CN103248421A - Method for detecting ONU faults in PON system - Google Patents
Method for detecting ONU faults in PON system Download PDFInfo
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- CN103248421A CN103248421A CN2013100079998A CN201310007999A CN103248421A CN 103248421 A CN103248421 A CN 103248421A CN 2013100079998 A CN2013100079998 A CN 2013100079998A CN 201310007999 A CN201310007999 A CN 201310007999A CN 103248421 A CN103248421 A CN 103248421A
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- 238000000034 method Methods 0.000 title abstract 4
- 238000001514 detection method Methods 0.000 claims description 37
- 238000012217 deletion Methods 0.000 claims description 12
- 230000037430 deletion Effects 0.000 claims description 12
- 230000003287 optical effect Effects 0.000 abstract description 14
- 238000012544 monitoring process Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 3
- 239000013307 optical fiber Substances 0.000 description 3
- 238000012216 screening Methods 0.000 description 2
- 230000002596 correlated effect Effects 0.000 description 1
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- 238000003745 diagnosis Methods 0.000 description 1
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Abstract
The invention discloses a method for detecting ONU (Optical Network Unit) faults in a PON (Passive Optical Network) system, and belongs to the technical field of PON systems. The method comprises the following steps: S1, an event and event processing time, monitored by a system log, are arranged on an ONU; S2, when the event occurs, a log service thread is opened by the ONU, and event information is recorded; S3, when the event processing is finished within the event processing time, event clearing information is recorded in the log file by the ONU, the log file is saved, and the log service thread is closed; S4, when the event processing is not finished, the event is reported to an OLT (Optical Line Terminal); S5, when the event processing is finished within the event processing time according to the operation instruction of the OLT, information is cleared by the ONU, the log file is saved, and the log service thread is closed; and S6, when the event processing is not finished according to the operation instruction of the OLT, information is recorded by the ONU, the log file is saved, the log service thread is closed, and the event is reported to the OLT and the information is persisted. The method has the beneficial effects that the overhead of the PON system for maintaining warning and failure logging is reduced, and the maintenance and the monitoring are convenient.
Description
Technical field
The present invention relates to EPON (PON) technical field, relate in particular in a kind of pon system detection method to optical network unit (onu) fault.
Background technology
Compare with cable transmission, Optical Fiber Transmission has advantages such as capacity is big, loss is little, anti-electromagnetic interference capability is strong, thereby, along with the cost of Optical Fiber Transmission progressively descends, the fiberize of the Access Network development trend that is inevitable, and EPON has adopted passive device, is to realize the most potential technology of broadband light Access Network.Classify from the content of carrying, the PON technology mainly comprises APON (ATM Based PON asynchronous transfer mode EPON), EPON (Ethernet Based PON Ethernet passive optical network) and GPON (Gigabit PON gigabit passive optical network) etc.PON normally is made of the optical line terminal that is positioned at the central office (OLT) and a series of ONU (optical network unit optical network unit) or ONT (Optical Network Terminal Optical Network Termination) that is positioned at user resident, for convenience of explanation, hereinafter ONU is used in unification.In the middle of these devices, it is the optical distribution network (ODN optical distribution network) that is constituted by optical fiber, passive optical splitters or coupler.When ONU equipment generation accident, during as fault, need announcement OLT equipment, to handle to guarantee the normal operation of network timely.A large amount of consumption that this can cause Internet resources also are unfavorable for keeper's accurately locating fast abort situation.
Summary of the invention
At the above existing technical problem, the invention provides in a kind of PON system detection method to the ONU fault, with the various warnings that realize ONU is happened suddenly and the quick location of fault, save the resource overhead of network in running.
Concrete technical scheme is as follows:
To the detection method of ONU fault, comprise OLT equipment and ONU equipment in the described PON system in a kind of PON system, wherein, specifically comprise the steps:
Step 1. arranges the event that system journal is monitored, event handling time at described ONU equipment;
Step 2. is worked as described ONU equipment and described event occurred, described ONU opening of device log services thread, and cause and the time of recording described event;
Step 3. is finished event handling in the described event handling time when described ONU equipment, and then described ONU equipment recording events in described journal file is removed information, preserves described journal file, and closes described log services thread; Step 4. is not finished event handling in the described event handling time when described ONU equipment, then with the described OLT equipment of described reporting events;
Step 5. is indicated according to the operation of described OLT equipment when described ONU equipment and in the described event handling time event handling is finished, then described ONU equipment recording events in described journal file is removed information, preserve described journal file, and close described log services thread;
Step 6. is indicated according to the operation of described OLT equipment when described ONU equipment and in the described event handling time event handling is not finished, then described ONU equipment recording events in described journal file keeps information, preserve journal file and close described log services thread, report described event to keep information to described OLT equipment.
Above-mentioned detection method wherein, also is included in the described step 1 on the described ONU equipment to set and reports blanking time, reports the number of times threshold value; In the described step 4, specifically comprise:
Step 4.1 is not received described OLT device responds described reporting when described ONU equipment in blanking time, and the number of times that reports of described ONU equipment is less than or equal to the described number of times threshold value that reports, then described ONU opening of device report flow next time;
Step 4.2 is worked as described ONU equipment and is not received described OLT device responds in blanking time described reporting, and the number of times that reports of described ONU equipment surpasses the described number of times threshold value that reports, then described ONU equipment stops reporting events, recording events time-out information in described journal file, preserve journal file, and the closing journal service thread, report described event timeout information to described OLT equipment;
Step 4.3 reports the operation indication of receiving in blanking time that described OLT device responds sends described when described ONU equipment, and then described ONU equipment enters the event handling of described step 5.
Above-mentioned detection method wherein, in the described step 6, comprises that also the described OLT equipment of step 6.1 sends the instruction of restarting or separating registration to described ONU equipment.
Above-mentioned detection method, wherein, described event comprises type and/or the grade of fault.
Above-mentioned detection method, wherein, described event comprises type and/or the time of warning.
Above-mentioned detection method wherein, also is included in the described step 1 on the described ONU equipment journal file update cycle is set; Described detection method also comprises step 4: arrive time limit of described daily record update cycle when the described ONU equipment continuous working period, then the described journal file of described ONU unit deletion ONU this locality.
Above-mentioned detection method wherein, also comprises step 7: screen the described system journal of checking or all check described ONU equipment at described OLT equipment and/or described ONU equipment.
Above-mentioned detection method, wherein, when described journal file that manual deletion is preserved, the described manual deletion action of described ONU equipment records also reports described OLT equipment.
Above-mentioned detection method, wherein, when described OLT equipment was indicated described ONU unit deletion local log file, described ONU equipment recorded this operation information in newly-built journal file.
Above-mentioned detection method, wherein, described step 4.2 also comprises:
The described OLT equipment of step 4.2.1 sends the instruction of restarting or separating registration to described ONU equipment.
The invention has the beneficial effects as follows:
Reduce the overhead of safeguarding the warning of PON system and failure logging on the OLT, the keeper can view warning and the failure logging information of ONU at OLT and ONU, diagnosis and location for catastrophic failure provide more detailed information, are convenient to keeper's maintenance and monitoring.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 in a kind of PON of the present invention system to the schematic flow sheet of the embodiment of the detection method of ONU fault.
Embodiment
The invention will be further described below in conjunction with the drawings and specific embodiments, but not as restriction of the present invention.
Be illustrated in figure 1 as in a kind of PON of the present invention system the schematic flow sheet to the embodiment of the detection method of ONU fault, comprise OLT equipment and ONU equipment in the PON system, wherein, specifically comprise the steps:
Step 1. arranges the event that system journal is monitored, event handling time at ONU equipment;
Step 2. is worked as ONU equipment and event occurred, ONU opening of device log services thread, and the cause of recording events and time;
Step 3. is finished event handling in the event handling time when ONU equipment, and then ONU equipment recording events in journal file is removed information, preserves journal file, and the closing journal service thread; Step 4. is not finished event handling in the event handling time when ONU equipment, then with reporting events OLT equipment;
Step 5. is finished event handling in the event handling time according to the operation indication of OLT equipment when ONU equipment, and then ONU equipment recording events in journal file is removed information, preserves journal file, and the closing journal service thread;
Step 6. is indicated according to the operation of OLT equipment when ONU equipment and in the event handling time event handling is not finished, then ONU equipment recording events in journal file keeps information (the operation indication that expression ONU this locality and OLT issue all can't be removed fault), preserve journal file and closing journal service thread, the ONU time-delay reported fault HOLD event to OLT after one second.
Wherein, also be included in the step 1 on the ONU equipment to set and report blanking time (can arrange, default to 1s), report number of times threshold value (configurable, as to default to 2 times);
Specifically comprise in the step 4:
Step 4.1 is not received the OLT device responds reporting when ONU equipment in blanking time, and ONU equipment report number of times to be less than or equal to report the number of times threshold value, ONU opening of device report flow next time then;
Step 4.2 is not received the OLT device responds reporting when ONU equipment in blanking time, and ONU equipment report number of times to surpass to report the number of times threshold value, then ONU equipment stops reporting events, recording events time-out information in journal file, preserve journal file, and the closing journal service thread, to OLT equipment reported event time-out information;
Step 4.3 is worked as ONU equipment and is reported the operation indication of receiving in blanking time that the OLT device responds is sent, and then ONU equipment enters the event handling of step 5.
Technological thought of the present invention is: by setting monitoring target (as cpu temperature in ONU this locality, packet loss etc.) warning and the threshold values of fault, ONU equipment is catastrophic failure or when warning in running into monitoring range, in the local log services thread of opening of ONU, cause and the time of record warning.The fault of ONU or warning are removed and are then reported OLT in a specified time, and sending instructions under the OLT be correlated with to indicate to ONU operates; If the fault of ONU or warning are not removed yet, then OLT equipment is further operated indication.If fault or warning are eliminated, then the system journal record is preserved, comprise the time of fault or warning removing etc.
In the specific embodiment to the detection method of ONU fault in a kind of PON of the present invention system, in the step 6, comprise that also step 6.1 OLT equipment issues the OAM instruction and carries out to separate registration ONU or send instructions down and indicate ONU to restart.
In the specific embodiment to the detection method of ONU fault in a kind of PON of the present invention system, event comprises type and/or the grade of fault.
In the specific embodiment to the detection method of ONU fault in a kind of PON of the present invention system, event comprises type and/or the time of warning.
In the specific embodiment to the detection method of ONU fault in a kind of PON of the present invention system, also be included in the step 1 the journal file update cycle is set on the ONU equipment; Also comprise step 7 in the detection method: when the time limit of arrival daily record update cycle in ONU equipment continuous working period, the then journal file of ONU unit deletion ONU this locality.By setting the daily record update cycle of ONU, when ONU arrives gate in continuous running, carry out the operation of scavenge system daily record, to reduce resource occupation, improve operational efficiency.
In the specific embodiment to the detection method of ONU fault in a kind of PON of the present invention system, also comprise step 8: check or all check the system journal of ONU equipment in OLT equipment and/or the screening of ONU equipment.The associated ratings that comprises the event of only checking, correlation time section or the warning of correlation type and fault log record is checked in screening, can realize fault location fast.
In the specific embodiment to the detection method of ONU fault in a kind of PON of the present invention system, when syslog file that manual deletion is preserved, the manual deletion action of ONU equipment records also reports OLT equipment, prevents as situations such as misoperations.
In the specific embodiment to the detection method of ONU fault in a kind of PON of the present invention system, when OLT equipment indication ONU unit deletion local log file, ONU equipment records this operation information in newly-built journal file.
In the specific embodiment to the detection method of ONU fault in a kind of PON of the present invention system, step 4.2 also comprises:
Step 4.2.1OLT equipment issues OAM instruction and carries out to separate registration ONU or send instructions down and indicate ONU to restart.
In a kind of PON of the present invention system to the detection method of ONU fault, when ONU turns round when unusual in business, start-up system daily record thread, with fault or warning information with log file mode record and preserve.As required, the keeper can operate OLT or read the system log message of ONU in ONU this locality.According to the system log message of ONU record, the keeper can better locate time and the details that the ONU fault produces, for debugging and case study facilitate.Utilize the present invention, the keeper can check the operation conditions of ONU at any time, improves reliability and the stability of service operation, has range of application comparatively widely.
Below only be preferred embodiment of the present invention; be not so restriction embodiments of the present invention and protection range; to those skilled in the art; should recognize that being equal to that all utilizations specification of the present invention and diagramatic content done replace and the resulting scheme of apparent variation, all should be included in protection scope of the present invention.
Claims (10)
- In the PON system to the detection method of ONU fault, comprise OLT equipment and ONU equipment in the described PON system, it is characterized in that, specifically comprise the steps:Step 1. arranges the event that system journal is monitored, event handling time at described ONU equipment;Step 2. is worked as described ONU equipment and described event occurred, described ONU opening of device log services thread, and cause and the time of recording described event;Step 3. is finished event handling in the described event handling time when described ONU equipment, and then described ONU equipment recording events in described journal file is removed information, preserves described journal file, and closes described log services thread;Step 4. is not finished event handling in the described event handling time when described ONU equipment, then with the described OLT equipment of described reporting events;Step 5. is indicated according to the operation of described OLT equipment when described ONU equipment and in the described event handling time event handling is finished, then described ONU equipment recording events in described journal file is removed information, preserve described journal file, and close described log services thread;Step 6. is indicated according to the operation of described OLT equipment when described ONU equipment and in the described event handling time event handling is not finished, then described ONU equipment recording events in described journal file keeps information, preserve journal file and close described log services thread, report described event to keep information to described OLT equipment.
- 2. detection method as claimed in claim 1 is characterized in that,Also be included in the described step 1 on the described ONU equipment to set and report blanking time, report the number of times threshold value;In the described step 4, specifically comprise:Step 4.1 is not received described OLT device responds described reporting when described ONU equipment in blanking time, and the number of times that reports of described ONU equipment is less than or equal to the described number of times threshold value that reports, then described ONU opening of device report flow next time;Step 4.2 is worked as described ONU equipment and is not received described OLT device responds in blanking time described reporting, and the number of times that reports of described ONU equipment surpasses the described number of times threshold value that reports, then described ONU equipment stops reporting events, recording events time-out information in described journal file, preserve journal file, and the closing journal service thread, report described event timeout information to described OLT equipment;Step 4.3 reports the operation indication of receiving in blanking time that described OLT device responds sends described when described ONU equipment, and then described ONU equipment enters the event handling of described step 5.
- 3. detection method as claimed in claim 1 is characterized in that, in the described step 6, comprises that also the described OLT equipment of step 6.1 sends the instruction of restarting or separating registration to described ONU equipment.
- 4. detection method as claimed in claim 1 is characterized in that, described event comprises type and/or the grade of fault.
- 5. detection method as claimed in claim 1 is characterized in that, described event comprises type and/or the time of warning.
- 6. detection method according to claim 1 is characterized in that,Also be included in the described step 1 on the described ONU equipment journal file update cycle is set;Described detection method also comprises step 7: arrive time limit of described daily record update cycle when the described ONU equipment continuous working period, then the described journal file of described ONU unit deletion ONU this locality.
- 7. detection method as claimed in claim 1 is characterized in that,Also comprise step 8: screen the described system journal of checking or all check described ONU equipment at described OLT equipment and/or described ONU equipment.
- 8. detection method as claimed in claim 1 is characterized in that, when described journal file that manual deletion is preserved, the described manual deletion action of described ONU equipment records also reports described OLT equipment.
- 9. detection method as claimed in claim 1 is characterized in that, when described OLT equipment was indicated described ONU unit deletion local log file, described ONU equipment recorded this operation information in newly-built journal file.
- 10. detection method as claimed in claim 2 is characterized in that, described step 4.2 also comprises:The described OLT equipment of step 4.2.1 sends the instruction of restarting or separating registration to described ONU equipment.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310007999.8A CN103248421B (en) | 2013-01-09 | 2013-01-09 | Detection method to ONU fault in a kind of PON system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310007999.8A CN103248421B (en) | 2013-01-09 | 2013-01-09 | Detection method to ONU fault in a kind of PON system |
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| CN103248421A true CN103248421A (en) | 2013-08-14 |
| CN103248421B CN103248421B (en) | 2016-12-28 |
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Cited By (2)
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| WO2016192212A1 (en) * | 2015-06-01 | 2016-12-08 | 中兴通讯股份有限公司 | Method and apparatus for processing power down warning information of optical network unit onu |
| CN112822229A (en) * | 2019-11-18 | 2021-05-18 | 中国电信股份有限公司 | ONU (optical network Unit) fault processing method, ONU, PON (Passive optical network) system and storage medium |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2016192212A1 (en) * | 2015-06-01 | 2016-12-08 | 中兴通讯股份有限公司 | Method and apparatus for processing power down warning information of optical network unit onu |
| CN112822229A (en) * | 2019-11-18 | 2021-05-18 | 中国电信股份有限公司 | ONU (optical network Unit) fault processing method, ONU, PON (Passive optical network) system and storage medium |
| CN112822229B (en) * | 2019-11-18 | 2022-10-14 | 中国电信股份有限公司 | ONU (optical network Unit) fault processing method, ONU, PON (Passive optical network) system and storage medium |
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