network.
Another purpose of the embodiment of the invention is to provide the lan device of a kind of TR-069 of support, solving identification to gateway, and also can be related under the situation of a plurality of Dynamic Host Configuration Protocol server thereby in network, exist with gateway.
Another purpose of the embodiment of the invention is to provide the gateway of a kind of TR-069 of support, so that lan device can be discerned gateway when related with gateway, thereby can set up association.
To achieve these goals, the lan device of one embodiment of the invention method related with gateway comprises:
Described lan device carries specific identifier in the related message of the dynamic host configuration protocol DHCP that sends to gateway;
Detect the described specific identifier that whether comprises in the DHCP message that receives,, set up related with described gateway according to detected described specific identifier identification gateway.
The lan device of another embodiment of the present invention method related with gateway comprises:
Reception is from the dynamic host configuration protocol DHCP message of lan device, detect the DHCP message that receives and whether comprise specific identifier, if detect described specific identifier, send the DHCP message of response, and related with described lan device foundation, carry described specific identifier in the DHCP message of described response.
The lan device of the support TR-069 of the embodiment of the invention comprises:
The message issue unit is used to send the dynamic host configuration protocol DHCP message, and carries specific identifier in this DHCP message;
The gateway recognition unit, whether the DHCP message that is used to detect reception comprises described specific identifier, according to detected described specific identifier identification gateway, and sets up related with described gateway.
The gateway of the support TR-069 standard of the embodiment of the invention comprises:
The message receiving element is used to receive the dynamic host configuration protocol DHCP message from lan device;
The message issue unit, be used for detecting the specific identifier whether the DHCP message of reception comprises,, send the DHCP message of response if detect described specific identifier, and related with described lan device foundation, carry described specific identifier in the DHCP message of described response.
The embodiment of the invention has solved and has existed in the network under the situation of a plurality of Dynamic Host Configuration Protocol server, and equipment can't the problem related with gateway.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, does not constitute limitation of the invention.In the accompanying drawings:
Fig. 1 is the schematic diagram of existing digital subscriber line networking;
Fig. 2 is that lan device is set up related process schematic diagram with gateway in the prior art;
Fig. 3 is that the lan device of one embodiment of the invention is set up related process schematic diagram with gateway;
Fig. 4 is that the lan device of another embodiment of the present invention is set up related process schematic diagram with gateway.
Embodiment
In the related message of the DHCP that equipment and gateway send, comprise unified identification information in the embodiment of the invention.Equipment and gateway just can be discerned each other according to the unified identification information in the message that receives like this, thereby carry out association.
Embodiment 1
Lan device and gateway carry out in the mutual message of DHCP, except carrying DHCP Option 125 (V-I Vendor-Specific Information) option, carry therein outside device id/gateway ID; Also to carry DHCP Option 60 (Vendor Class Identifier, the vender class sign) option, carry specific identifier (this specific identifier is the unified sign for appointing in advance for example, below all use character string " dslforum.org " as an example) therein.Indicating the DHCP message in this way, to be used for carrying out equipment related with gateway.Support the equipment and concrete related process such as the Fig. 3 of gateway of TR-069 in the network, specifically comprise the steps:
Step 301: equipment sends broadcasting packet DHCP Discover message, and wherein except carrying DHCPOption 125 (carrying device id), this is a prior art; Also to carry DHCP Option 60 (carrying the sign of appointing in advance " dslforum.org "), be used for marking equipment and support TR-069, and attempt related with the support TR-069 gateway that may exist in the network.
Step 302: the DHCP Discover message that the equipment that gateway receives analysis sends, detect and wherein whether contain sign " dslforum.org " and device id.If have, then carry out step 303; Otherwise process ends.
Step 3: gateway sends DHCP Offer message, wherein except carrying DHCP Option 125 (carrying gateway ID), also will carry DHCP Option 60 (carrying sign " dslforum.org ").Showing that gateway supports TR-069, and attempt to carry out related with equipment.
Step 304: if there are a plurality of Dynamic Host Configuration Protocol server in the network, equipment may be received the DHCP Offer message from a plurality of Dynamic Host Configuration Protocol server, wherein comprises the DHCP Offer message that gateway sends.Equipment detects and wherein whether contains sign " dslforum.org " and gateway ID in each the DHCP Offer message that receives.If have, then accept the DHCP Offer message that gateway sends, and carry out step 305; If no, process ends then.
Step 305: equipment sends broadcasting packet DHCP Request message at the DHCP Offer message of gateway, wherein except carrying DHCP Option 125 (carrying device id), also will carry DHCP Option60 (carrying sign " dslforum.org "), it is related with gateway to illustrate that this message is used for carrying out equipment.
Step 306: gateway detects and wherein whether contains sign " dslforum.org " and device id behind the DHCP Request message that receives from equipment.If have, then preserve device id, and carry out step 307; Otherwise process ends.
Step 307: gateway sends DHCP Ack message, wherein except carrying DHCP Option 125 (carrying gateway ID), also will carry DHCP Option 60 (carrying sign " dslforum.org ").
Step 308: equipment detects and wherein whether contains sign " dslforum.org " and gateway ID behind the DHCP Ack message that receives from gateway.If have, then preserve gateway ID; If no, process ends then.
Can realize the related of lan device and gateway by above-mentioned steps, and solve in the network of prior art and exist under the situation of a plurality of Dynamic Host Configuration Protocol server that equipment can't the problem related with gateway.
Embodiment 2
Equipment and gateway carry out in the mutual message of DHCP, carry DHCP Option 125 (V-IVendor-Specific Information) option, except carrying device id/gateway ID therein, also to carry specific identifier (this specific identifier is the unified sign for appointing in advance for example, below all use character string " dslforum.org " as an example) therein.Indicating the DHCP message in this way, to be used for carrying out equipment related with gateway.The concrete related process of the equipment of supporting TR-069 in the network of present embodiment and gateway specifically comprises the steps: as shown in Figure 4
Step 401: equipment sends broadcasting packet DHCP Discover message, carries DHCP Option 125 (carrying device id) therein, and this is a prior art; Also in DHCP Option 125, carry the sign of appointing in advance " dslforum.org ", be used for marking equipment and support TR-069, and attempt related with the support TR-069 gateway that may exist in the network.
Step 402: the DHCP Discover message that the equipment that gateway receives analysis sends, detect and wherein whether contain sign " dslforum.org " and device id.If have, then carry out step 403; Otherwise process ends.
Step 3: gateway sends DHCP Offer message, carries DHCP Option 125 (carrying device id) therein, also will carry the sign of appointing in advance " dslforum.org " in DHCP Option 125.Showing that gateway supports TR-069, and attempt to carry out related with equipment.
Step 404: if there are a plurality of Dynamic Host Configuration Protocol server in the network, equipment may be received the DHCP Offer message from a plurality of Dynamic Host Configuration Protocol server, wherein comprises the DHCP Offer message that gateway sends.Equipment detects and wherein whether contains sign " dslforum.org " and gateway ID in each the DHCP Offer message that receives.If have, then accept the DHCP Offer message that gateway sends, and carry out step 405; If no, process ends then.
Step 405: equipment sends broadcasting packet DHCP Request message at the DHCP Offer message of gateway, carry DHCP Option 125 (carrying device id) therein, also will carry the sign of appointing in advance " dslforum.org " in DHCP Option 125, it is related with gateway to illustrate that this message is used for carrying out equipment.
Step 406: gateway detects and wherein whether contains sign " dslforum.org " and device id behind the DHCP Request message that receives from equipment.If have, then preserve device id, and carry out step 407; Otherwise process ends.
Step 407: gateway sends DHCP Ack message, carries DHCP Option 125 (carrying device id) therein, also will carry the sign of appointing in advance " dslforum.org " in DHCP Option 125.
Step 408: equipment detects and wherein whether contains sign " dslforum.org " and gateway ID behind the DHCP Ack message that receives from gateway.If have, then preserve gateway ID; If no, process ends then.
Can realize the related of equipment and gateway by above-mentioned steps, and solve under the situation that has a plurality of Dynamic Host Configuration Protocol server, the problem that equipment and gateway can't be related.
One of ordinary skill in the art will appreciate that all or part of step that realizes in the foregoing description method can instruct relevant hardware to finish by program, this program can be stored in the computer read/write memory medium, such as ROM/RAM, magnetic disc, CD etc.
As above in the method for embodiment 1 and embodiment 2, support the lan device of TR-069 standard to comprise:
The message issue unit is used to send the dynamic host configuration protocol DHCP message, and carries device id and specific identifier in this DHCP message;
The gateway recognition unit, be used to receive the DHCP message, and detect in the DHCP message that receives whether comprise this specific identifier equally, support the gateway of TR-069 standard according to detected this specific identifier identification, and set up related with the gateway of described support TR-069 standard.
Concrete, described message issue unit sends DHCP and finds message, and this DHCP finds to carry device id and described specific identifier in the message;
Described gateway recognition unit detects the DHCP that receives message is provided, and provides according to detected this DHCP and carries the gateway that the TR-069 standard is supported in described specific identifier identification in the message;
Described message issue unit sends the DHCP request message, carries device id and described specific identifier in this DHCP request message;
Described gateway recognition unit receives according to carrying described specific identifier in detected this DHCP confirmation message and preserves gateway ID in this DHCP confirmation message by the memory cell of described lan device.
As above in the method for embodiment 1 and embodiment 2, support the gateway of TR-069 standard to comprise:
The message receiving element is used to receive the dynamic host configuration protocol DHCP message from lan device;
The message issue unit is used for detecting the DHCP message that receives and whether comprises specific identifier and device id, sends the DHCP message of response according to detected specific identifier and device id, and carry gateway ID and specific identifier in the DHCP of this response message.
Concrete, described message receiving element receives DHCP and finds message;
Described message issue unit detects specific identifier and the local area network (LAN) device id that whether comprises in the described DHCP discovery message, when detecting described specific identifier and local area network (LAN) device id, send DHCP message is provided, this DHCP provides and carries gateway ID and described specific identifier in the message;
Described message receiving element receives the DHCP request message from lan device; And
Described message issue unit detects specific identifier and the local area network (LAN) device id that whether comprises in the described DHCP request message, when detecting described specific identifier and local area network (LAN) device id, preserve lan device ID in this DHCP request message by the memory cell of gateway, and return the DHCP confirmation message to described lan device, carry gateway ID and described specific identifier in this DHCP confirmation message.
Above-described specific embodiment; purpose of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the above only is specific embodiments of the invention; and be not intended to limit the scope of the invention; within the spirit and principles in the present invention all, any modification of being made, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (20)
1. the method that lan device is related with gateway is characterized in that, this method comprises:
Described lan device carries specific identifier in the related message of the dynamic host configuration protocol DHCP that sends to gateway;
Detect the described specific identifier that whether comprises in the DHCP message that receives,, set up related with described gateway according to detected described specific identifier identification gateway.
2. method according to claim 1 is characterized in that:
Carry DHCP option 125 in the DHCP message that described lan device sends, described specific identifier is included in the described DHCP option 125.
3. method according to claim 1 is characterized in that:
Carry DHCP option 125 and DHCP option 60 in the DHCP message that described lan device sends, described specific identifier is included in the described DHCP option 60.
4. method according to claim 1 is characterized in that:
Described gateway is for supporting the gateway of TR-069 standard.
5. according to any described method among the claim 1-4, it is characterized in that described method specifically comprises:
Described lan device sends DHCP and finds message, and this DHCP finds to carry lan device ID and described specific identifier in the message;
Receive DHCP message is provided, provide and carry described specific identifier and gateway ID in the message, then judge to have particular gateway if detect this DHCP;
Described lan device sends the DHCP request message, carries lan device ID and described specific identifier in this DHCP request message;
Receive the DHCP confirmation message, carry described specific identifier and gateway ID in this DHCP confirmation message, then preserve the gateway ID in this DHCP confirmation message if detect.
6. method according to claim 1 is characterized in that, described specific identifier is the character string of immobilized substance.
7. the method that gateway is related with lan device is characterized in that, this method comprises:
Reception is from the dynamic host configuration protocol DHCP message of lan device, detect the DHCP message that receives and whether comprise specific identifier, if detect described specific identifier, send the DHCP message of response, and related with described lan device foundation, carry described specific identifier in the DHCP message of described response.
8. method according to claim 7 is characterized in that:
Carry DHCP option 125 in the DHCP message of described response, described specific identifier is included in the described DHCP option 125.
9. method according to claim 7 is characterized in that:
Carry DHCP option 125 and DHCP option 60 in the DHCP message of described response, described specific identifier is included in the described DHCP option 60.
10. method according to claim 7 is characterized in that:
Described gateway is for supporting the gateway of TR-069 standard.
11., it is characterized in that described method specifically comprises according to any described method among the claim 7-10:
Receive DHCP and find message;
Detect the DHCP that receives and find message, when detected described DHCP finds to comprise described specific identifier and local area network (LAN) device id in the message, send DHCP message is provided, this DHCP provides and carries gateway ID and described specific identifier in the message;
Receive and detect DHCP request message, in detected this DHCP request message, carry described specific identifier and device id, preserve the lan device ID in this DHCP request message from lan device; And
Return the DHCP confirmation message to described lan device, carry gateway ID and described specific identifier in this DHCP confirmation message.
12. method according to claim 7 is characterized in that, described specific identifier is the character string of immobilized substance.
13. a lan device is characterized in that, this equipment comprises:
The message issue unit is used to send the dynamic host configuration protocol DHCP message, and carries specific identifier in this DHCP message;
The gateway recognition unit, whether the DHCP message that is used to detect reception comprises described specific identifier, according to detected described specific identifier identification gateway, and sets up related with described gateway.
14. lan device according to claim 13 is characterized in that:
Carry DHCP option 125 in the DHCP message that described message issue unit sends, described specific identifier is included in the described DHCP option 125.
15. lan device according to claim 13 is characterized in that:
Carry DHCP option 125 and DHCP option 60 in the DHCP message that described message issue unit sends, described specific identifier is included in the described DHCP option 60.
16. lan device according to claim 13 is characterized in that:
Described gateway is for supporting the gateway of TR-069 standard.
17. a gateway is characterized in that, this gateway comprises:
The message receiving element is used to receive the dynamic host configuration protocol DHCP message from lan device;
The message issue unit, be used for detecting the specific identifier whether the DHCP message of reception comprises,, send the DHCP message of response if detect described specific identifier, and related with described lan device foundation, carry described specific identifier in the DHCP message of described response.
18. gateway according to claim 17 is characterized in that:
Carry DHCP option 125 in the DHCP message that described message issue unit sends, described specific identifier is included in the described DHCP option 125.
19. gateway according to claim 17 is characterized in that:
Carry DHCP option 125 and DHCP option 60 in the DHCP message that described message issue unit sends, described specific identifier is included in the described DHCP option 60.
20. gateway according to claim 17 is characterized in that:
Described gateway is for supporting the gateway of TR-069 standard.
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| CN102244620A (en) * | 2010-05-13 | 2011-11-16 | 工业和信息化部电信传输研究所 | Method and system for determining association relationship between gateway and equipment |
| CN103024099A (en) * | 2012-12-28 | 2013-04-03 | 太仓市同维电子有限公司 | DHCP (dynamic host configuration protocol)-option-message-based automatic configuration method for network access device |
| WO2018112835A1 (en) * | 2016-12-22 | 2018-06-28 | 华为技术有限公司 | Method, device and system for selecting gateway |
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| CN100527752C (en) * | 2005-08-19 | 2009-08-12 | 杭州华三通信技术有限公司 | DHCP address allocation method |
| CN101009635A (en) * | 2006-01-27 | 2007-08-01 | 上海贝尔阿尔卡特股份有限公司 | A message forwarding method for the dynamic host configuration protocol and its network device |
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| CN1921496A (en) * | 2005-08-24 | 2007-02-28 | 中兴通讯股份有限公司 | Method for DHCP client terminal to identifying DHCP server |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102244620A (en) * | 2010-05-13 | 2011-11-16 | 工业和信息化部电信传输研究所 | Method and system for determining association relationship between gateway and equipment |
| CN103024099A (en) * | 2012-12-28 | 2013-04-03 | 太仓市同维电子有限公司 | DHCP (dynamic host configuration protocol)-option-message-based automatic configuration method for network access device |
| WO2018112835A1 (en) * | 2016-12-22 | 2018-06-28 | 华为技术有限公司 | Method, device and system for selecting gateway |
| US11218339B2 (en) | 2016-12-22 | 2022-01-04 | Huawei Technologies Co., Ltd. | Gateway selection method, device, and system |
| US11929851B2 (en) | 2016-12-22 | 2024-03-12 | Huawei Technologies Co., Ltd. | Gateway selection method, device, and system |
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| CN101677279B (en) | 2014-05-21 |
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Effective date of registration: 20181220 Address after: 523808 Southern Factory Building (Phase I) Project B2 Production Plant-5, New Town Avenue, Songshan Lake High-tech Industrial Development Zone, Dongguan City, Guangdong Province Patentee after: HUAWEI DEVICE Co.,Ltd. Address before: 518129 Building 2, B District, Bantian HUAWEI base, Longgang District, Shenzhen, Guangdong. Patentee before: Huawei terminal (Shenzhen) Co.,Ltd. |