CN104539348B - PON system link loopback detection method and device - Google Patents
PON system link loopback detection method and device Download PDFInfo
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- CN104539348B CN104539348B CN201510004410.8A CN201510004410A CN104539348B CN 104539348 B CN104539348 B CN 104539348B CN 201510004410 A CN201510004410 A CN 201510004410A CN 104539348 B CN104539348 B CN 104539348B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
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Abstract
The invention discloses a PON system link loopback detection method and device. A loopback detection function of a core switching disk is opened, and a primary detection message is sent to all upper connecting ports and slot position openings of all service disks respectively; detection is completed if the returned primary detection messages are not received; it is determined that loopback exists in a PON system if the returned primary detection messages are received; the detection is completed if loopback exists between the upper connecting ports; a loopback detection function of service board cards is opened if loopback exists between the upper connecting ports and the slot position openings or loopback exists between the slot position openings, each service board card respectively sends a secondary detection message to a specific ONU, and detection is completed if the service board cards do not receive the returned secondary detection messages; the service board cards and the specific ONU which produce the loopback are accurately positioned according to an ONU authorization number carried in the secondary detection messages and slot position numbers of the service board cards if the service board cards receive the returned secondary detection messages. By means of the PON system link loopback detection method and device, the implementation process is simple, detection results can be timely reported, and PON system link loopback detection efficiency is greatly improved.
Description
Technical field
The present invention relates to communication technical field, and in particular to the method and device of PON system link loopback detection.
Background technology
With the development of communication technology, the user of access band is more and more universal, and broadband access equipment connects in network side
Transmission convergence layer equipment, user side connection subscriber household gateway or DSL (Digital Subscriber Line, Digital Subscriber Line
Road) modem, the multiformity accessed due to user and complexity, the phenomenon of link loopback is caused, such as user Jing is normal
The problems such as running into and can not enter net, or not get through phone.These problems are mostly because there is loopback in the link of system, from
The message that upper united mouth is come in has been returned in equipment after optical line terminal has been gone out further through some modes, such as in PON (Passive
Optical Network, passive optical-fiber network) in equipment, source MAC (the Media Access of one or more messages
Control, medium access control) address, while it is present in one or more mouths of exchange chip, so as to cause PON equipment cores
The exchange chip of heart swapdisk occurs abnormal when E-Packeting.
Generally PON device link loopbacks are solved the problems, such as using loopback detection technology at present, open the loopback inspection of PON equipment
Brake, the detection messages for allowing PON equipment receptions to send in itself, if PON equipment receives the detection of return in Preset Time
Message, then assert that PON equipment has link loopback, if PON equipment does not receive the detection messages of return in Preset Time,
Assert that PON equipment does not have link loopback or link broken ring, but, because PON equipment is a kind of multilevel device, the shape of loopback
State has various possibility, the loopback being both likely to occur between upper united mouth, it is also possible to occur between PON mouths, ONU (Optical
Network Unit, optical network unit) between ring between even OLT (Optical Line Terminal, optical line terminal)
Return, therefore, there are the following problems for existing PON system link loop detection method：
(1) a large amount of system resources need to be taken during loopback detection for positioning loopback link；
(2) implementation process is loaded down with trivial details；
(3) testing result can not be reported in time.
In a word, existing PON system link loop detection method is less efficient.
The content of the invention
The technical problem to be solved is that existing PON system link loop detection method is less efficient asks
Topic.
In order to solve above-mentioned technical problem, the invention provides a kind of method of PON system link loopback detection, including with
Lower step：
Step 101：The loopback detection function of core swapdisk is opened, by core swapdisk respectively to each upper united mouth and each
The groove position mouth of business disk sends one-level detection messages；
Step 102：Core swapdisk judges whether to receive in Preset Time by other upper united mouths or the return of groove position mouth
One-level detection messages, if it is, execution step 104；Otherwise, then execution step 103；
Step 103：Assert that PON system does not have link loopback or link broken ring, notify maintainer, terminate inspection
Survey；
Step 104：Assert and there is chain between upper united mouth and upper united mouth, between upper united mouth and groove position mouth or between the mouth of each groove position
Road loopback, during for there is link loopback between upper united mouth and groove position mouth or between the mouth of each groove position, then execution step 105；
Step 105：Loopback detection function on unlatching business board, each piece of business board sends respectively to specified ONU
Secondary detection message, including at least in the secondary detection message has the ONU grant number of specified ONU and sends secondary detection message
Business board slot number；
Step 106：Judge whether each business board receives the secondary detection message of return, if do not received, illustrate this
There is no link loopback or link broken ring, detection of end between business board and the ONU that specifies；Otherwise, according to two grades
The ONU grant number carried in detection messages and the slot number of business board are accurately positioned the business board of generation link loopback and refer to
Fixed ONU.
In the above-mentioned methods, the ethernet type in the one-level detection messages is set by the user.
In the above-mentioned methods, it is determined that existing after link loopback, record loopback detection information and produce warning information.
In the above-mentioned methods, default pattern of giving out a contract for a project is can select in step 105, specifies give out a contract for a project pattern or traversal modes of vlan to send out
Send secondary detection message.
In the above-mentioned methods, the default pattern of giving out a contract for a project to be referred to and send secondary detection message, the finger based on acquiescence vlan
Determine vlan patterns of giving out a contract for a project and refer to that the vlan selected according to user sends secondary detection message, the traversal mode is referred to unclear
During business vlan in PON system, secondary detection message starts to be sent to last vlan always from first vlan successively.
Present invention also offers a kind of device of PON system link loopback detection, described device includes：
First opening unit, for opening the loopback detection function of core swapdisk, by core swapdisk respectively to each
The groove position mouth of upper united mouth and each business disk sends one-level detection messages；
First judging unit, judges whether to receive in Preset Time by other upper united mouths or groove for core swapdisk
The one-level detection messages that position mouth is returned, if it is, performing second assert unit；Otherwise, then perform first and assert unit；
First assert unit, for assert that PON system does not have link loopback or link broken ring, notifies maintenance people
Member, detection of end；
Second assert unit, for assert between upper united mouth and upper united mouth, between upper united mouth and groove position mouth or each groove position mouth
Between there is link loopback, during for there is link loopback between upper united mouth and groove position mouth or between the mouth of each groove position, then hold
The opening unit of row second；
Second opening unit, for opening the loopback detection function on business board, each piece of business board is respectively to finger
Determine ONU and send secondary detection message, including at least in the secondary detection message has the ONU grant number of specified ONU and send two
The slot number of the business board of level detection messages；
Second judging unit, for judging whether each business board receives the secondary detection message of return, if do not received,
Then illustrate not exist between the business board and the ONU that specifies link loopback or link broken ring, detection of end；Otherwise,
The business for producing link loopback is accurately positioned according to the slot number of the ONU grant number and business board that carry in secondary detection message
Board and the ONU for specifying.
In said apparatus, the ethernet type in the one-level detection messages is set by the user.
In said apparatus, described device also includes：Recording unit, for recording loopback detection information and producing alarm letter
Breath.
In said apparatus, default pattern of giving out a contract for a project is can select in the second opening unit, specifies vlan to give out a contract for a project pattern or traversal
Pattern sends secondary detection message.
In said apparatus, the default pattern of giving out a contract for a project to be referred to and send secondary detection message, the finger based on acquiescence vlan
Determine vlan patterns of giving out a contract for a project and refer to that the vlan selected according to user sends secondary detection message, the traversal mode is referred to unclear
During business vlan in PON system, secondary detection message starts to be sent to last vlan always from first vlan successively.
The present invention, realizes that PON system link loopback is examined by way of core swapdisk and each business board hierarchical detection
Survey, occupying system resources are less, can rapidly position the position of link loopback and produce warning information, implementation process is simple, energy
It is enough in time to report testing result, substantially increase the efficiency of PON system link loopback detection.
Description of the drawings
Fig. 1 is a kind of method flow diagram of PON system link loopback detection provided in an embodiment of the present invention；
Fig. 2 is a kind of apparatus structure schematic diagram of PON system link loopback detection provided in an embodiment of the present invention.
Specific embodiment
The present invention is described in detail with reference to specification drawings and specific embodiments.
A kind of method of PON system link loopback detection is embodiments provided, as shown in figure 1, methods described bag
Include following steps：
Step 101, opening network management interface, arrange the detection parameter of loopback link, open the loopback detection of core swapdisk
Function, by groove position mouth of the core swapdisk respectively to each upper united mouth and each business disk one-level detection messages are sent.
It should be noted that the ethernet type in one-level detection messages is set by the user, the such as type of Ethernet can be with
It is set as Oxeffa.
Step 102, core swapdisk judge whether to receive in Preset Time by other upper united mouths or the return of groove position mouth
One-level detection messages, if it is, execution step 104；Otherwise, execution step 103.
In a kind of specific embodiment that the present invention is provided, main control unit includes 28 ports, wherein 12 mouths are used as first line of a couplet end
Mouthful, in addition 16 mouths connect business disk, when main control unit CPU sends one-level detection messages by core swapdisk, while to the first line of a couplet
The groove position mouth of mouth and business sends, therefore the loopback of the following scene of meeting Primary Location：
A, the one-level detection messages sent from upper united mouth are returned from other upper united mouths, then illustrate upper united mouth and upper united mouth
Between produce link loopback；
B, the one-level detection messages sent from upper united mouth are returned from groove position mouth (mouth with business board card docking), then said
Link loopback is produced between bright upper united mouth and groove position mouth；
C, the one-level detection messages sent from groove position mouth are returned from upper united mouth, then illustrated between groove position mouth and upper united mouth
Produce link loopback；
D, the one-level detection messages sent from groove position mouth are returned from other groove position mouths, then illustrate groove position mouth and groove position mouth
Between produce link loopback.
It should be noted that in the default mode, the interval time of CPU transmission detection messages is five minutes, Preset Time
For the time that CPU continuously transmits three detection messages.Preset Time can also be other values, and here is not limited.
Step 103, identification PON system do not have link loopback or link broken ring, notify maintainer system health,
Detection of end.
There is chain between step 104, identification upper united mouth and upper united mouth, between upper united mouth and groove position mouth or between the mouth of each groove position
Road loopback, records loopback detection information and produces warning information.
At step 104, if it is determined that link loopback is present between upper united mouth and upper united mouth, then testing result is notified
Maintainer is processed accordingly, is then back to step 101 and is continued to detect；Otherwise, illustrate between upper united mouth and groove position mouth or
There is link loopback, execution step 105 between the mouth of each groove position.
The business model that equipment is connect under step 105, basis determines the pattern of VLAN, opens the ring on business board
Detection function is returned, each piece of business board sends secondary detection message to specified ONU respectively.
Wherein, including at least in secondary detection message has the ONU grant number of specified ONU and sends the industry of secondary detection message
The slot number of business board.
It should be noted that each piece of business board can select default mode, specify vlan to give out a contract for a project pattern or traversal mode
Send secondary detection message to specified ONU respectively.
Specifically, default pattern of giving out a contract for a project to be referred to and send secondary detection message based on acquiescence vlan, and the vlan of acquiescence is 4088；
Specified vlan patterns of giving out a contract for a project refer to that the vlan selected according to user sends secondary detection message；Traversal mode is referred to unclear
During business vlan in PON system, secondary detection message is opened from first vlan be sent to last vlan always successively.
Step 106, judge whether each business board receives the secondary detection message of return, if do not received, illustrate this
There is no link loopback or link broken ring between business board and the ONU that specifies, notify maintainer testing result, after
Continue the detection of next piece of business board, until completing detection of end after whole business board detections；Otherwise, according to secondary detection report
The ONU grant number carried in text and the slot number of business board are accurately positioned the business board that produces link loopback and specify
ONU。
After whole business board detections, notify that maintainer is overhauled.
In prior art, a large amount of system resources need to be taken during loopback detection for positioning loopback link, implementation process is loaded down with trivial details,
Testing result can not be reported in time, cause PON system link loop detection method less efficient.Compared with prior art, originally
Invention, by the loopback detection function in the loopback detection function and each business board of core swapdisk, hierarchical detection PON system
System, occupying system resources are less, can rapidly position the position of link loopback and produce warning information, and the implementation process is simple,
Testing result can be reported in time, substantially increase the efficiency of PON system link loopback detection.
As shown in Fig. 2 based on the above method, the embodiment of the present invention additionally provides a kind of PON system link loopback
The device 20 of detection, described device 20 includes：
First opening unit 201, for opening the loopback detection function of core swapdisk, by core swapdisk respectively to
The groove position mouth of each upper united mouth and each business disk sends one-level detection messages；
First judging unit 202, judges whether to receive in Preset Time by other upper united mouths for core swapdisk
Or the one-level detection messages that groove position mouth is returned, if it is, performing second assert unit 204；Otherwise, then perform first and assert list
Unit 203；
First assert unit 203, for assert that PON system does not have link loopback or link broken ring, notifies maintenance
Personnel, detection of end；
Second assert unit 204, for assert between upper united mouth and upper united mouth, between upper united mouth and groove position mouth or each groove position
There is link loopback between mouthful, during for there is link loopback between upper united mouth and groove position mouth or between the mouth of each groove position, then
Perform the second opening unit 205；
Second opening unit 205, for opening the loopback detection function on business board, each piece of business board respectively to
Specified ONU sends secondary detection message, and including at least in the secondary detection message has the ONU grant number of specified ONU and send
The slot number of the business board of secondary detection message；
Second judging unit 206, for judging whether each business board receives the secondary detection message of return, if do not received
Arrive, then illustrate not exist between the business board and the ONU that specifies link loopback or link broken ring, detection of end；It is no
Then, it is accurately positioned according to the slot number of the ONU grant number and business board that carry in secondary detection message and produces link loopback
Business board and the ONU for specifying.
The present invention is not limited to above-mentioned preferred forms, and anyone should learn the knot made under the enlightenment of the present invention
Structure change, it is every with of the invention with same or like technical scheme, each fall within protection scope of the present invention.
Claims (10)
- The method of 1.PON system link loopback detections, it is characterised in that comprise the following steps：Step 101：The loopback detection function of core swapdisk is opened, by core swapdisk respectively to each upper united mouth and each business The groove position mouth of disk sends one-level detection messages；Step 102：Core swapdisk judges whether to receive returned by other upper united mouths or groove position mouth in Preset Time Level detection messages, if it is, execution step 104；Otherwise, then execution step 103；Step 103：Assert that PON system does not have link loopback or link broken ring, notify maintainer, detection of end；Step 104：Assert and there is link ring between upper united mouth and upper united mouth, between upper united mouth and groove position mouth or between the mouth of each groove position Return, during for there is link loopback between upper united mouth and groove position mouth or between the mouth of each groove position, then execution step 105；Step 105：Loopback detection function on unlatching business board, each piece of business board sends two grades to specified ONU respectively Detection messages, including at least in the secondary detection message has the ONU grant number of specified ONU and sends the industry of secondary detection message The slot number of business board；Step 106：Judge whether each business board receives the secondary detection message of return, if do not received, illustrate the business There is no link loopback or link broken ring, detection of end between board and the ONU that specifies；Otherwise, according to secondary detection The ONU grant number carried in message and the slot number of business board are accurately positioned the business board that produces link loopback and specify ONU。
- 2. the method for claim 1, it is characterised in that the ethernet type in the one-level detection messages is set by user It is fixed.
- 3. the method for claim 1, it is characterised in that determine and exist between upper united mouth and upper united mouth after link loopback, The loopback detection information of record one-level detection messages simultaneously produces warning information.
- 4. the method for claim 1, it is characterised in that default pattern of giving out a contract for a project is can select in step 105, specifies vlan to send out Pack mode or traversal mode send secondary detection message.
- 5. method as claimed in claim 4, it is characterised in that the default pattern of giving out a contract for a project to be referred to and send two based on acquiescence vlan Level detection messages, specified vlan patterns of giving out a contract for a project refer to that the vlan selected according to user sends secondary detection message, described time The pattern of going through refers to that when business vlan in PON system is not known secondary detection message starts always successively from first vlan It is sent to last vlan.
- The device of 6.PON system link loopback detections, it is characterised in that described device includes：First opening unit, for opening the loopback detection function of core swapdisk, by core swapdisk respectively to each first line of a couplet The groove position mouth of mouth and each business disk sends one-level detection messages；First judging unit, judges whether to receive in Preset Time by other upper united mouths or groove position mouth for core swapdisk The one-level detection messages of return, if it is, performing second assert unit；Otherwise, then perform first and assert unit；First assert unit, for assert that PON system does not have link loopback or link broken ring, notifies maintainer, knot Beam is detected；Second assert unit, for assert between upper united mouth and upper united mouth, between upper united mouth and groove position mouth or between the mouth of each groove position There is link loopback, during for there is link loopback between upper united mouth and groove position mouth or between the mouth of each groove position, then performing Two opening units；Second opening unit, for opening the loopback detection function on business board, each piece of business board is respectively to specified ONU Secondary detection message is sent, including at least in the secondary detection message has the ONU grant number of specified ONU and send secondary detection The slot number of the business board of message；Second judging unit, for judging whether each business board receives the secondary detection message of return, if do not received, says There is no link loopback or link broken ring, detection of end between the bright business board and the ONU that specifies；Otherwise, according to The ONU grant number carried in secondary detection message and the slot number of business board are accurately positioned the business board for producing link loopback With specified ONU.
- 7. device as claimed in claim 6, it is characterised in that the ethernet type in the one-level detection messages is set by user It is fixed.
- 8. device as claimed in claim 6, it is characterised in that also include：Recording unit, for recording the loopback detection information of one-level detection messages and producing warning information.
- 9. device as claimed in claim 6, it is characterised in that default pattern of giving out a contract for a project is can select in the second opening unit, is specified Give out a contract for a project pattern or traversal modes of vlan sends secondary detection message.
- 10. device as claimed in claim 9, it is characterised in that the default pattern of giving out a contract for a project is referred to and sent based on acquiescence vlan Secondary detection message, specified vlan patterns of giving out a contract for a project refer to that the vlan selected according to user sends secondary detection message, described Traversal mode refers to that when business vlan in PON system is not known secondary detection message starts one from first vlan successively Straight hair is sent to last vlan.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510004410.8A CN104539348B (en) | 2015-01-06 | 2015-01-06 | PON system link loopback detection method and device |
| TR2017/13827A TR201713827T1 (en) | 2015-01-06 | 2015-11-03 | Method and apparatus for determining the connection loop of the PON system. |
| MYPI2016704438A MY188119A (en) | 2015-01-06 | 2015-11-03 | Method and device for detecting link loopback of pon system |
| PCT/CN2015/093671 WO2016110151A1 (en) | 2015-01-06 | 2015-11-03 | Method and device for detecting link loopback of pon system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510004410.8A CN104539348B (en) | 2015-01-06 | 2015-01-06 | PON system link loopback detection method and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104539348A CN104539348A (en) | 2015-04-22 |
| CN104539348B true CN104539348B (en) | 2017-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510004410.8A Active CN104539348B (en) | 2015-01-06 | 2015-01-06 | PON system link loopback detection method and device |
Country Status (4)
| Country | Link |
|---|---|
| CN (1) | CN104539348B (en) |
| MY (1) | MY188119A (en) |
| TR (1) | TR201713827T1 (en) |
| WO (1) | WO2016110151A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104539348B (en) * | 2015-01-06 | 2017-04-12 | 烽火通信科技股份有限公司 | PON system link loopback detection method and device |
| CN108632175B (en) * | 2017-03-22 | 2022-03-01 | 中兴通讯股份有限公司 | Switching method and device for uplink port in multi-form network |
| CN108123752B (en) * | 2017-12-29 | 2020-01-31 | 武汉长光科技有限公司 | EPON precise loop detection method based on geographic information positioning |
| CN113890603B (en) * | 2021-09-30 | 2023-03-28 | 杭州迪普信息技术有限公司 | Method and device for automatically positioning fault link |
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| CN101056224B (en) * | 2007-05-31 | 2010-09-22 | 杭州华三通信技术有限公司 | A loop detection method and device for the network device |
| CN104539348B (en) * | 2015-01-06 | 2017-04-12 | 烽火通信科技股份有限公司 | PON system link loopback detection method and device |
-
2015
- 2015-01-06 CN CN201510004410.8A patent/CN104539348B/en active Active
- 2015-11-03 MY MYPI2016704438A patent/MY188119A/en unknown
- 2015-11-03 TR TR2017/13827A patent/TR201713827T1/en unknown
- 2015-11-03 WO PCT/CN2015/093671 patent/WO2016110151A1/en active Application Filing
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| JP4611863B2 (en) * | 2005-10-27 | 2011-01-12 | アラクサラネットワークス株式会社 | Loop detection method and loop detection apparatus |
| CN101170462A (en) * | 2007-12-07 | 2008-04-30 | 杭州华三通信技术有限公司 | Downlink loop detection method and device for tree network |
| CN102055522A (en) * | 2009-11-10 | 2011-05-11 | 中兴通讯股份有限公司 | Optical network unit and port loopback detection method thereof |
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Also Published As
| Publication number | Publication date |
|---|---|
| MY188119A (en) | 2021-11-22 |
| CN104539348A (en) | 2015-04-22 |
| TR201713827T1 (en) | 2017-10-23 |
| WO2016110151A1 (en) | 2016-07-14 |
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