CN106534601B - A kind of method and device accessing network - Google Patents
A kind of method and device accessing network Download PDFInfo
- Publication number
- CN106534601B CN106534601B CN201611042680.9A CN201611042680A CN106534601B CN 106534601 B CN106534601 B CN 106534601B CN 201611042680 A CN201611042680 A CN 201611042680A CN 106534601 B CN106534601 B CN 106534601B
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- Prior art keywords
- network
- adsl
- currently available
- data link
- access request
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
- H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Telephonic Communication Services (AREA)
Abstract
The invention discloses a kind of method and devices for accessing network, to realize the Redundant backup of data link and the purpose of traffic sharing during accessing network.This method may include: to determine currently available data link when receiving the access request for the access network for carrying out self terminal；Based on the determining currently available data link, transmits the access request and receive the network data that network-side is returned according to the access request.
Description
Technical field
The present invention relates to computer application technology, in particular to a kind of method and device for accessing network.
Background technique
Adsl (asymmetric digital subscriber line, ADSL) is a kind of new
Data transfer mode.It is because uplink and downlink bandwidth is asymmetric, because of referred to herein as asymmetrical digital subscriber loop.It is using frequency
Divide multiplexing technology that common telephone wire is divided into three phone, uplink and downlink relatively independent channels, so as to avoid phase
Interference between mutually.It, will not there is a situation where speed of surfing the Internet and speech qualities to decline even if surfing the Internet when making a phone call.Usually
Adsl can be provided under the speed uplink and highest 24Mbps of highest 3.5Mbps in the case where not influencing normal telephone communication
Scanning frequency degree.
At telco service provider end, need the telephone line that every is opened adsl business being connected to digital subscriber line
On DSL Access Multiplexer.And in user terminal, user needs using an adsl terminal (because of and traditional modem
(modem) similar, so also referred to as " cat ") connect telephone line.Due to adsl use high-frequency signal, so both ends also
Adsl demultiplexer will be used to separate adsl data-signal and ordinary audio telephone signal, avoid making a phone call when
There is noise jamming in time.Common adsl terminal has a telephone line entrance, an Ethernet interface, some terminals are integrated with
Adsl demultiplexer also provides the phone interface of a connection.Certain adsl modems use usb interface and computer
It is connected, needs to install specified software on computers and communicated with adding Microsoft Loopback Adapter.
Summary of the invention
The present invention provides a kind of method and device for accessing network, to realize data link during accessing network
Redundant backup and traffic sharing purpose.
The present invention provides a kind of method for accessing network, comprising:
When receiving the access request for the access network for carrying out self terminal, currently available data link is determined；
Based on the determining currently available data link, transmits the access request and receive network-side according to institute
State the network data of access request return.
In an embodiment of the present invention, the currently available data link includes one or more adsl link.
In an embodiment of the present invention, when the currently available data link includes a plurality of adsl link, in determination
Before currently available data link, the method also includes:
Network interface card is added for the terminal, and configures the adsl including multilink and dials；
Start and configures the corresponding ppp interface of multilink；
Routing table is created for each ppp interface, and injects route table items in the routing table of creation.
In an embodiment of the present invention, the configuration includes that the adsl of multilink dials, comprising:
By the dial-up profile of the multiple ppp of adsl-setup program creation, and save configuration.
In an embodiment of the present invention, it is injected after route table items in the routing table of creation, the method also includes:
Write the script file safeguarded to routing table and flow control policy.
In an embodiment of the present invention, based on the determining currently available data link, the access request is transmitted
And receive the network data that network-side is returned according to the access request, comprising:
The script file is called, chooses number of targets from the currently available data link using the script file
According to link；
The access request, which is transmitted, using the destination data link and receives network-side is returned according to the access request
The network data returned.
The present invention also provides a kind of devices for accessing network, comprising:
Determining module, for determining currently available number when receiving the access request for the access network for carrying out self terminal
According to link；
Processing module, for transmitting the access request and connecing based on the determining currently available data link
Receive the network data that network-side is returned according to the access request.
In an embodiment of the present invention, the currently available data link includes one or more adsl link.
In an embodiment of the present invention, described device further include:
Configuration module, for when the currently available data link includes a plurality of adsl link, in the determining mould
Before block determines currently available data link, network interface card is added for the terminal, and configure the adsl including multilink and dial；
Start and configures the corresponding ppp interface of multilink；Routing table is created for each ppp interface, and in the routing of creation
Route table items are injected in table.
In an embodiment of the present invention, the configuration module is also used to:
By the dial-up profile of the multiple ppp of adsl-setup program creation, and save configuration.
In an embodiment of the present invention, described device further include:
Module is write, for writing the script file safeguarded to routing table and flow control policy.
In an embodiment of the present invention, the processing module is also used to:
The script file is called, chooses number of targets from the currently available data link using the script file
According to link；
The access request, which is transmitted, using the destination data link and receives network-side is returned according to the access request
The network data returned.
In embodiments of the present invention, it when receiving the access request for the access network for carrying out self terminal, determines currently available
Data link；Based on the determining currently available data link, transmits the access request and receive network-side root
The network data returned according to the access request.It can be seen that the embodiment of the present invention can be realized during accessing network
The Redundant backup of data link and the purpose of traffic sharing.
Other features and advantages of the present invention will be illustrated in the following description, also, partly becomes from specification
It obtains it is clear that understand through the implementation of the invention.The objectives and other advantages of the invention can be by written explanation
Specifically noted structure is achieved and obtained in book, claims and attached drawing.
Below by drawings and examples, technical scheme of the present invention will be described in further detail.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with reality of the invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the flow chart that the method for network is accessed in one embodiment of the invention；
Fig. 2 is the flow chart that the method for network is accessed in another embodiment of the present invention；
Fig. 3 is the structural schematic diagram that the device of network is accessed in one embodiment of the invention；
Fig. 4 is the structural schematic diagram that the device of network is accessed in another embodiment of the present invention；And
Fig. 5 is the structural schematic diagram that the device of network is accessed in further embodiment of this invention.
Specific embodiment
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, it should be understood that preferred reality described herein
Apply example only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
It is as shown in Figure 1 the flow chart of the method for access network in one embodiment of the invention, this method may include following
Step S11-S12.
Step S11 determines currently available data-link when receiving the access request for the access network for carrying out self terminal
Road.
In this step, currently available data link may include one or more adsl link.As introduced above
Common telephone wire is divided into three phone, uplink and downlink relatively independent channels using frequency multiplexing technique by adsl, from
And avoid mutual interference.
Step S12 is transmitted access request and is received network-side according to visit based on determining currently available data link
Ask the network data that request returns.
In embodiments of the present invention, it when receiving the access request for the access network for carrying out self terminal, determines currently available
Data link；Based on the determining currently available data link, transmits the access request and receive network-side root
The network data returned according to the access request.It can be seen that the embodiment of the present invention can be realized during accessing network
The Redundant backup of data link and the purpose of traffic sharing.
In above step S11, when terminal needs to access network by adsl, then need to add network interface card to be communicated,
That is, can be configured by following steps A1-A3 in alternative embodiment of the invention.
Step A1 adds network interface card for terminal, and configures the adsl including multilink and dial.
In this step, when adding network interface card for terminal, network interface card can be inserted and start terminal, modification/etc/
Simultaneously alias eth2 driver.o is added in modules.conf.Further, when configuration includes the adsl dialing of multilink,
Can be by the dial-up profile of the multiple ppp of adsl-setup program creation, and save configuration.
For example, can be by the dial-up profile of adsl-setup program creation ppp0 and ppp1, and save configuration.It repairs
Change/etc/sysconfig/network-script/ifcfg-ppp* file, PIDFILE parameter therein be set as:
PIDFILE=/var/run/ppp-adsl*.pid, wherein * corresponds to 0,1 etc..If not modifying this parameter will be unable to starting second
A ppp interface (i.e. ppp1).
Step A2 starts and configures the corresponding ppp interface of multilink.
Because adsl-start order is default can only to start first ppp interface (i.e. ppp0).It is connect so to start two
Mouthful, it is necessary to specified configuration file, as follows:
adsl-start/etc/sysconfig/network-script/ifcfg-ppp0；
adsl-start/etc/sysconfig/network-script/ifcfg-ppp1。
Step A3 creates routing table for each ppp interface, and injects route table items in the routing table of creation.
In this step, under default condition, system only has 3 routing tables, local, main, default, and routing rule is
The datagram of all entrance carrys out decision routing all referring to main, defaul, this can be checked by ip rulels.
In alternative embodiment of the invention, after step A3 injects route table items in the routing table of creation, may be used also
To write the script file safeguarded to routing table and flow control policy.
In alternative embodiment of the invention, in step S12 based on determining currently available data link, transmission access
When the network data that request and reception network-side are returned according to access request, script file can be called, utilizes script text
Part chooses destination data link from currently available data link, so using destination data link transmission access request and
Receive the network data that network-side is returned according to access request.
The realization process of the method for access network of the invention is discussed in detail below by a specific embodiment.Such as Fig. 2
It is shown the flow chart that the method for network is accessed in another embodiment of the present invention, this method may comprise steps of S21-S26.
Step S21 adds network interface card for terminal, and configures the adsl including multilink and dial.
In this step, when adding network interface card for terminal, network interface card can be inserted and start terminal, modification/etc/
Simultaneously alias eth2 driver.o is added in modules.conf.Further, when configuration includes the adsl dialing of multilink,
Can be by the dial-up profile of the multiple ppp of adsl-setup program creation, and save configuration.
For example, can be by the dial-up profile of adsl-setup program creation ppp0 and ppp1, and save configuration.It repairs
Change/etc/sysconfig/network-script/ifcfg-ppp* file, PIDFILE parameter therein be set as:
PIDFILE=/var/run/ppp-adsl*.pid, wherein * corresponds to 0,1 etc..If not modifying this parameter will be unable to starting second
A ppp interface (i.e. ppp1).
Step S22 starts and configures the corresponding ppp interface of multilink.
Because adsl-start order is default can only to start first ppp interface (i.e. ppp0).It is connect so to start two
Mouthful, it is necessary to specified configuration file, as follows:
adsl-start/etc/sysconfig/network-script/ifcfg-ppp0；
adsl-start/etc/sysconfig/network-script/ifcfg-ppp1。
Step S23 creates routing table for each ppp interface.
In this step, under default condition, system only has 3 routing tables, local, main, default, and routing rule is
The datagram of all entrance carrys out decision routing all referring to main, defaul, this can be checked by ip rulels, output
Code is as follows:
[root@linuxrouter root]#ip rule ls
0:from all lookup local
32766:from all lookup main
32767:from all lookup 253
[root@linuxrouter root]#
Want implementation strategy to route, additional routing table can be added, below two order add respectively entitled ppp0 and
The routing table of ppp1:
echo 201 ppp0>>/etc/iproutes/rt_tables
echo 202 ppp1>>/etc/iproutes/rt_tables
Step S24 injects route table items in the routing table of creation.
Two routing tables being created above all are sky tables, need to inject route table items wherein.Following script can be passed through
For injecting route table items, code is as follows:
Route table items in main table are copied in ppp0 and ppp1 respectively, and following order is added to/etc/
In rc.d/rc.local:
cprt main ppp0
cprt main ppp1
At this point, having identical route table items in two routing tables, other than default routing.Default route
Addition will be added by other approach.When ppp is activated, or is gone offline, pppd finger daemon can call/etc/ppp/ catalogue
Under ip-up, ip-down script, these scripts again respectively call ip-up.local, ip-down.local.Utilize this herein
Two scripts safeguard that this script needs manual creation to routing table and flow control policy.
Here is the script in this example :/etc/ppp/ip-up.local, code are as follows:
Here is the script in this example :/etc/ppp/ip-down.local, code are as follows:
Step S25 determines currently available adsl chain when receiving the access request for the access network for carrying out self terminal
Road.
Step S26 calls script file, chooses target adsl from currently available adsl link using the script file
Link, and then the network number returned using target adsl link transmission access request and reception network-side according to access request
According to.
The embodiment of the present invention can realize Redundant backup and the traffic sharing of data link during accessing network
Purpose.
It should be noted that in practical applications, above-mentioned all optional embodiments can be any by the way of combining
Combination, forms alternative embodiment of the invention, this is no longer going to repeat them.
Corresponding to the method for the access network in above-described embodiment, the present invention also provides a kind of devices for accessing network.Such as
Fig. 3 show the structural schematic diagram that the device of network is accessed in one embodiment of the invention, comprising:
Determining module 31, for determining currently available when receiving the access request for the access network for carrying out self terminal
Data link；
Processing module 32, for based on the determining currently available data link, transmit the access request and
Receive the network data that network-side is returned according to the access request.
In an embodiment of the present invention, the currently available data link includes one or more adsl link.
In an embodiment of the present invention, as shown in figure 4, the device that figure 3 above is shown can also include:
Configuration module 41, for when the currently available data link includes a plurality of adsl link, in the determination
Before module 31 determines currently available data link, network interface card is added for the terminal, and configure the adsl including multilink
Dialing；Start and configures the corresponding ppp interface of multilink；Routing table is created for each ppp interface, and in creation
Route table items are injected in routing table.
In an embodiment of the present invention, the configuration module 41 is also used to:
By the dial-up profile of the multiple ppp of adsl-setup program creation, and save configuration.
In an embodiment of the present invention, as shown in figure 5, the device that figure 3 above is shown can also include:
Module 51 is write, for writing the script file safeguarded to routing table and flow control policy.
In an embodiment of the present invention, the processing module 32 is also used to:
The script file is called, chooses number of targets from the currently available data link using the script file
According to link；
The access request, which is transmitted, using the destination data link and receives network-side is returned according to the access request
The network data returned.
The above-mentioned apparatus of the embodiment of the present invention: when receiving the access request for the access network for carrying out self terminal, determination is worked as
Preceding available data link；Based on the determining currently available data link, transmits the access request and receive net
The network data that network end is returned according to the access request.It can be seen that the embodiment of the present invention can be in the process of access network
The purpose of the middle Redundant backup for realizing data link and traffic sharing.
It should be understood by those skilled in the art that, the embodiment of the present invention can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the present invention
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the present invention, which can be used in one or more,
The shape for the computer program product implemented in usable storage medium (including but not limited to magnetic disk storage and optical memory etc.)
Formula.
The present invention be referring to according to the method for the embodiment of the present invention, the process of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (6)
1. a kind of method for accessing network characterized by comprising
When receiving the access request for the access network for carrying out self terminal, currently available data link is determined；
Based on the determining currently available data link, transmits the access request and receive network-side according to the visit
Ask the network data that request returns；
The currently available data link includes one or more adsl link；
When the currently available data link includes a plurality of adsl link, before determining currently available data link,
The method also includes:
Network interface card is added for the terminal, and configures the adsl including multilink and dials；
Start and configures the corresponding ppp interface of multilink；
Routing table is created for each ppp interface, and injects route table items in the routing table of creation.
2. the method according to claim 1, wherein the adsl that the configuration includes multilink dials, comprising:
By the dial-up profile of the multiple ppp of adsl-setup program creation, and save configuration.
3. the method according to claim 1, wherein being injected after route table items in the routing table of creation, institute
State method further include:
Write the script file safeguarded to routing table and flow control policy.
4. according to the method described in claim 3, it is characterized in that, being passed based on the determining currently available data link
The network data that the defeated access request and reception network-side are returned according to the access request, comprising:
The script file is called, chooses target data chain from the currently available data link using the script file
Road；
The access request is transmitted using the destination data link and receives what network-side was returned according to the access request
Network data.
5. a kind of device for accessing network characterized by comprising
Determining module, for determining currently available data-link when receiving the access request for the access network for carrying out self terminal
Road；
Processing module, for transmitting the access request and receiving net based on the determining currently available data link
The network data that network end is returned according to the access request；
The currently available data link includes one or more adsl link；
Configuration module, it is true in the determining module for when the currently available data link includes a plurality of adsl link
Before settled preceding available data link, network interface card is added for the terminal, and configure the adsl including multilink and dial；Starting
And configure the corresponding ppp interface of multilink；Routing table is created for each ppp interface, and in the routing table of creation
Inject route table items.
6. device according to claim 5, which is characterized in that the configuration module is also used to:
By the dial-up profile of the multiple ppp of adsl-setup program creation, and save configuration.
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| CN201611042680.9A CN106534601B (en) | 2016-11-11 | 2016-11-11 | A kind of method and device accessing network |
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| CN201611042680.9A CN106534601B (en) | 2016-11-11 | 2016-11-11 | A kind of method and device accessing network |
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| CN111884936A (en) * | 2020-07-22 | 2020-11-03 | 深信服科技股份有限公司 | Routing method, routing device, electronic equipment and storage medium |
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| CN200966070Y (en) * | 2006-10-19 | 2007-10-24 | 中兴通讯股份有限公司 | A wireless gateway equipment |
| CN102868630A (en) * | 2012-09-07 | 2013-01-09 | 北京邮电大学 | Parallel self-adaption data sending method and device based on multiple IP (Internet Protocol) addresses |
| CN102904911A (en) * | 2011-07-26 | 2013-01-30 | 腾讯科技（深圳）有限公司 | Method and device for accessing network |
| CN103874229A (en) * | 2012-12-12 | 2014-06-18 | 中国移动通信集团山东有限公司 | Data connection establishing method and device |
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2016
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001035585A1 (en) * | 1999-11-12 | 2001-05-17 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and apparatus for selective network access |
| US7079540B1 (en) * | 2002-03-28 | 2006-07-18 | Bellsouth Intellectual Property Corp. | System and method for provisioning virtual circuits in broadband access multiplexing elements |
| CN1879353A (en) * | 2003-12-01 | 2006-12-13 | 艾利森电话股份有限公司 | Traffic control method |
| CN200966070Y (en) * | 2006-10-19 | 2007-10-24 | 中兴通讯股份有限公司 | A wireless gateway equipment |
| CN102904911A (en) * | 2011-07-26 | 2013-01-30 | 腾讯科技（深圳）有限公司 | Method and device for accessing network |
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| CN106534601A (en) | 2017-03-22 |
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