CN101192979A - A master/slave control board for DSLAM device and its link switching method - Google Patents
A master/slave control board for DSLAM device and its link switching method Download PDFInfo
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- CN101192979A CN101192979A CNA2006101497977A CN200610149797A CN101192979A CN 101192979 A CN101192979 A CN 101192979A CN A2006101497977 A CNA2006101497977 A CN A2006101497977A CN 200610149797 A CN200610149797 A CN 200610149797A CN 101192979 A CN101192979 A CN 101192979A
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Abstract
The invention relates to a primary and standby control boards and the link circuits switching method in DSLAM equipment (1). The primary and standby control boards (11, 12) are connected with the upper connective equipment (2) respectively through the first upper connective link circuits. Common link circuits are contained. The primary and standby control boards use the first upper connective link circuit of the other as the second upper connective link circuit. When one upper connective link circuit actually used goes wrong, only the upper connective link circuit needs switching. Two upper connective ports (3) are arranged respectively on the primary and standby control boards. The first upper connective port is connected correspondingly with the first upper connective link circuit. The second upper connective ports are connected with each other. Thus the unvarnished transmission of ports can realize sharing of the upper connective link circuit with each other. Only two upper connective link circuits are needed to complete the link redundancy of the DSLAM equipment. The invention, combined with the primary and standby control boards, greatly improves operation reliability of the DSLAM equipment on conditions of complex group network. Besides, the upper connective aqueduct groove position needs not to be provided separately.
Description
Technical field
The present invention relates to data communication, be specifically related to the reverse method of interior active and standby control board of a kind of DSLAM equipment and link thereof.
Background technology
Along with popularizing of broadband network, increasing family or Internet bar select for use xDSL to surf the Internet, the capacity of DSLAM equipment also is increasing like this, in order to improve the stability of system, reduce of the influence of core switching system fault to system, gradually the active and standby requirement of core switching system has been proposed DSLAM, generally all be that requirement core power board is realized active and standby, i.e. master board, one is equipped with control board, when master board is broken down can't work the time, system can automatically switch to being equipped with control board and carry out work, and also switch simultaneously both status, and original master board becomes control board fully, original control board that is equipped with becomes master board, thereby improves system survivability; The general support in the active and standby system, the passage that uses first line of a couplet groove position independently to be connected with first line of a couplet equipment as DSLAM, switch when taking place when active and standby control board like this, being connected on meeting switches to fully control board from master board of the veneer of this groove position and core switching system, thereby guarantee professional normally; But, along with the raising to the DSLAM density requirements, user's board slot position is more and more nervous, and operator wishes not make the first line of a couplet with independent first line of a couplet groove position gradually, and wish that the upper united mouth directly goes out on control board, switch like this and just comprised switching of active and standby control board and switching of upper level link; Brought a problem like this, when if upper level link breaks down, though the control board operation is normal, also must switch, otherwise can't guarantee professional normally carrying out, if upper level link can not be stablized for a certain reason, might cause repeatedly and switch that this stable operation to system is unfavorable; Though can by every master control borad all two links of the first line of a couplet reduce this fault may, like this each system will support 4 upper level link, this has just wasted link circuit resource.
Summary of the invention
The technical issues that need to address of the present invention provide the reverse method of active and standby control board in a kind of DSLAM equipment and link thereof, be positioned in the upper united mouth under the situation of control board need not 4 upper level link realize link redundancys and switch.
Above-mentioned technical problem of the present invention solves like this, and the reverse method of interior active and standby control board of a kind of DSLAM equipment and link thereof is provided, and active and standby control board passes through first upper level link connection first line of a couplet equipment separately, may further comprise the steps:
1.1) shared described link: described active and standby control board use the other side's first upper level link is a second upper level link connection first line of a couplet equipment separately;
1.2) when an actual upper level link that uses breaks down, can only switch described upper level link.
According to reverse method provided by the invention, described active and standby control board comprises two first line of a couplet ports separately, and corresponding first upper level link separately that connects of first first line of a couplet port interconnects between second first line of a couplet port.
According to reverse method provided by the invention, described master or when being equipped with first upper level link that control board uses the other side as the second upper level link uses self second first line of a couplet port, two complete transparent transmissions of first line of a couplet port of while the other side.
According to reverse method provided by the invention, this method also comprises the master of actual main usefulness or is equipped with control board when breaking down, and switches described control board, selects can switch or not switch described upper level link simultaneously as required.
According to reverse method provided by the invention, the physical connection mode of described connection is that external cable connects or backboard wiring connects.
According to reverse method provided by the invention, this method also comprises the master of actual main usefulness or is equipped with control board two upper level link are bundled use.
According to reverse method provided by the invention, this method comprises that also described active and standby control board detects upper level link separately.
According to reverse method provided by the invention, this method comprises also when detecting described link failure that the communication of cutting off the connection between described second first line of a couplet port connects.
According to reverse method provided by the invention, this method also comprises when detecting described link failure, described master or be equipped with control board and notify the other side to have link failure to take place by administrative messag.
According to reverse method provided by the invention, this method also comprises when detecting described link failure recovery, described master or be equipped with control board and notify the other side to have link failure to eliminate by administrative messag.
The reverse method of active and standby control board and link thereof in the DSLAM equipment provided by the invention, active and standby control board is provided with two first line of a couplet ports separately, wherein first first line of a couplet port correspondence connects first upper level link separately, interconnect between second first line of a couplet port, can realize and the sharing of the other side's upper level link by port transparent transmission mode like this, only must two upper level link finish the link redundancy of DSLAM equipment, in conjunction with active and standby control board, improved DSLAM equipment reliability of operation and first line of a couplet groove position need not be provided separately under complicated network environment greatly.
Description of drawings
Further the present invention is described in detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is connected mode one schematic diagram between the active and standby control board of DSLAM equipment of the present invention.
Fig. 2 is connected mode two schematic diagrames between the active and standby control board of DSLAM equipment of the present invention.
Embodiment
At first, inventive concept is described: the shared upper level link of the active and standby control board of DSLAM equipment, thus when the upper level link of master board goes wrong, can not do active and standby switching, and, reach the purpose of link switchover directly with the upper level link that is equipped with control board.
Further, the connection of active and standby control board is described, for master board can be used the upper level link of control board fully, independent link must be provided between active and standby control board, this link both can use the upper level link of control board fully when the upper level link of master board goes wrong, also can notice master board in time when the upper level link that is equipped with control board has problem.
At last, be elaborated in conjunction with of the concrete use of two kinds of embodiments of the present invention to the inventive method:
As illustrated in fig. 1 and 2, two control boards of A, B are arranged on the DSLAM equipment 1, be respectively master board 11 and be equipped with control board 12, each two first line of a couplet port 3 such as A1, A2, B1, B2 are provided respectively above, operator provides two upper level link to connect first line of a couplet equipment 2, be connected with the B1 mouth is corresponding with first first line of a couplet port A1 of two control boards respectively, these two upper level link require to realize the multilink bundling function, require second first line of a couplet port A2 directly to be connected in this locality with the B2 mouth simultaneously; Any control board is decided the time spent, the first and second two first line of a couplet ports on the plate require to do multilink bundling, the first and second two first line of a couplet ports that are equipped with simultaneously on the control board 12 require complete transparent transmission, promptly all packets of receiving of first first line of a couplet port are intact sends from second first line of a couplet port, sends from first first line of a couplet port and all packets that second first line of a couplet port is received are intact; When breaking down with the upper level link of the corresponding connection of first first line of a couplet port of master board 11, can continue to carry out data transmit-receive with second first line of a couplet port, the protection of link level so just is provided; And when control board 12 detects its first first line of a couplet port generation link failure fully, such as the Ethernet interface link interruption, need notice master board 11 these information, method can be to have link failure to take place by the master board 11 of administrative messag notice, allow master board 11 stop link transmit-receive to second first line of a couplet port, when first first line of a couplet port link-recovery that is equipped with control board 12 just often, reinform the data transmit-receive that master board 11 recovers second first line of a couplet port, also can be when being equipped with control board 12 first first line of a couplet ports link failure arranged initiatively with the link down of second first line of a couplet port, thereby allow second first line of a couplet port of master board 11 detect link failure, stop data transmit-receive to second first line of a couplet port, when first first line of a couplet port link-recovery that is equipped with control board 12 normal, also the link of second first line of a couplet port initiatively to be recovered normally the data packet transceive that allows master board 11 recover to second first line of a couplet port.
In implementation procedure, there is dual mode to connect A2 and two ports of B2, a kind of mode is that the aerial lug by panel connects as shown in Figure 1, this mode can be seen the connecting line between the active and standby control board on equipment 1 surface; Another kind is that A2 and two second first line of a couplet ports of B2 are linked together by backboard in control board and back plate design as shown in Figure 2, and this mode connecting line is at backboard, and is more reliable.
Claims (10)
1. the reverse method of active and standby control board and link thereof in the DSLAM equipment (1), active and standby control board (11,12) connects first line of a couplet equipment (2) by first upper level link separately, it is characterized in that, may further comprise the steps:
1.1) shared described link: described active and standby control board uses the other side's first upper level link conduct second upper level link separately to connect first line of a couplet equipment (2);
1.2) when an actual upper level link that uses breaks down, can only switch described upper level link.
2. according to the described reverse method of claim 1, it is characterized in that described active and standby control board (11,12) comprises two first line of a couplet ports (3) separately, corresponding first upper level link separately that connects of first first line of a couplet port interconnects between second first line of a couplet port.
3. according to claim 1 or 2 described reverse methods, it is characterized in that described master or when being equipped with first upper level link that control board (11,12) uses the other side as the second upper level link uses self second first line of a couplet port, two complete transparent transmissions of first line of a couplet port of while the other side.
4. according to claim 1 or 2 described reverse methods, it is characterized in that this method also comprises the master of actual main usefulness or is equipped with control board (11,12) two upper level link are bundled use.
5. according to the described reverse method of claim 1, it is characterized in that this method also comprises the master of actual main usefulness or is equipped with control board (11,12) when breaking down, and switches described control board, switches or do not switch described upper level link simultaneously as required.
6. according to the described reverse method of claim 5, it is characterized in that the physical connection mode of described connection is that external cable or backboard wiring connect.
7. according to the described reverse method of claim 1, it is characterized in that this method comprises that also described active and standby control board (11,12) detects upper level link separately.
8. according to claim 2 or 7 described reverse methods, it is characterized in that this method comprises also when detecting described link failure that the communication of cutting off the connection between described second first line of a couplet port connects.
9. according to the described reverse method of claim 7, it is characterized in that this method also comprises when detecting described link failure, described master or be equipped with control board and notify the other side to have link failure to take place by administrative messag.
10. according to the described reverse method of claim 9, it is characterized in that this method also comprises when detecting described link failure recovery, described master or be equipped with control board and notify the other side to have link failure to eliminate by administrative messag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610149797A CN101192979B (en) | 2006-11-27 | 2006-11-27 | A master/slave control board for DSLAM device and its link switching method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610149797A CN101192979B (en) | 2006-11-27 | 2006-11-27 | A master/slave control board for DSLAM device and its link switching method |
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| Publication Number | Publication Date |
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| CN101192979A true CN101192979A (en) | 2008-06-04 |
| CN101192979B CN101192979B (en) | 2010-05-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200610149797A Active CN101192979B (en) | 2006-11-27 | 2006-11-27 | A master/slave control board for DSLAM device and its link switching method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011076046A1 (en) * | 2009-12-23 | 2011-06-30 | 中兴通讯股份有限公司 | Method and device for quick primary-standby handover in network devices |
| CN103378918A (en) * | 2012-04-19 | 2013-10-30 | 中兴通讯股份有限公司 | Method for adjusting channel and apparatus |
| CN103744755A (en) * | 2014-01-08 | 2014-04-23 | 烽火通信科技股份有限公司 | Implement system for primary and standby veneer single port shared protection and method thereof |
| CN105827426A (en) * | 2015-01-08 | 2016-08-03 | 中国移动通信集团河南有限公司 | Method, device and system for processing link failure |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6894969B1 (en) * | 2000-11-14 | 2005-05-17 | Lucent Technologies Inc. | Apparatus and method for redundancy of processing modules interfaced to a switching core |
| CN1199400C (en) * | 2002-09-13 | 2005-04-27 | 华为技术有限公司 | Master-standby switching and load sharing system and method based on Ethernet access platform |
| CN100364246C (en) * | 2004-09-16 | 2008-01-23 | 华为技术有限公司 | Method and device for realizing single board backup in communication network device |
| CN100407646C (en) * | 2005-03-28 | 2008-07-30 | 华为技术有限公司 | Method for realizing data service backup |
-
2006
- 2006-11-27 CN CN200610149797A patent/CN101192979B/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011076046A1 (en) * | 2009-12-23 | 2011-06-30 | 中兴通讯股份有限公司 | Method and device for quick primary-standby handover in network devices |
| CN103378918A (en) * | 2012-04-19 | 2013-10-30 | 中兴通讯股份有限公司 | Method for adjusting channel and apparatus |
| CN107645354A (en) * | 2012-04-19 | 2018-01-30 | 中兴通讯股份有限公司 | Passage method of adjustment and device |
| CN103744755A (en) * | 2014-01-08 | 2014-04-23 | 烽火通信科技股份有限公司 | Implement system for primary and standby veneer single port shared protection and method thereof |
| CN105827426A (en) * | 2015-01-08 | 2016-08-03 | 中国移动通信集团河南有限公司 | Method, device and system for processing link failure |
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| Publication number | Publication date |
|---|---|
| CN101192979B (en) | 2010-05-19 |
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