CN107888413A - CMTS system upper level link guard methods and device - Google Patents

CMTS system upper level link guard methods and device Download PDF

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Publication number
CN107888413A
CN107888413A CN201711069070.2A CN201711069070A CN107888413A CN 107888413 A CN107888413 A CN 107888413A CN 201711069070 A CN201711069070 A CN 201711069070A CN 107888413 A CN107888413 A CN 107888413A
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CN
China
Prior art keywords
level link
cmts
channel
status signal
link
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CN201711069070.2A
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Chinese (zh)
Inventor
黎家新
李振伟
吕海艇
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Sumavision Technologies Co Ltd
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Sumavision Technologies Co Ltd
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Priority to CN201711069070.2A priority Critical patent/CN107888413A/en
Publication of CN107888413A publication Critical patent/CN107888413A/en
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00Arrangements for maintenance or administration or management of packet switching networks
    • H04L41/06Arrangements for maintenance or administration or management of packet switching networks involving management of faults or events or alarms
    • H04L41/0654Network fault recovery
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B3/00Line transmission systems
    • H04B3/02Details
    • H04B3/46Monitoring; Testing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00Arrangements for maintenance or administration or management of packet switching networks
    • H04L41/06Arrangements for maintenance or administration or management of packet switching networks involving management of faults or events or alarms
    • H04L41/0654Network fault recovery
    • H04L41/0659Network fault recovery by isolating the faulty entity
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00Arrangements for monitoring or testing packet switching networks
    • H04L43/08Monitoring based on specific metrics
    • H04L43/0805Availability
    • H04L43/0811Connectivity
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00Arrangements for monitoring or testing packet switching networks
    • H04L43/08Monitoring based on specific metrics
    • H04L43/0805Availability
    • H04L43/0817Availability functioning
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00Arrangements for monitoring or testing packet switching networks
    • H04L43/08Monitoring based on specific metrics
    • H04L43/0823Errors

Abstract

The invention provides CMTS system upper level link guard methods and device, it is related to communication technical field, applied to link detecting system, the CMTS system upper level link guard methods include:It is the status signal for detecting upper level link first, wherein, upper level link is used to connect main CMTS and Cable networks, next to that when status signal occurs abnormal, control Cable line switchers send conversion signal, afterwards according to conversion signal, main CMTS and CM connection is converted into standby CMTS and CM connection, passes through above-mentioned processing procedure, can be when upper level link occurs abnormal, CM and standby CMTS are attached in time, it is efficiently quick so as to ensure that CM normal operation.

Description

CMTS system upper level link guard methods and device
Technical field
The present invention relates to communication technical field, more particularly to CMTS system upper level link guard methods and device.
Background technology
CMTS (English full name Cable Modem Terminal Systems) is Cable Modem Terminal System, it It is the equipment of management control cable modem (English full name Cable Modem, abbreviation CM).When in use, CM needs logical CMTS could be accessed by crossing Cable networks.
Cable networks are a kind of networks formed based on cable television network, and the access of Cable networks is namely based on CATV (HFC) network access technique of net, it is grown up with the expansion of network application, and at present, Cable networks mainly make Carried out data transmission with cable television network.The characteristics of Cable networks is that total bandwidth is big, bandwidth sharing, also, user terminal increases list Individual user Shi Suofen bandwidth can diminish.
Specifically, in CMTS connection procedures, the link in Cable networks is generally divided into upper level link and second line of a couplet chain Road, upper level link are connected with network-side, and second line of a couplet link is connected with client (namely CM).But the link in Cable networks Or the exception of CMTS first line of a couplet networks all can cause CM business to be affected., it is necessary to set Cable chains in existing processing procedure Road detection means detects to the link in network, when Cable detection means detects upper level link abnormal signal, people Work is restarted, i.e., CM reaches the standard grade again.Although CM function can be recovered, said process can give sensitiveness high unavoidably Business bring of short duration interruption.
To sum up, at present on CM normal operations can not be ensured during upper level link abnormal signal the problem of, there is no favourable solution Certainly method.
The content of the invention
In view of this, the purpose of the embodiment of the present invention is the provision of CMTS system upper level link guard methods and device, By setting standby CMTS etc., the efficiency of CM normal operations is improved in upper level link abnormal signal.
In a first aspect, the embodiments of the invention provide CMTS system upper level link guard methods, including:
Applied to link detecting system, method includes:
The status signal of upper level link is detected, wherein, upper level link is used to connect main CMTS and Cable networks;
When status signal occurs abnormal, control Cable line switchers send conversion signal;
According to conversion signal, main CMTS and CM connection is converted into standby CMTS and CM connection.
With reference in a first aspect, the embodiments of the invention provide the possible embodiment of the first of first aspect, wherein, inspection The status signal of upper level link is surveyed, wherein, upper level link includes for connecting main CMTS and Cable networks:
Whether the upper level link for detecting main CMTS disconnects;
When detecting that upper level link disconnects, the up channel parameter and down channel parameters of upper level link are preserved;
Close up channel and down channel;
After descending channel off, status signal is arranged to abnormal.
With reference to the first possible embodiment of first aspect, the embodiments of the invention provide second of first aspect Possible embodiment, wherein, the status signal of upper level link is detected, wherein, upper level link is used to connect main CMTS and Cable Network also includes:
The first line of a couplet for detecting IPv4 and IPv6, IPv4 or the IPv6 configured specifies the IP address of network element;
When detecting that upper level link is obstructed corresponding to IP address, and, obstructed number is equal to set in advance maximum attempt During the frequency of failure, the up channel and down channel of upper level link are closed;
After descending channel off, status signal is arranged to abnormal.
With reference to the first possible embodiment of first aspect, the embodiments of the invention provide the third of first aspect Possible embodiment, wherein, method also includes:
Whether detection upper level link connects again;
When detecting upper level link connection, up channel and down channel are opened;
Status signal is arranged to upstate.
With reference to second of possible embodiment of first aspect, the embodiments of the invention provide the 4th of first aspect kind Possible embodiment, wherein, method also includes:
Whether upper level link corresponding to detecting IP address is path;
When being consecutively detected number of the upper level link for path more than recovery number set in advance, up channel is opened And down channel;
Status signal is arranged to upstate.
Second aspect, the embodiments of the invention provide CMTS system upper level link protection devices, including:
Detection module, for detecting the status signal of upper level link, wherein, upper level link be used for connect main CMTS with Cable networks;
Control module, for when status signal occurs abnormal, control Cable line switchers to send conversion signal;
Modular converter, for according to conversion signal, main CMTS and CM connection to be converted into standby CMTS and CM connection.
With reference to second aspect, the embodiments of the invention provide the possible embodiment of the first of second aspect, wherein, inspection Surveying module includes:
Whether connection state detection unit, the upper level link for detecting main CMTS disconnect;
Parameter storage unit, for when detect upper level link disconnect when, preserve upper level link up channel parameter and Down channel parameters;
Channel off unit, for closing up channel and down channel;
Signal setting unit, for after descending channel off, status signal to be arranged into abnormal.
With reference to the first possible embodiment of second aspect, the embodiments of the invention provide second of second aspect Possible embodiment, wherein, detection module also includes:
IP address detection unit, the first line of a couplet for detecting the IPv4 configured and IPv6, IPv4 or IPv6 specify network element IP address;
Continuous detection unit, detect that upper level link is obstructed corresponding to IP address for working as, and, obstructed number is equal to pre- During the maximum trial frequency of failure first set, the up channel and down channel of upper level link are closed;
Abnormal setting unit, for after descending channel off, status signal to be arranged into abnormal.
The third aspect, the embodiment of the present invention also provide a kind of terminal, including memory and processor, and memory is used to deposit The program of the CMTS system upper level link guard methods of the above-mentioned aspect offer of computing device is supported in storage, and processor is configured as using In performing the program that is stored in memory.
Fourth aspect, the embodiment of the present invention also provide a kind of computer-readable storage medium, for storing above-mentioned aspect offer Computer software instructions used in CMTS system upper level link protection devices.
CMTS systems upper level link guard method provided in an embodiment of the present invention and device, applied to link detecting system, Wherein, the CMTS system upper level link guard methods include:It is the status signal for detecting upper level link first, needs exist for carrying out Illustrate, upper level link is used to connect main CMTS and Cable networks, detects that exception occurs in above-mentioned status signal next to that working as When, control Cable line switchers send conversion signal, also, according to conversion signal, main CMTS and CM connection is converted into Standby CMTS and CM connection, that is, cause CM by access Cable networks after being connected with standby CMTS, so as to ensure CM's Normal operation, the appearance for the situation for because the appearance such as main CMTS or upper level link are abnormal, influenceing CM work is effectively prevent, enters one Step improves the operational efficiency of system, convenient and swift.
Other features and advantages of the present invention will illustrate in the following description, also, partly become from specification Obtain it is clear that or being understood by implementing the present invention.The purpose of the present invention and other advantages are in specification, claims And specifically noted structure is realized and obtained in accompanying drawing.
To enable the above objects, features and advantages of the present invention to become apparent, preferred embodiment cited below particularly, and coordinate Appended accompanying drawing, is described in detail below.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, in describing below Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 shows the connection diagram for the CMTS system upper level link that the embodiment of the present invention is provided;
Fig. 2 shows the flow chart for the CMTS system upper level link guard methods that the embodiment of the present invention is provided;
Fig. 3 shows first of detection process in the CMTS system upper level link guard methods that the embodiment of the present invention is provided Flow chart;
Fig. 4 shows second of detection process in the CMTS system upper level link guard methods that the embodiment of the present invention is provided Flow chart;
Fig. 5 shows the structure connection figure for the CMTS system upper level link protection devices that the embodiment of the present invention is provided.
Icon:1- detection modules;2- control modules;3- modular converters.
Embodiment
Below in conjunction with accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Ground describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Generally exist The component of the embodiment of the present invention described and illustrated in accompanying drawing can be configured to arrange and design with a variety of herein.Cause This, the detailed description of the embodiments of the invention to providing in the accompanying drawings is not intended to limit claimed invention below Scope, but it is merely representative of the selected embodiment of the present invention.Based on embodiments of the invention, those skilled in the art are not doing The every other embodiment obtained on the premise of going out creative work, belongs to the scope of protection of the invention.
In CMTS connection procedures, the link in Cable networks is generally divided into upper level link and second line of a couplet link, first line of a couplet chain Road is connected with network-side, and second line of a couplet link is connected with CM.In the process of running, networked on the link or CMTS in Cable networks The exception of network all can cause CM operation to be affected.At present, Cable link detectings device is used for carrying out the link in network Detection, CM when Cable detection means detects upper level link abnormal signal, manually reached the standard grade, wasted time and energy again, or even meeting Influence CM function.
Based on this, the embodiments of the invention provide CMTS system upper level link guard methods and device, below by implementation Example is described.
Embodiment 1
Referring to Fig. 1, the annexation of CMTS system upper level link, the CMTS systems include under introducing first:Main CMTS (i.e. CMTS1), standby CMTS (i.e. CMTS2), Cable line switchers (i.e. Cable Switch), upper level link, second line of a couplet link And CM, CM are connected by second line of a couplet link with Cable line switchers, main CMTS and standby CMTS with Cable line switchers It is connected, also, main CMTS and standby CMTS pass through upper level link and Cable networks (the Netwrok provider i.e. in figure) It is connected.
Referring to Fig. 2, the CMTS system upper level link guard method that the present embodiment proposes is applied to link detecting system, specifically Comprise the following steps:
Step S101:The status signal of upper level link is detected, wherein, upper level link is used to connect main CMTS and Cable nets Network, i.e., can be using the preferable CMTS of hardware configuration as main CMTS, so as to drive CM preferably to carry out under normal use scene Work.Main CMTS is connected by upper level link with Cable networks, to obtain Internet resources etc..Need exist for illustrating, The link detecting system of status signal for detecting upper level link is typically located at the software systems in main CMTS.Detection Cycle length according to circumstances can flexibly be set.
Step S102:When status signal occurs abnormal, control Cable line switchers send conversion signal, work as detection When occurring abnormal to the status signal of upper level link, control Cable line switchers send conversion signal, it is necessary to illustrate It is that conversion signal is usually RF signals, RF signals are also known as radiofrequency signal, and it represents the electromagnetic frequency that can be radiated space, For frequency range between 300KHz~300GHz, RF signals are a kind of high-frequency ac change electromagnetic waves, long transmission distance, transmit letter It is number reliable and stable.
Step S103:According to conversion signal, main CMTS and CM connection is converted into standby CMTS and CM connection.Having Body implement when, directly triggered by conversion signal Cable line switchers original main CMTS and CM connection are converted into it is standby CMTS and CM connection.
Referring to Fig. 3, the status signal of upper level link is detected in step S101, wherein, upper level link is used to connect main CMTS The detection of following situations, i.e. CMTS first line of a couplet port is specifically included with the step of Cable networks:
Step S10101:Whether the upper level link for detecting main CMTS disconnects, i.e., the connection between main CMTS and Cable networks Whether disconnect.
Step S10102:When detecting that upper level link disconnects, the up channel parameter of upper level link and descending letter are preserved Road parameter, i.e., when the connection between main CMTS and Cable networks is already off, first to preserve the up channel parameter of upper level link And down channel parameters, used when recovering again so as to upper level link.
Step S10103:Up channel and down channel are closed, is keeping up channel parameter and down channel parameters Afterwards, up channel and down channel are closed.
Step S10104:After descending channel off, status signal is arranged to abnormal.Detect that down channel is closed Afterwards, status signal is arranged to abnormal, to remind Cable that line switcher is changed in time.
Referring to Fig. 4, the status signal of upper level link is detected in step S101, wherein, upper level link is used to connect main CMTS The step of with Cable networks also, specifically includes following situations, i.e. PING bags detect:
Step S10111:The first line of a couplet for detecting IPv4 and IPv6, IPv4 or the IPv6 configured specifies the IP address of network element, Needing exist for illustrating, IPv4 is Internet protocol (Internet Protocol, IP) fourth edition, and first It is individual to be widely used, form the basic agreement of Internet technology now.IPv6 is Internet Protocol Version 6 Abbreviation, wherein Internet Protocol are translated into " Internet protocol ".IPv6 be IETF (Internet Engineering Task group, Internet Engineering Task Force) that designs is used to substitute the IP of future generation of current edition IP agreement (IPv4) Agreement.Because the problem of IPv4 maximums is that network address resources are limited, the application and development of internet are seriously constrained.IPv6 Use, can not only solve the problems, such as network address resources quantity, and solve a variety of access devices and be connected into internet Obstacle.In the present embodiment, described IP includes IPv4 and IPv6, IPv4 or IPv6.
Step S10112:When detecting that upper level link is obstructed corresponding to IP address, and, obstructed number, which is equal to, to be preset It is maximum when attempting the frequency of failure, close the up channel and down channel of upper level link.For example, when to an IP in IPv6 When corresponding upper level link carries out path detection, it is found that obstructed number reaches the maximum frequency of failure of attempting set in advance and (needed To be illustrated, the maximum frequency of failure of attempting set in advance is usually an empirical value) when, that is, judge the upper level link Really it is obstructed, now, closes the up channel and down channel of upper level link.
Step S10113:After descending channel off, status signal is arranged to abnormal.When detect down channel close Afterwards, status signal is arranged to abnormal, to remind Cable that line switcher is changed in time.
In addition, in order to recover the use of upper level link as early as possible, CMTS system upper level link guard methods also include:
(1) whether detection upper level link connects again, that is, corresponds to the detection process of CMTS first line of a couplet port, detects upper level link Whether connect again.
(2) when detecting upper level link connection, up channel and down channel is opened, that is, passes through the channel of above-mentioned preservation Parameter reopens up channel and down channel.
(3) status signal is arranged to upstate.Upper level link is arranged to upstate, so that main CMTS recovers To the connection with upper level link.
In addition, in order to recover the use of upper level link as early as possible, CMTS system upper level link guard methods also include:
(1) whether upper level link corresponding to detection IP address is path, that is, PING bag detection process is corresponded to, come with detecting IP Whether upper level link corresponding to location connects again.
(2) when being consecutively detected number of the upper level link for path more than recovery number set in advance, open up Channel and down channel are, it is necessary to illustrate, and in order to ensure the patency of upper level link, upper level link needs continuously examining Ensure the number of path during survey, recovery number set in advance is an empirical value here, the big I root of concrete numerical value Flexibly set according to usage scenario.
(3) status signal is arranged to upstate.Upper level link is arranged to upstate, so that main CMTS recovers To the connection with upper level link.
In summary, the CMTS system upper level link guard methods that the present embodiment provides include:Firstly the need of the detection first line of a couplet For the status signal of link, it is necessary to illustrate, upper level link is the communication chain for connecting main CMTS and Cable networks Road, next to that when detecting that above-mentioned status signal occurs abnormal, control Cable line switchers send conversion signal, also, According to conversion signal, main CMTS and CM connection is converted into standby CMTS and CM connection, makes CM by connecting with standby CMTS Access Cable networks after connecing, so as to effectively prevent because the appearance such as main CMTS or upper level link have an impact to CM extremely Situation occur, further improve the operational efficiency of system, it is convenient and swift.
Embodiment 2
Referring to Fig. 5, present embodiments providing CMTS system upper level link protection devices includes:The detection module being sequentially connected 1st, control module 2 and modular converter 3, detection module 1 are used for the status signal for detecting upper level link, wherein, upper level link is used for Connect main CMTS and Cable networks.Control module 2 is used for when status signal occurs abnormal, control Cable line switcher hairs Go out conversion signal.Modular converter 3 is used for according to conversion signal, and main CMTS and CM connection is converted into standby CMTS and CM company Connect.
Wherein, detection module 1 includes:Whether the upper level link that connection state detection unit is used to detect main CMTS disconnects. Parameter storage unit is used for the up channel parameter and down channel ginseng for when detecting that upper level link disconnects, preserving upper level link Number.Channel off unit is used to close up channel and down channel.Signal setting unit is used for after descending channel off, will Status signal is arranged to abnormal.
Wherein, detection module 1 also includes:IP address detection unit be used to detecting the IPv4 that configures and IPv6, IPv4 or The person IPv6 first line of a couplet specifies the IP address of network element.Continuous detection unit, which is used to work as, detects that upper level link is not corresponding to IP address It is logical, and, obstructed number is equal to set in advance maximum when attempting the frequency of failure, closes the up channel of upper level link and descending Channel.Abnormal setting unit is used for after descending channel off, and status signal is arranged into abnormal.
In summary, the CMTS system upper level link protection devices that the present embodiment provides include:The detection mould being sequentially connected Block 1, control module 2 and modular converter 3, in use, detection module 1 is used for the status signal for detecting upper level link, wherein, the first line of a couplet Link is used to connect main CMTS and Cable networks, and control module 2 is used to, when status signal occurs abnormal, control Cable circuits Switch sends conversion signal, and modular converter 3 is used for according to conversion signal, and main CMTS and CM connection is converted into standby CMTS With CM connection, by the setting of above-mentioned modules, when upper level link occurs abnormal, CM can be transformed into standby in time Continue to operate on CMTS, its function is unaffected, so as to ensure that CM operating efficiency.
The embodiment of the present invention additionally provides a kind of terminal, including memory and processor, and memory, which is used to store, to be supported The program of computing device above-described embodiment method, processor are configurable for performing the program stored in memory.It is above-mentioned Terminal can be the terminating machine of detecting system, detection means etc..
The present embodiment additionally provides a kind of computer-readable storage medium, for saving as used in the device of above-described embodiment offer Computer software instructions.
It should be noted that each embodiment in this specification is described by the way of progressive, each embodiment weight Point explanation is all difference with other embodiment, between each embodiment identical similar part mutually referring to. The two-way radio communication device and terminal that the embodiment of the present invention is provided, its realization principle and caused technique effect and foregoing side Method embodiment is identical, and to briefly describe, device embodiment part does not refer to part, refers in corresponding in preceding method embodiment Hold.
In several embodiments provided herein, it should be understood that disclosed apparatus and method, can also pass through Other modes are realized.Device embodiment described above is only schematical, for example, flow chart and block diagram in accompanying drawing Show the device of multiple embodiments according to the present invention, method and computer program product architectural framework in the cards, Function and operation.At this point, each square frame in flow chart or block diagram can represent the one of a module, program segment or code Part, a part for the module, program segment or code include one or more and are used to realize holding for defined logic function Row instruction.It should also be noted that at some as in the implementation replaced, the function that is marked in square frame can also with different from The order marked in accompanying drawing occurs.For example, two continuous square frames can essentially perform substantially in parallel, they are sometimes It can perform in the opposite order, this is depending on involved function.It is it is also noted that every in block diagram and/or flow chart The combination of individual square frame and block diagram and/or the square frame in flow chart, function or the special base of action as defined in performing can be used Realize, or can be realized with the combination of specialized hardware and computer instruction in the system of hardware.
In addition, each functional module or unit in each embodiment of the present invention can integrate and to form an independence Part or modules individualism, can also two or more modules be integrated to form an independent portion Point.
If the function is realized in the form of software function module and is used as independent production marketing or in use, can be with It is stored in a computer read/write memory medium.Based on such understanding, technical scheme is substantially in other words The part to be contributed to prior art or the part of the technical scheme can be embodied in the form of software product, the meter Calculation machine software product is stored in a storage medium, including some instructions are causing a computer equipment (can be People's computer, server, or network equipment etc.) perform all or part of step of each embodiment methods described of the present invention. And foregoing storage medium includes:USB flash disk, mobile hard disk, read-only storage (ROM, Read-OnlyMemory), arbitrary access are deposited Reservoir (RAM, Random Access Memory), magnetic disc or CD etc. are various can be with the medium of store program codes.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality Body or operation make a distinction with another entity or operation, and not necessarily require or imply and deposited between these entities or operation In any this actual relation or order, can not be interpreted as indicating or implying relative importance.Moreover, term " bag Include ", "comprising" or any other variant thereof is intended to cover non-exclusive inclusion so that the mistake including a series of elements Journey, method, article or equipment not only include those key elements, but also the other element including being not expressly set out, either Also include for this process, method, article or the intrinsic key element of equipment.In the absence of more restrictions, by sentence The key element that "including a ..." limits, it is not excluded that also deposited in the process including the key element, method, article or equipment In other identical element.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies Change, equivalent substitution, improvement etc., should be included in the scope of the protection.It should be noted that:Similar label and letter exists Similar terms is represented in following accompanying drawing, therefore, once being defined in a certain Xiang Yi accompanying drawing, is then not required in subsequent accompanying drawing It is further defined and explained.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained Cover within protection scope of the present invention.Therefore, protection scope of the present invention described should be defined by scope of the claims.

Claims (10)

1.CMTS system upper level link guard methods, it is characterised in that applied to link detecting system, methods described includes:
The status signal of upper level link is detected, wherein, the upper level link is used to connect main CMTS and Cable networks;
When the status signal occurs abnormal, control Cable line switchers send conversion signal;
According to the conversion signal, the connection of the main CMTS and CM is converted into standby CMTS and CM connection.
2. CMTS systems upper level link guard method according to claim 1, it is characterised in that the detection upper level link Status signal, wherein, the upper level link is used to connect main CMTS and Cable networks and include:
Whether the upper level link for detecting the main CMTS disconnects;
When detecting that the upper level link disconnects, the up channel parameter and down channel parameters of the upper level link are preserved;
Close the up channel and the down channel;
After the down channel is closed, the status signal is arranged to abnormal.
3. CMTS systems upper level link guard method according to claim 2, it is characterised in that the detection upper level link Status signal, wherein, the upper level link is used to connect main CMTS and Cable networks and also include:
The first line of a couplet for detecting IPv4 and IPv6, IPv4 or the IPv6 configured specifies the IP address of network element;
When detecting that upper level link corresponding to the IP address is obstructed, and, obstructed number is equal to set in advance maximum attempt During the frequency of failure, the up channel of the upper level link and the down channel are closed;
After the down channel is closed, the status signal is arranged to abnormal.
4. CMTS systems upper level link guard method according to claim 2, it is characterised in that methods described also includes:
Detect whether the upper level link connects again;
When detecting the upper level link connection, the up channel and the down channel are opened;
The status signal is arranged to upstate.
5. CMTS systems upper level link guard method according to claim 3, it is characterised in that methods described also includes:
Detect whether upper level link corresponding to the IP address is path;
When being consecutively detected number of the upper level link for path more than recovery number set in advance, open described up Channel and the down channel;
The status signal is arranged to upstate.
6.CMTS system upper level link protection devices, it is characterised in that including:
Detection module, for detecting the status signal of upper level link, wherein, the upper level link be used for connect main CMTS with Cable networks;
Control module, for when the status signal occurs abnormal, control Cable line switchers to send conversion signal;
Modular converter, for according to the conversion signal, the connection of the main CMTS and CM to be converted into standby CMTS and CM Connection.
7. CMTS systems upper level link protection device according to claim 6, it is characterised in that the detection module bag Include:
Whether connection state detection unit, the upper level link for detecting the main CMTS disconnect;
Parameter storage unit, for when detecting that the upper level link disconnects, preserving the up channel ginseng of the upper level link Number and down channel parameters;
Channel off unit, for closing the up channel and the down channel;
Signal setting unit, for after the down channel is closed, the status signal to be arranged into abnormal.
8. CMTS systems upper level link protection device according to claim 7, it is characterised in that the detection module also wraps Include:
IP address detection unit, the first line of a couplet for detecting the IPv4 configured and IPv6, IPv4 or IPv6 specify the IP of network element Address;
Continuous detection unit, detect that upper level link corresponding to the IP address is obstructed for working as, and, obstructed number is equal to pre- During the maximum trial frequency of failure first set, the up channel of the upper level link and the down channel are closed;
Abnormal setting unit, for after the down channel is closed, the status signal to be arranged into abnormal.
9. a kind of terminal, it is characterised in that including memory and processor, the memory, which is used to store, supports processor to hold The program of any one of row claim 1 to 5 methods described, the processor are configurable for performing and stored in the memory Program.
10. a kind of computer-readable storage medium, it is characterised in that for saving as used in any one of claim 6 to 8 described device Computer software instructions.
CN201711069070.2A 2017-11-03 2017-11-03 CMTS system upper level link guard methods and device Pending CN107888413A (en)

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CN104579746A (en) * 2014-12-05 2015-04-29 北京锦鸿希电信息技术股份有限公司 Method and device for controlling dual-link transmission
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Publication number Priority date Publication date Assignee Title
CN1429434A (en) * 2000-04-19 2003-07-09 河流三角洲网络工程有限公司 Redundancy in radio frequency communication
CN1656804A (en) * 2001-11-26 2005-08-17 Adc宽带通道系统公司 Passive CMTS redundancy
CN1663267A (en) * 2002-04-15 2005-08-31 伍伟铮 Full-service broadband cable modem system
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Application publication date: 20180406