CN107026748A - Communication means and CMTS in network based on CMTS networkings - Google Patents
Communication means and CMTS in network based on CMTS networkings Download PDFInfo
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- CN107026748A CN107026748A CN201610071383.0A CN201610071383A CN107026748A CN 107026748 A CN107026748 A CN 107026748A CN 201610071383 A CN201610071383 A CN 201610071383A CN 107026748 A CN107026748 A CN 107026748A
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- cmts
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- dhcp
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/04—Network management architectures or arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0654—Management of faults, events, alarms or notifications using network fault recovery
- H04L41/0659—Management of faults, events, alarms or notifications using network fault recovery by isolating or reconfiguring faulty entities
- H04L41/0661—Management of faults, events, alarms or notifications using network fault recovery by isolating or reconfiguring faulty entities by reconfiguring faulty entities
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0803—Configuration setting
- H04L41/0813—Configuration setting characterised by the conditions triggering a change of settings
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/085—Retrieval of network configuration; Tracking network configuration history
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/10—Adaptations for transmission by electrical cable
- H04N7/106—Adaptations for transmission by electrical cable for domestic distribution
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/22—Adaptations for optical transmission
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Multimedia (AREA)
- Telephonic Communication Services (AREA)
Abstract
Technical scheme provides the communication means and CMTS in a kind of network based on CMTS networkings.The communication means is：CMTS determines to reach the standard grade again after the CM being connected with the CMTS is offline；The CPE being connected with CM recorded before CMTS reaches the standard grade again according to CM on CMTS relevant information is sent for triggering the message that CPE is dialled to CPE；What CPE receptions CMTS was sent is used to trigger the message that CPE is dialled；CPE is received after the above-mentioned message of CMTS transmissions, is dialled.Technical scheme, can trigger CPE by CMTS when being reached the standard grade after CM is offline again and be dialled.
Description
Technical field
The present invention relates to the communication party in the communications field, more particularly to a kind of network based on CMTS networkings
Method and CMTS.
Background technology
Based on Cable Modem Termination System (Cable Modem Termination System,
CMTS) in the network architecture of networking under home business application scenarios, cable modem (Cable
Modem, CM) user side Ethernet (Ethernet, ETH) port and customer premises equipment, CPE
(Customer Premises Equipment, CPE) is joined directly together.When being reached the standard grade again after CM is offline,
Its user side ETH ports can be closed and opened, to trigger the state change that CPE perceives CM.
CPE is perceived after CM state change, initiates DHCP (Dynamic Host
Configuration Protocol, DHCP) re-rent, refresh IP address and rental period, and other configurations,
Refresh Services state.
But when using some business models in the CMTS network architectures, bridge joint CM may be empty without addition
Intend the ability of LAN (Virtual Local Area Network, VLAN) label.Now, if uncommon
Hope and distinguish customer service using VLAN tag, it is necessary to LAN interchanger (LAN is hung under CM
Swich, LSW), LAN is Local Area Network abbreviation.LSW is not to the of the same trade or business of CPE
The different service VLAN of business addition.But in this case, when CM is to its user side ETH ends
When mouth is closed and opened, only LSW can be perceived, and CPE can not be perceived.Therefore CPE
DHCP can not be initiated to re-rent, refreshed IP address and rental period, and other configurations, traffic affecting is just
Often operation.Such as, CM is offline and after reaching the standard grade, and CM has changed the CPE network segment or access rights, and
CPE can not be perceived, and new configuration information can not be obtained in a long time, so as to cause service disconnection.
The content of the invention
The invention provides communication means, CMTS and the CPE in a kind of network based on CMTS networkings,
CPE can be triggered when reaching the standard grade after CM is offline again by CMTS to be dialled.
In a first aspect, the invention provides the communication means in a kind of network based on CMTS networkings.It is first
First, CMTS determines to reach the standard grade again after connected CM is offline；Then CMTS is according to CM weights
The CPE being connected with CM recorded before newly reaching the standard grade on CMTS relevant information, sends to the CPE and uses
In triggering the message that is dialled of the CPE.
The communication means of the present invention, can cause when being reached the standard grade again after CM is offline, can be by CMTS
To perceive CM state change, and message is sent to the CPE being connected with CM, to trigger CPE weights
New dialing, so that CPE can reacquire configuration information, it is ensured that business is normally carried out.
In a kind of possible implementation, the triggering message that CMTS is sent to CPE is according to CMTS
The CPE of upper record IP address information, Dynamic Host Configuration Protocol server information and gateway information is sent to CPE
's.
In a kind of possible implementation, the triggering message that CMTS is sent to CPE is CMTS true
Determine that CM is offline and message of request Dynamic Host Configuration Protocol server generation after reach the standard grade again, CMTS receives DHCP
The message that server is sent, and transmit the message to CPE.
In a kind of possible implementation, DHCP IPv4 are used to assist between CMTS and CPE
View, then CMTS to CPE send be DHCP IPv4 force renewal messages, i.e. DHCP IPv4
Forcerenew messages.
In a kind of possible implementation, DHCP IPv6 are used to assist between CMTS and CPE
View, then what CMTS was sent to CPE is DHCP IPv6 reconfiguration messages, i.e. DHCP IPv6
Reconfigure messages.
Second aspect, the invention provides the communication means in a kind of network based on CMTS networkings.It is first
First, what CPE receptions CMTS was sent is used to trigger the message that the CPE is dialled；Then CPE enters
Row dialing.
The communication means of the present invention, can cause when being reached the standard grade again after CM is offline, and CMTS is perceived
After CM state change, the message that triggering CPE dials again is sent to the CPE being connected with CM.
CPE is received after the triggering message, is dialled, to reacquire configuration information, it is ensured that business is just
Often carry out.
In a kind of possible implementation, the message that CPE is received carries out DHCP dialing to trigger it
Message.Now, CPE carries out DHCP dialing.
In a kind of possible implementation, the triggering message that CPE is received is DHCP IPv4
Forcerenew messages or DHCP IPv6Reconfigure messages.
The third aspect, the invention provides a kind of CMTS, the CMTS includes determining module and sends mould
Block.Determining module is used to determine to reach the standard grade again after the CM being connected with CMTS is offline；Sending module is used for
The CPE being connected with CM recorded before being reached the standard grade again according to CM relevant information, sends to CPE and uses
The message dialled in triggering CPE.
The CMTS of the present invention can perceive CM it is offline after reach the standard grade again, and to being connected with CM
CPE sends message, is dialled again with triggering CPE, so that CPE can be reacquired with confidence
Breath, it is ensured that business is normally carried out.
In a kind of possible implementation, sending module specifically for being reached the standard grade according to CM before CMTS
The CPE of upper record IP address information, Dynamic Host Configuration Protocol server information and gateway information sends to CPE and used
The message of DHCP dialing is carried out in triggering CPE.
In a kind of possible implementation, the message that CMTS is sent to CPE is DHCP IPv4
Forcerenew messages or DHCP IPv6Reconfigure messages.
Fourth aspect is there is provided a kind of CPE, and it includes receiving module and dial module.Receiving module is used
In reception CMTS transmissions for triggering its message dialled；Dial module is used in receiving module
Dialled when receiving above-mentioned message.
The CPE of the present invention, receives CMTS and perceives the triggering CPE weights sent after CM state change
The message newly dialled, and being dialled, to reacquire configuration information, it is ensured that business is normally carried out.
In a kind of possible implementation, it is triggering CPE that receiving module, which receives the message of CMTS transmissions,
The message of DHCP dialing is carried out, dial module is carried out when receiving the receiving module reception message
DHCP dials.
In a kind of possible implementation, the triggering message that receiving module receives CMTS transmissions is
DHCP Forcerenew messages or DHCP IPv6Reconfigure messages.
5th aspect, the invention provides a kind of CMTS, the CMTS include processor, memory,
Bus system, receiver and transmitter.Wherein, processor, memory, receiver and transmitter pass through
Bus system is connected, and the memory is used for store instruction, and the processor is used to perform the memory storage
Instruction, the processor is specifically for calling transmitter to perform first aspect and its various possible implementations
In communication means.
The CMTS of the present invention can perceive CM it is offline after reach the standard grade again, and to being connected with CM
CPE sends message, is dialled again with triggering CPE, so that CPE can be reacquired with confidence
Breath, it is ensured that business is normally carried out.
6th aspect, the invention provides a kind of CPE, the CPE includes processor, memory, total
Linear system system, receiver and transmitter.Wherein, processor, memory, receiver and transmitter pass through total
Linear system system is connected, and the memory is used for store instruction, and the processor is used for the finger for performing the memory storage
Order, the processor is specifically for calling receiver to perform in second aspect and its various possible implementations
Communication means.
The CPE of the present invention, receives CMTS and perceives the triggering CPE weights sent after CM state change
The message newly dialled, and being dialled, to reacquire configuration information, it is ensured that business is normally carried out.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be in the embodiment of the present invention
The required accompanying drawing used is briefly described, it should be apparent that, drawings described below is only this
Some embodiments of invention, for those of ordinary skill in the art, are not paying creative work
Under the premise of, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the network architecture schematic diagram based on CMTS networkings of one embodiment of the invention；
Fig. 2 for one embodiment of the invention the network based on CMTS networkings in communication means signal
Property flow chart；
Fig. 3 is the CMTS of one embodiment of the invention schematic diagram；
Fig. 4 is the CMTS of another embodiment of the present invention schematic diagram；
Fig. 5 is the CPE of one embodiment of the invention schematic diagram；
Fig. 6 is the CPE of another embodiment of the present invention schematic diagram.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out
Clearly and completely describe, it is clear that described embodiment is a part of embodiment of the invention, rather than
Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making wound
The every other embodiment obtained under the premise of the property made work, belongs to the scope of protection of the invention.
In order to make it easy to understand, first description can implement the net of the communication means of the embodiment of the present invention on the whole
The exemplary plot of network framework.It should be understood that the embodiment of the present invention is not limited in the network architecture shown in Fig. 1,
In addition, the device in Fig. 1 can be hardware or the software functionally divided or the above two
The structure of person.
In Fig. 1, the internet connection of CMTS and front end.What is be connected with internet can also have DHCP
(Dynamic Host Configuration Protocol) server, TFTP (Trivial
File Transfer Protocol, TFTP) other network equipments such as server, for sake of simplicity, not having in Fig. 1
Provide.CMTS passes through hybrid fiber coax (Hybrid Fiber-Coaxial, HFC)
It is connected with multiple CM.Each CM is connected by LSW with multiple CPE.
CMTS is management control CM equipment, and its configuration can be connect by console (Console)
Mouth or Ethernet interface are completed.It, which configures content, mainly has：Downstream frequency, Corticofugal Modulation of Somatosensory mode,
Downlink electrical equality.Downstream frequency can arbitrarily be set in specified frequency range, but in order to not do
The signal of other channels is disturbed, the channel division table that should refer to cable television is selected on defined frequency.
The selection of modulation system is considered as the transmission quality of channel.In addition, there is provision of Dynamic Host Configuration Protocol server,
The IP address of tftp server, CMTS IP address etc..It is above-mentioned be provided with after, if in
Between circuit fault-free, the decay of signal level meets the requirements, then starts Dynamic Host Configuration Protocol server, TFTP
Server etc., so that it may set up normal communication port between the internet and CM of front end.
CM is mainly used in cable television network and carried out data transmission.C (Cable) refers to cable television network
Network, M (Modem) is modem.Usually with Modem by internet on telephone wire,
And CM is the equipment for being used for upper internet on cable TV network, it is serially connected in user house
Between cable of cable TV socket and equipment for surfing the net (CPE in such as Fig. 1).It will user
Backward internet of the upstream data modulation of upload etc. is transmitted, the downlink data that internet etc. is sent
Equipment for surfing the net is transferred to after demodulation.
HFC backbone is using optical fiber is used, and light node cell is interior to use dendritic bus coaxial electric cable network
Connect user.LSW is used to add service VLAN label to CPE business.CPE is also referred to as
Customer terminal equipment CPE customer terminal equipments, such as tablet personal computer, PC or other online
Equipment.
In the network shown in fig. 1, after CM is offline to reach the standard grade again, CPE needs to dial again
Number, to reacquire configuration information, such as obtain new IP address, rental period or update service condition.
Communication means CM lower limits of the embodiment of the present invention are reached the standard grade again after is introduced with reference to Fig. 2.
S201, CMTS determine to reach the standard grade again after connected CM is offline.
CMTS can be disconnected in CM or during power down, determine that CM is offline.If CM is offline,
When being in offline states, CMTS can not receive continuous ranging (Ranging) by checking
Message can determine that CMTS is offline.
When CM completes registration and data, i.e. CM can be forwarded to be in online states, CMTS
Can by detection receive CM transmission accreditation verification (Registration Acknowledge,
REG-ACK) message can determine that CMTS reaches the standard grade.The detailed process that CM reaches the standard grade can include：
CMTS first receives registration (Registration, REG) request message of CM transmissions, then CMTS
Registration response (REG-response) message is sent to CM, CM sends REG-ACK to CMTS again
Message.Therefore, when CMTS receives the REG-ACK message of CM transmissions, it can thereby determine that
CM reaches the standard grade,
CM is offline also to mean that CM has reached the standard grade before this, is reached the standard grade before CM or and CM
When the CPE of connection reaches the standard grade, CMTS can record some information related with CPE to CM.Such as work as CMTS
When using DHCP between CM and CPE, CMTS makees DHCP relay (Relay) and detectd
Listen (Snooping), record the CPE address information being connected with CM, Dynamic Host Configuration Protocol server information and
Gateway information etc..When using DHCP IPv6 between CMTS and CM and CPE, CMTS
The DHCP IPv6 required verification process that reconfigures can also be acted on behalf of.
Certainly, the point-to-point association that can also be used on Ethernet is used between CMTS and CM and CPE
Discuss (Point to Point Protocol over Ethernet, PPPoE).
S202, CMTS when reaching the standard grade again after it is determined that CM is offline, before being reached the standard grade again according to CM
The CPE being connected with CM recorded on CMTS relevant information, sends for triggering the CPE to CPE
The message dialled.CMTS can send message, request server generation triggering CPE to server
The message dialled, then receives the message, and the message is sent into CPE, is entered with triggering CPE
Row dialing.CMTS can also be according to the information of record, and emulating server generation is simultaneously sent to CPE touches
The message that hair CPE is dialled.As CM and which CMTS can know according to the information being previously recorded
A little CPE connections and these CPE address, therefore after CM reaches the standard grade again, CMTS can know
Road needs which CPE to send triggering message to.
If DHCP IPv6 are used between CMTS and CM and CPE, CMTS can be simulated
Dynamic Host Configuration Protocol server sends DHCP IPv6Reconfigure messages to CPE, and the message is carried for referring to
Show the configured information that CPE is dialled, dialled again with triggering CPE.If CMTS and CM and
When DHCP IPv4 are used between CPE, CMTS can simulate Dynamic Host Configuration Protocol server and be sent out to CPE
DHCP IPv4Forcerenew messages are sent, the message is carried for indicating the instruction that CPE is dialled
Information, is dialled again with triggering CPE.Send DHCP IPv6Reconfigure messages and DHCP IPv4
Forcerenew messages need to know CPE address information, Dynamic Host Configuration Protocol server information and gateway information etc.,
And had record on these information CMTS.CMTS can also generate other and meet DHCP IPv6
Or DHCP IPv4 message, as long as the message is carried for indicating the configured information that CPE is dialled,
CPE can be triggered to be dialled.
If using other agreements, such as PPPoE between CMTS and CM and CPE, that CMTS
The message of correspondence form can be generated, and the message is carried for indicating the finger that CPE is dialled
Show information, dialled with triggering CPE.
What S203, CPE reception CMTS were sent is used to trigger the message that CPE is dialled.CPE connects
Receive CMTS and pass through being used for of sending of equipment between CPE and CMTS disappearing of triggering that CPE dialled
Breath, such as passes through CM and LSW.
S204, CPE are dialled.CPE receives being dialled for triggering CPE for CMTS transmissions
Message after, it is possible to again dial.
If for example, using DHCP IPv6, CPE to receive between CMTS and CM and CPE
Carry after the Reconfigure messages for indicating the configured information that CPE is dialled, can basis
Configured information in the message dials again.If using DHCP between CMTS and CM and CPE
IPv4, CPE receive the Forcerenew carried for indicating the configured information that CPE is dialled
After message, can again it be dialled according to the configured information in the message
If using other to carry the finger for indicating that CPE is dialled between CMTS and CM and CPE
Show the agreement of information or the message of extended formatting, CPE is received after these message, can be according to the message
In configured information dial again.After CPE dials again, configuration information, such as CPE can be reacquired
New IP address or the rental period, or update the CPE state of business etc..
Therefore, the communication means of the embodiment of the present invention, can cause when being reached the standard grade after CM is offline again,
CMTS can notify that the CPE being connected with CM is dialled, with the configuration information for the CPE that upgrades in time,
So as to ensure the normal operation of CPE business.
The CMTS of the embodiment of the present invention is introduced with reference to Fig. 3.CMTS shown in Fig. 3 includes
Determining module 301 and sending module 302.
Determining module 301 is used to determine to reach the standard grade again after the CM being connected with CMTS is offline.Sending module
302 be used to recording on CMTS before being reached the standard grade again according to CM related to the CPE's of CM connections believe
Breath, sends for triggering the message that CPE is dialled to CPE.
The CMTS of the present invention, can perceive CM it is offline after reach the standard grade again, and to being connected with CM
CPE sends message, is dialled again with triggering CPE, so that CPE can be reacquired with confidence
Breath, it is ensured that business is normally carried out.
It should be understood that the CMTS that the CMTS of the embodiment of the present invention shown in Fig. 3 may correspond in Fig. 1, and
And the CMTS of the embodiment of the present invention can realize above-mentioned in the communication means shown in Fig. 2 and/or other
Function, for sake of simplicity, will not be repeated here.
Fig. 4 is the CMTS of another embodiment of the present invention schematic diagram.Shown in Fig. 4
CMTS includes processor 410, memory 420, bus system 430, receiver 440 and transmitter
450.Wherein, processor 410, memory 420, receiver 440 and transmitter 450 pass through total linear system
System 430 is connected, and the memory 420 is used for store instruction, and the processor 410 is used to perform the memory
The instruction of 420 storages, to control receiver 440 to receive signal, and controls transmitter 450 to send signal.
Wherein, the processor 410 is used to determine to reach the standard grade again after connected CM is offline, transmitter 450
For being sent to the CPE being connected with CM for triggering the message that the CPE is dialled.
The CMTS of the present invention, can perceive CM it is offline after reach the standard grade again, and to being connected with CM
CPE sends message, is dialled again with triggering CPE, so that CPE can be reacquired with confidence
Breath, it is ensured that business is normally carried out.
It should be understood that the CMTS that the CMTS of the embodiment of the present invention shown in Fig. 4 may correspond in Fig. 1,
The CMTS that may correspond in Fig. 3, such as processor 410 correspondence determining module 301,450 pairs of transmitter
Sending module 302 is answered, and the CMTS of the embodiment of the present invention can realize the communication means shown in Fig. 2
In above-mentioned and/or other functions, for sake of simplicity, will not be repeated here.
Fig. 5 is the CPE of one embodiment of the invention schematic diagram.CPE bags shown in Fig. 5
Include receiving module 501 and dial module 502.
Receiving module 501 be used for receive CMTS transmission be used for trigger its message dialled.Dialing
Module 502 is used to be dialled when receiving module 501 receives above-mentioned message.
The CPE of the present invention, receives CMTS and perceives the triggering CPE weights sent after CM state change
The message newly dialled, and being dialled, to reacquire configuration information, it is ensured that business is normally carried out.
It should be understood that the CPE that the CPE of the embodiment of the present invention shown in Fig. 5 may correspond in Fig. 1, and
The CPE of the embodiment of the present invention can realize above-mentioned and/or other functions in the communication means shown in Fig. 2,
For sake of simplicity, will not be repeated here.
Fig. 6 is the CPE of another embodiment of the present invention schematic diagram.CMTS shown in Fig. 6
Including processor 610, memory 620, bus system 630, receiver 640 and transmitter 650.Its
In, processor 610, memory 620, receiver 640 and transmitter 650 pass through bus system 630
It is connected, the memory 620 is used for store instruction, the processor 610 is deposited for performing the memory 620
The instruction of storage, to control receiver 640 to receive signal, and controls transmitter 650 to send signal.Wherein,
The receiver 640 be used for CPE receive CMTS send be used for trigger the message that CPE is dialled,
Processor 610 is used to be dialled when receiver 640 receives above-mentioned message.
The CPE of the present invention, receives CMTS and perceives the triggering CPE weights sent after CM state change
The message newly dialled, and being dialled, to reacquire configuration information, it is ensured that business is normally carried out.
It should be understood that the CPE that the CPE of the embodiment of the present invention shown in Fig. 6 may correspond in Fig. 1, also may be used
Corresponding to the CPE in Fig. 5, such as correspondence of processor 610 dial module 502, the correspondence of receiver 640 connects
Receive module 501, and the embodiment of the present invention CPE can realize it is upper in the communication means shown in Fig. 2
State and/or other functions, for sake of simplicity, will not be repeated here.
Those of ordinary skill in the art are it is to be appreciated that with reference to each of the embodiments described herein description
The unit and algorithm steps of example, can be with electronic hardware or the knot of computer software and electronic hardware
Close to realize.These functions are performed with hardware or software mode actually, depending on the spy of technical scheme
Fixed application and design constraint.Professional and technical personnel can use not Tongfang to each specific application
Method realizes described function, but this realization is it is not considered that beyond the scope of this invention.
It is apparent to those skilled in the art that, it is for convenience and simplicity of description, above-mentioned to retouch
The specific work process of system, device and the unit stated, may be referred to the correspondence in preceding method embodiment
Process, will not be repeated here.
In several embodiments provided herein, it should be understood that disclosed system, device and
Method, can be realized by another way.For example, device embodiment described above is only to show
Meaning property, for example, the division of the unit, only a kind of division of logic function can when actually realizing
To there is other dividing mode, such as multiple units or component can combine or be desirably integrated into another
System, or some features can be ignored, or not perform.It is another, it is shown or discussed each other
Coupling or direct-coupling or communication connection can be the INDIRECT COUPLING of device or unit by some interfaces
Or communication connection, can be electrical, machinery or other forms.
The unit illustrated as separating component can be or may not be it is physically separate, make
It can be for the part that unit is shown or may not be physical location, you can with positioned at a place,
Or can also be distributed on multiple NEs.Can select according to the actual needs part therein or
Person's whole units realize the purpose of this embodiment scheme.
In addition, each functional unit in each embodiment of the invention can be integrated in a processing unit
In or unit be individually physically present, can also two or more units be integrated in one
In individual unit.
If the function is realized using in the form of SFU software functional unit and as independent production marketing or made
Used time, it can be stored in a computer read/write memory medium.Understood based on such, the present invention
The part that is substantially contributed in other words to prior art of technical scheme or the technical scheme portion
Dividing can be embodied in the form of software product, and the computer software product is stored in a storage medium
In, including some instructions to cause a computer equipment (can be personal computer, server,
Or the network equipment etc.) perform all or part of step of each embodiment methods described of the invention.And it is preceding
The storage medium stated includes：USB flash disk, mobile hard disk, read-only storage (ROM, Read-Only Memory),
Random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can
With the medium of store program codes.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited to
In this, any one skilled in the art the invention discloses technical scope in, can be easily
Expect change or replacement, should all be included within the scope of the present invention.Therefore, protection of the invention
Scope should be defined by scope of the claims.
Claims (6)
1. the communication means in a kind of network based on Cable Modem Termination System CMTS networkings,
It is characterised in that it includes：
CMTS determines to reach the standard grade again after the cable modem CM being connected with the CMTS is offline；
The CMTS recording with the CM before being reached the standard grade again according to the CM on the CMTS
The customer premises equipment, CPE CPE of connection relevant information, sends for triggering the CPE to the CPE
The message dialled.
2. communication means according to claim 1, it is characterised in that the CMTS is according to institute
The relevant information with the CM CPE being connected recorded before CM reaches the standard grade again on the CMTS is stated,
Sent to the CPE for triggering the message that the CPE is dialled, including：
The CPE's that the CMTS is recorded before being reached the standard grade again according to the CM on the CMTS
Internet protocol address information, dynamic host configuration protocol DHCP server info and gateway information,
The message that DHCP dialing is carried out for triggering the CPE is sent to the CPE.
3. communication means according to claim 2, it is characterised in that the message is DHCP
Internet protocol fourth edition IPv4 forces renewal messages or DHCP Internet protocol sixth versions IPv6 to match somebody with somebody again
Put message.
4. a kind of Cable Modem Termination System CMTS, it is characterised in that including：
Determining module, the offline rear weights of cable modem CM for determining to be connected with the CMTS
Newly reach the standard grade；
Sending module, for being reached the standard grade again according to the CM before record on the CMTS with it is described
The customer premises equipment, CPE CPE of CM connections relevant information, sends described for triggering to the CPE
The message that CPE is dialled.
5. CMTS according to claim 4, it is characterised in that the sending module is specifically used
The CPE recorded before being reached the standard grade again according to the CM on the CMTS Internet protocol IP
Address information, dynamic host configuration protocol DHCP server info and gateway information are sent out to the CPE
Send the message that DHCP dialing is carried out for triggering the CPE.
6. CMTS according to claim 5, it is characterised in that the message is that DHCP is mutual
Networking protocol fourth edition IPv4 forces renewal messages or DHCP Internet protocol sixth versions IPv6 to reconfigure
Message.
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