CN100372306C - Method for positioning fault of asynchronous transmission mode carrying IP data channel - Google Patents
Method for positioning fault of asynchronous transmission mode carrying IP data channel Download PDFInfo
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- CN100372306C CN100372306C CNB2005100690578A CN200510069057A CN100372306C CN 100372306 C CN100372306 C CN 100372306C CN B2005100690578 A CNB2005100690578 A CN B2005100690578A CN 200510069057 A CN200510069057 A CN 200510069057A CN 100372306 C CN100372306 C CN 100372306C
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Abstract
The present invention discloses an IPOA channel fault positioning method using an asynchronous transmission mode to carry IP data. The method comprises: IPOA channel faults are enquired and positioned in accordance with an IP layer, an asynchronous transmission mode (ATM) layer and a physical layer according to an IPOA channel transmission protocol layer. The concrete method comprises: detecting the working state of a physical link, detecting a PVC link and analyzing IP routes. The positioning method of the present invention has the advantage of clear logic. Result information can be automatically analyzed by a system. The present invention can realize rapid fault positioning.
Description
Technical field
The present invention relates to wireless communication field, relate in particular to a kind of asynchronous transmission mode carrying IP data (IPOverATM, IPOA) channel failure localization method.
Background technology
All communication networks generally all are based on the communication between the agreement peer layer, and in the network of WCDMA, the communication between the IPOA passage also is based on this basic principle.Specifically agreement and traffic model are as shown in Figure 1: black solid line is represented RNC (Radio Network Controller, radio network controller) and an IPOA passage between the NodeB (base station), dotted line is represented the notion of peer layer, comprise IP layer, asynchronous transfer mode (Asynchronous Transfer Mode, ATM) layer and physical layer.RNC can carry out Operation and Maintenance to NodeB by this IPOA passage, and NodeB also can send solicited message to RNC by this passage, as Bootp (Bootstrap Protocol, BOOT strapping Protocol) request package.Specific implementation is: need to set up an IPOA passage between RNC and NodeB, NodeB itself does not also know oneself IP address, after NodeB powers on loading, send the NodeBIP request message by the Bootp agreement to RNC, after RNC receives request message, with the IP address of this NodeB, hold to NodeB by the IPOA channel response.
The WCDMA system is based on that the ATM layer transmits among Fig. 1, and what the ATM layer transmitted is ATM cell.IPOA has realized transmitting the IP packet by ATM cell, and provides IP network interconnected platform.
The IPOA channel failure mainly may occur in physical layer, on ATM layer or the IP layer.The physical layer fault has a variety of, and failure cause such as transmission line disconnect, and crossed pair connects, and RNC and the configuration of NodeB two ends scrambler are inconsistent etc., all might cause transmission fault.ATM layer fault mainly is PVC (Permanent Virtual Channel, the permanent tunnel) link failure of IPOA carrying, and as the PVC configuration error, flow is excessive, packet loss etc. occurs.Situations such as IP layer fault might be because of the routing configuration mistake, and IP address purpose is unreachable.
In the prior art, when the IPOA passage breaks down, by MML (Man-MachineLanguage, the man-machine language) order that designs, query-related information one by one.Comprise: by MML order inquiry physical link state, obtain statistical correlation information, analyze physical link reception message bag and whether increase progressively, whether whether transmission packet increases progressively, lose the message bag and increase progressively etc., if do not increase progressively, show that not receiving may appear only sending out in physical layer, only receive and fault such as do not send out; By the data configuration of MML order inquiry physical layer, for example check RNC, whether NodeB two ends scrambler configuration consistency, checks whether unanimity etc. of two ends physical link attribute; Detect by crossed pair, check whether correctly butt joint of two ends physical link E1/T1.Inquire about VCL (the VCLrtual Channel Link of the PVC link of IPOA passage carrying by the MML order, Virtual Channel Link) terminal statistical information, whether analyze this terminal reception ATM cell quantity increases progressively, whether send ATM cell quantity increases progressively, whether lose ATM cell quantity increases progressively etc., if do not increase progressively, show that not receiving may appear only sending out in the ATM layer, only receive and fault such as do not send out; Whether the data configuration by MML order inquiry ATM layer is correct etc.
Because the ins and outs that each producer realizes inconvenience is open, the MML order can not obtain all relevant informations.MML order simultaneously is more scattered, after problem occurs, and might be because inquiry not exclusively causes fault to locate.
Summary of the invention
The invention provides a kind of IPOA channel failure localization method of agreement peer layer Network Based, can locate the IPOA channel failure simply, fast.
The inventive method comprises: whether the physical link of determining carrying IPOA passage is working properly, after the physical link of determining carrying IPOA passage is working properly, determines further whether the physical link that is connected with IPOA passage two ends communication equipment is working properly;
When determining the physical link fault that is connected with IPOA passage two ends communication equipment, determine again whether the permanent tunnel PVC link of IPOA carrying is working properly; When described PVC link failure, then fault location is the ATM layer; Otherwise, carry out fault inquiry at the IP of IPOA passage layer.
In the said method provided by the invention, when determining the physical link fault of carrying IPOA passage, fault location is in physical layer;
When determining the physical link that is connected with IPOA passage two ends communication equipment when working properly, fault location is intermediate conveyor fault or two ends communication device configured mistake.
In the said method, the work state information of the physical link by obtaining carrying IPOA passage and the statistical information of messaging bag, whether the physical link of determining carrying IPOA passage is working properly.
In the said method provided by the invention, definite physical link fault that is connected with IPOA passage two ends communication equipment specifically comprises:
The physical link that will be connected with IPOA passage two ends communication equipment is provided with the local terminal loopback respectively, the work state information by obtaining the physical link that is connected with the two ends communication equipment and the statistical information of messaging bag are determined whether fault of the physical link that is connected with IPOA passage two ends communication equipment.
In the said method, the concrete grammar that the physical link that is connected with IPOA passage two ends communication equipment is provided with the local terminal loopback is: plug the loopback head on physical port.
Whether the permanent tunnel PVC link of described definite IPOA carrying is working properly, comprising:
C1: end user's machine language command, the PVC link that carries at IPOA is provided with loopback;
C2: send test packet at this PVC terminating end, system determines according to the transmitting-receiving test packet object information of statistic record whether the PVC link is working properly.
Statistic record transmitting-receiving test packet method is among the step C2: to PVC link terminal port and cross-port transmitting-receiving ATM cell, lose ATM cell and wrong ATM cell is carried out statistic record.
The physical link of described carrying IPOA passage includes but not limited to User Network Interface UNI link, Inverse Multiplexing over ATM technology IMA link and time slot bearing link.
The described concrete grammar that carries out fault inquiry at the IP of IPOA passage layer is: the communication equipment by IPOA passage one end sends test packet, inquiry radix routing iinformation, and whether the judgment data bag is routed on other PVC link.
Described test packet is the Ping packet.
The fault inquiry of described IPOA passage is in proper order: physical layer, ATM layer, IP layer, the fault inquiry of perhaps described IPOA passage is in proper order: IP layer, ATM layer, physical layer.
The present invention carries out IPOA channel failure location according to network protocol layer, and clear logic can realize quick fault location by the automatic analysis result information of system.
Description of drawings
Fig. 1 is IPOA passage and transmission protocol layer schematic diagram;
Fig. 2 is one of the inventive method embodiment flow chart;
Fig. 3 is two of the inventive method embodiment flow chart.
Embodiment
Below in conjunction with Figure of description the specific embodiment of the present invention is described.
For the obstructed equipment two ends of IPOA passage take place, set about positioning analysis for three layers from physical layer, ATM layer and IP layer.Three layers of tab order: first physical layer, ATM layer, back IP layer or first IP layer, ATM layer, back physical layer more again.
Be that example is described with first physical layer inquiry below.
The physical link that at first will carry this IPOA passage separates, and promptly other business datum be can't help this physical link carrying, in order to avoid influence other business.
Concrete querying method such as Fig. 2, shown in Figure 3 comprise the following steps:
Step 11: the RNC side physical link of this IPOA passage of inquiry carrying, for example: UNI (User-Network Interface, User Network Interface) link, the work state information and the statistical information of IMA (Inverse Multiplexing forATM, Inverse Multiplexing over ATM technology) link and time slot bearing link links such as (FRCTIONAL); Work state information can show whether these physical links are in normal operating conditions, and statistical information comprises that to physical link messaging bag lose the message bag, error message bag etc. is added up, the record statistical value;
Step 12: the above-mentioned information that will obtain is saved in file, is sent to Operation and Maintenance platform or network management center, is analyzed automatically by Operation and Maintenance platform or network management center, obtains analysis result, locatees physical link fast and whether has fault; If the physical link fault, then execution in step 13; Otherwise, execution in step 14;
Step 13: the reporting physical layer fault, fault location finishes;
Step 14: RNC side physical link loopback is set, concrete grammar: on physical port, plug the loopback head;
Step 15: the work state information by obtaining physical link and the statistical information of messaging bag, determine whether current physical link is working properly; If working properly behind the physical link loopback, then go to step 16, otherwise, execution in step 17;
Step 16: show that RNC side closed-circuit working is normal, the record object information; Problem may appear at the NodeB side, needs further the NodeB side to be carried out fault location by step shown in Figure 3;
Step 17: use MML (man-machine language) order, the PVC link that carries at IPOA is provided with loopback;
Step 18: send test packet at this PVC terminating end,, determine whether the PVC link is working properly according to the transmitting-receiving test packet object information and the ASSOCIATE STATISTICS information of record; Statistical information comprises PVC link terminal port and cross-port transmitting-receiving ATM cell, loses ATM cell, the statistics of information such as mistake ATM cell, record statistical value; If the work of PVC link is undesired, execution in step 19; Otherwise, execution in step 20;
Step 19: location RNC side ATM layer fault;
Step 20: fault location is at the IP of RNC side layer; Obtain the routing iinformation of IPOA client, check whether routing iinformation is correct and complete; Check whether be that IP layer data bag reception transmission is lost; The particular exam method is: start a similar Ping utility program, send the Ping packet by RNC side direction NodeB side, because the IPOA path is obstructed, RNC can't receive the response that NodeB sends, by inquiry radix (Radix) routing iinformation, check whether packet is routed on other PVC link, if find that other PVC goes up existence and receives data, show the forwarding mistake, the record object information.
NodeB side Fault Locating Method and RNC side are similar, briefly are described below:
Step 21: the work state information of the NodeB side physical link of this IPOA passage of inquiry carrying and the statistical information of messaging bag;
Step 22:, determine whether physical link is working properly according to above-mentioned Query Result; If the physical link fault, then execution in step 23; Otherwise, execution in step 24;
Step 23: the reporting physical layer fault, fault location finishes;
Step 24: NodeB side physical link loopback is set, concrete grammar: on physical port, plug the loopback head;
Step 25: the work state information by obtaining physical link and the statistical information of messaging bag, determine whether current physical link is working properly; If working properly behind the physical link loopback, then go to step 26, otherwise, execution in step 27;
Step 26: when fault location is intermediate conveyor equipment fault or RNC and the butt joint of NodeB physical link, crossed pair occurs, perhaps both sides' data configuration is inconsistent etc., and problem causes the IPOA path obstructed, and fault location finishes;
Step 27: use MML (man-machine language) order, the PVC link that carries at IPOA is provided with loopback;
Step 28: determine whether the PVC link is working properly; If the work of PVC link is undesired, execution in step 29; Otherwise, execution in step 30;
Step 29: location NodeB side ATM layer fault;
Step 30: fault location is at the IP of NodeB side layer;
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (11)
1. asynchronous transmission mode carrying IP data I POA channel failure localization method, it is characterized in that: comprising: whether the physical link of determining carrying IPOA passage is working properly, after the physical link of determining carrying IPOA passage is working properly, determine further whether the physical link that is connected with IPOA passage two ends communication equipment is working properly;
When determining the physical link fault that is connected with IPOA passage two ends communication equipment, determine again whether the permanent tunnel PVC link of IPOA carrying is working properly; When described PVC link failure, then fault location is the ATM layer; Otherwise, carry out fault inquiry at the IP of IPOA passage layer.
2. the method for claim 1 is characterized in that: when determining the physical link fault of carrying IPOA passage, fault location is in physical layer;
When determining the physical link that is connected with IPOA passage two ends communication equipment when working properly, fault location is intermediate conveyor fault or two ends communication device configured mistake.
3. method as claimed in claim 2 is characterized in that: the work state information of the physical link by obtaining carrying IPOA passage and the statistical information of messaging bag, whether the physical link of determining carrying IPOA passage is working properly.
4. the method for claim 1 is characterized in that: determine specifically to comprise the physical link fault that is connected with IPOA passage two ends communication equipment:
The physical link that will be connected with IPOA passage two ends communication equipment is provided with the local terminal loopback respectively, the work state information by obtaining the physical link that is connected with the two ends communication equipment and the statistical information of messaging bag are determined whether fault of the physical link that is connected with IPOA passage two ends communication equipment.
5. method as claimed in claim 4 is characterized in that: the concrete grammar that the physical link that is connected with IPOA passage two ends communication equipment is provided with the local terminal loopback is: plug the loopback head on physical port.
6. the method for claim 1 is characterized in that: whether the permanent tunnel PVC link of described definite IPOA carrying is working properly, comprising:
C1: end user's machine language command, the PVC link that carries at IPOA is provided with loopback;
C2: send test packet at this PVC terminating end, system determines according to the transmitting-receiving test packet object information of statistic record whether the PVC link is working properly.
7. method as claimed in claim 6 is characterized in that: statistic record transmitting-receiving test packet method is among the step C2: to PVC link terminal port and cross-port transmitting-receiving ATM cell, lose ATM cell and wrong ATM cell is carried out statistic record.
8. the method for claim 1 is characterized in that: the physical link of described carrying IPOA passage includes but not limited to User Network Interface UNI link, Inverse Multiplexing over ATM technology IMA link and time slot bearing link.
9. the method for claim 1, it is characterized in that: the described concrete grammar that carries out fault inquiry at the IP of IPOA passage layer is: the communication equipment by IPOA passage one end sends test packet, inquiry radix routing iinformation, whether the judgment data bag is routed on other PVC link.
10. method as claimed in claim 9 is characterized in that: described test packet is the Ping packet.
11. the method for claim 1 is characterized in that: the fault inquiry of described IPOA passage is in proper order: physical layer, ATM layer, IP layer, perhaps
The fault inquiry of described IPOA passage is in proper order: IP layer, ATM layer, physical layer.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2005100690578A CN100372306C (en) | 2005-05-10 | 2005-05-10 | Method for positioning fault of asynchronous transmission mode carrying IP data channel |
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| CNB2005100690578A CN100372306C (en) | 2005-05-10 | 2005-05-10 | Method for positioning fault of asynchronous transmission mode carrying IP data channel |
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| CN100372306C true CN100372306C (en) | 2008-02-27 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101924659B (en) * | 2009-06-12 | 2015-05-20 | 中兴通讯股份有限公司 | Network equipment and method for detecting links of physical ports of same |
| CN106612244A (en) * | 2015-10-26 | 2017-05-03 | 中兴通讯股份有限公司 | Packet tracking method and device in network device and network device |
| CN108810939B (en) * | 2017-04-28 | 2021-04-30 | 中兴通讯股份有限公司 | Method and device for improving reliability of data path |
| CN111130917B (en) * | 2018-10-31 | 2022-04-26 | 北京国双科技有限公司 | Line testing method, device and system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1414716A (en) * | 2001-10-25 | 2003-04-30 | 华为技术有限公司 | Set-up method of defect maintenance channel based on IPOA channel |
| CN1419386A (en) * | 2001-11-13 | 2003-05-21 | 华为技术有限公司 | Base station configuration method |
| CN1464663A (en) * | 2002-06-28 | 2003-12-31 | 华为技术有限公司 | Method for establishing IPOA channel between base station and base station controller |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1414716A (en) * | 2001-10-25 | 2003-04-30 | 华为技术有限公司 | Set-up method of defect maintenance channel based on IPOA channel |
| CN1419386A (en) * | 2001-11-13 | 2003-05-21 | 华为技术有限公司 | Base station configuration method |
| CN1464663A (en) * | 2002-06-28 | 2003-12-31 | 华为技术有限公司 | Method for establishing IPOA channel between base station and base station controller |
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