CN102281158A - Line fault processing method and device - Google Patents
Line fault processing method and device Download PDFInfo
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- CN102281158A CN102281158A CN201110243531XA CN201110243531A CN102281158A CN 102281158 A CN102281158 A CN 102281158A CN 201110243531X A CN201110243531X A CN 201110243531XA CN 201110243531 A CN201110243531 A CN 201110243531A CN 102281158 A CN102281158 A CN 102281158A
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- disposable plates
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Abstract
The invention discloses a line fault processing method, which is used for realizing uninterrupted services when the port of a main processing board fails. The method comprises the following steps that: a port line is switched to a standby processing board after the port of the main processing board fails; and the main processing board continuously processes the services, and performs service communication with a network element at the opposite end through the standby processing board. The invention also discloses a device for implementing the method.
Description
Technical field
The present invention relates to the communications field, particularly relate to method and device that line fault is handled.
Background technology
Introducing along with IP RAN, 3G in real time, the delay sensitive service bearer after on the IP network, mobile operator has proposed more and more higher requirement for the reliability of IP network, need be when the interswitch board line fault, with business very fast switch to extension wire, to improve the reliability of equipment.
Mainly contain two kinds of schemes at present, scheme one: referring to shown in Figure 1, active and standby disposable plates configuration is identical, and two active and standby disposable plates are controlled with two-shipper with the enforcement of Updata (Data Update) passage is active and standby.When the master works with disposable plates, do not process on the standby disposable plates.Whether when detecting the physical port fault, it is normal to inquire about standby disposable plates physical port simultaneously, switches as normally then triggering active and standby disposable plates, rebulids link, and the very fast energy of business is recovered.But in handoff procedure, the professional interruption that certain hour can take place, this duration is generally 3s.
Scheme two: referring to shown in Figure 2, between handling veneer and router is connected, increase by two active and standby network element interface plates, two active and standby network element interface plate configuration parameters are identical, during active and standby network element interface plate port failure, trigger active and standby network element interface plate switching.Handle the route that all need be configured to the opposite end network element on veneer and the network element interface plate.This scheme needs two network element interface plates, has increased complexity to networking, and has improved equipment cost.
To sum up, scheme one port failure can cause the switching of disposable plates in the prior art, and can't guarantee professional continuity when port failure, and the networking complexity of scheme two is higher, and if handle single board default and can't solve.
Summary of the invention
Method and device that the embodiment of the invention provides a kind of line fault to handle, professional uninterrupted when being used to realize the Main Processing Unit port failure.
The method that a kind of line fault is handled may further comprise the steps:
Main with behind the disposable plates port failure port line being switched to standby disposable plates;
The master continues to manage business with disposable plates, and carries out service communication by standby disposable plates and opposite end network element.
A kind of disposable plates comprises: port module and control module;
Control module is used for behind the port failure of port module and router port line being switched to standby disposable plates, and continues to manage business;
Port module is used for carrying out service communication by standby disposable plates and opposite end network element.
Active and standbyly in the embodiment of the invention connect with the opposite end network element respectively, manage business on the active link, do not handle on the reserve link, only send the link keep-alive message with the different interface IP of veneer configuration.When the master uses the port failure of disposable plates, trigger the veneer circuit and switch, at this moment reserve link is upgraded to active link, provides service to upper-layer service.Do not switch owing to do not carry out business, therefore can guarantee professional continuity.When the method solved the Main Processing Unit fault simultaneously, business can be switched to standby disposable plates fast.
Description of drawings
Fig. 1 is the system construction drawing of scheme one in the prior art;
Fig. 2 is the system construction drawing of scheme two in the prior art;
Fig. 3 is the main method flow chart of circuit troubleshooting in the embodiment of the invention;
Fig. 4 is the structure chart of system in the embodiment of the invention;
Fig. 5 is the detailed method flow chart of circuit troubleshooting in the embodiment of the invention;
Fig. 6 is the structure chart of disposable plates in the embodiment of the invention.
Embodiment
The master does not switch to business standby disposable plates, but port line is switched to standby disposable plates with behind the port failure of disposable plates in the embodiment of the invention, is still continued to manage business with disposable plates by main.Do not switch owing to do not carry out business, therefore can guarantee professional continuity.
Referring to Fig. 3, the main method flow process of circuit troubleshooting in the present embodiment is as follows:
Step 301: main with behind the disposable plates port failure port line being switched to standby disposable plates.
Step 302: the master continues to manage business with disposable plates, and carries out service communication by standby disposable plates and opposite end network element.
The equipment that relates in the present embodiment comprises main with disposable plates, standby disposable plates and opposite end network element, can also between opposite end network element and disposable plates router be set, referring to shown in Figure 4.Present embodiment has increased main with the passage between disposable plates and the standby disposable plates with respect to communication system shown in Figure 1.
Need on active and standby disposable plates, respectively dispose 32 host address IP1-1, IP1-2.And respectively dispose a static routing, ginseng is shown in Table 1:
Table 1
| Clauses and subclauses 1 | The opposite end network element | Router | IP1-1 | Static routing |
| Clauses and subclauses 2 | The opposite end network element | Router | IP1-2 | Static routing |
Wherein, clauses and subclauses 1 are main with the static routing in the disposable plates, and clauses and subclauses 2 are the static routing in the standby disposable plates.
Active and standby with handling buttress according to configuration data and residing position itself, by inner routing algorithm, generate this plate circuit by.Specific algorithm is as follows:
Main port with disposable plates just often, it can generate this plate circuit according to interface IP, Floating IP address and static routing and is shown in Table 2 by ginseng:
Table 2
| Clauses and subclauses | Purpose | Next jumping | Interface IP | Type |
| 1 | IP1-1 | IP3-1 | IP1-1 | Direct-connected route |
| 2 | IP1-2 | IP3-2 | IP1-2 | Direct-connected route |
| 3 | IP2 | IP3-1 | IP2 | Direct-connected route |
| 4 | The opposite end network element | Router | IP2 | Static routing |
Wherein, first three bar is according to the direct-connected route of interface IP and Floating IP address generation, all can generate on the main and standby boards, and purpose is in order to reflect that network element internal connects the foundation of topology information and static routing replacement.IP1-1 and IP1-2 represent main with the host ip of disposable plates and the host ip of standby board respectively, are used for the active and standby disposable plates of using of opposite end network element identification, and IP1 is 32 bit address in the present embodiment.IP3-1 and IP3-2 represent main inside IP with disposable plates and standby disposable plates, are used for intercommunication and use, and IP3 is 32 bit address in the present embodiment.IP2 represents Floating IP address, main port with disposable plates just often be configured in main with disposable plates on, be used for that router identification is main uses disposable plates, IP2 is 24 bit address in the present embodiment.Direct-connected route is meant that network element is according to configuration interface IP of institute and mask, automatically generate purpose to main frame or subnet, next is jumped and is inner route, interface is the route of this ip, wherein purpose is called the direct-connected route of main frame to the route of main frame, purpose is called the direct-connected route of subnet to the route of subnet, and the main frame route does not change with Interface status, and the subnet route is along with whether Interface status normally changes.
The master replaces with static routing meeting on the disposable plates, algorithm is as follows: be purpose with next jumping at first, in the direct-connected route of this plate, search the route of coupling, at this moment can find route entry 3, simultaneously because Floating IP address is configured in this veneer, so the interface IP of this static routing replaces with IP2 by IP1-1 in the data.
Main need when the opposite end network element sends business information, by searching routing table (as table 2), business information is sent to the router of next jumping, business information is transmitted to the opposite end network element by router by route entry 4 with disposable plates.The main disposable plates of using is when receiving the business information of opposite end network element transmission, determine that destination address IP1-1 is local host ip, then the business information of receiving is dealt into next-hop IP 3-1, IP3-1 is main inside IP with disposable plates, that is to say that next is jumped still is the main disposable plates of using, and then handles this business information by main with disposable plates.
Main port with disposable plates just often, its inside of standby disposable plates also the means of livelihood by, ginseng is shown in Table 3:
Table 3
| Clauses and subclauses | Purpose | Next jumping | Interface IP | Type |
| 1 | IP1-1 | IP3-1 | IP1-1 | Direct-connected route |
| 2 | IP1-2 | IP3-2 | IP1-2 | Direct-connected route |
| 3 | IP2 | IP3-1 | IP2 | Direct-connected route |
| 4 | The opposite end network element | IP3-1 | IP1-2 | Static routing |
Wherein, route entry 1-3 configuration is with the main disposable plates of using.The static routing meeting is replaced on the standby disposable plates, algorithm is as follows: be purpose with next jumping at first, in the direct-connected route of this plate, search the route of coupling, at this moment can find route entry 3, simultaneously owing to Floating IP address disposes not at this veneer, so next jumping of this static routing replaces with the promptly main inside IP with disposable plates of IP3-1.
Main port with disposable plates just often, standby disposable plates does not need to manage business, and does not need and opposite end network element interactive service information yet.But, standby disposable plates need with the mutual heartbeat message of opposite end network element, the opposite end network element is known have reserve link to exist, use the disposable plates fault when main, when active link is unavailable, switch to reserve link.
When standby disposable plates sends heartbeat message to the opposite end network element,, heartbeat message is sent to the main disposable plates of using according to the destination address and the next-hop IP 3-1 of opposite end network element.
Main receive the heartbeat message that standby disposable plates is transmitted,, heartbeat message is transmitted to router, send to the opposite end network element by router according to the route querying of this plate destination address and next hop router to the opposite end network element with disposable plates.
When the master sends to the heartbeat message of standby disposable plates with disposable plates receipts opposite end network element, determine the destination address IP1-2 of this heartbeat message, then the heartbeat message of receiving is dealt into next-hop IP 3-2, IP3-2 is the inside IP of standby disposable plates.
When standby disposable plates is led the heartbeat message of transmitting with veneer in receipts, determine that destination address IP1-2 is local host ip, then the business information of receiving is dealt into next-hop IP 3-2, IP3-2 is the inside IP of standby disposable plates, that is to say that next is jumped is standby disposable plates still, then handles this heartbeat message by standby disposable plates.
Behind the main port failure, Floating IP address is configured to standby disposable plates with disposable plates and router.The routing table of leading with disposable plates and standby disposable plates also needs to change, so that lead with disposable plates by standby disposable plates and opposite end net element communication.The main ginseng with the routing table after the disposable plates renewal is shown in Table 4, and the routing table ginseng after standby disposable plates is upgraded is shown in Table 5.
Table 4
| Clauses and subclauses | Purpose | Next jumping | Interface IP | Type |
| 1 | IP1-1 | IP3-1 | IP1-1 | Direct-connected route |
| 2 | IP1-2 | IP3-2 | IP1-2 | Direct-connected route |
| 3 | IP2 | IP3-2 | IP2 | Direct-connected route |
| 4 | The opposite end network element | IP3-2 | IP1-1 | Static routing |
Table 5
| Clauses and subclauses | Purpose | Next jumping | Interface IP | Type |
| 1 | IP1-1 | IP3-1 | IP1-1 | Direct-connected route |
| 2 | IP1-2 | IP3-2 | IP1-2 | Direct-connected route |
| 3 | IP2 | IP3-2 | IP2 | Direct-connected route |
| 4 | The opposite end network element | Router | IP2 | Static routing |
When the master need send business information with disposable plates, destination address and next-hop IP 3-2 according to the opposite end network element sent to standby disposable plates with business information.
When standby disposable plates is received business information,, business information is sent to the main disposable plates of using, handle with disposable plates by main according to the destination address IP1-1 and the next-hop IP 3-1 of business information.When standby disposable plates sent business information, according to the destination address of opposite end network element and the router address of next jumping, IP2 sent to router with business information by interface, by router business information is transmitted to the opposite end network element.
Main with behind the disposable plates port failure Floating IP address of this locality being configured to standby disposable plates, and port recover normal after, Floating IP address is configured to lead uses disposable plates.Main the process that the Floating IP address of this locality is configured to standby disposable plates is comprised with disposable plates: main with the local Floating IP address of disposable plates deletion, and send the increase order that increases Floating IP address to standby disposable plates.Floating IP address is configured to main process with disposable plates to be comprised: main with the delete command of disposable plates to standby disposable plates transmission deletion Floating IP address, and the local Floating IP address that increases.Below Floating IP address layoutprocedure is in all cases described in detail.
Main all normal with disposable plates and standby disposable plates, then the master increases Floating IP address with disposable plates.The main disposable plates of using is hindered by normal accident, and then the master deletes Floating IP address with disposable plates, and standby disposable plates increases Floating IP address.The master uses the disposable plates fault, and standby disposable plates is hindered by normal accident, then standby disposable plates deletion Floating IP address.Standby disposable plates fault, main normal by the fault change with disposable plates, then the master increases Floating IP address with disposable plates.Standby disposable plates is normal, and main normal by the fault change with disposable plates, then the master increases Floating IP address with disposable plates, standby disposable plates deletion Floating IP address.The main disposable plates fault of using, standby disposable plates becomes normal by fault, and then standby disposable plates increases Floating IP address.That is, Floating IP address is used for mark port normal handling plate, if main all normal with disposable plates and standby disposable plates, then Floating IP address is used for the mark master and uses disposable plates.
Introduce the implementation procedure that line fault is handled in detail below by an embodiment.
Referring to Fig. 5, the detailed method flow process of circuit troubleshooting in the present embodiment is as follows:
Step 501: the master carries out service communication with the disposable plates port is just often main with disposable plates and opposite end network element.
Step 502: the main disposable plates port failure of using.
Step 503: main the Floating IP address of this locality is configured to standby disposable plates with disposable plates.
Step 504: main business information is sent to standby disposable plates with the inside IP of disposable plates by standby disposable plates.
Step 505: standby disposable plates is transmitted to the opposite end network element by the Floating IP address interface with the business information of receiving.
Step 506: standby disposable plates receives the business information that the opposite end network element sends by the Floating IP address interface.
Step 507: standby disposable plates sends to the main disposable plates of using by main inside IP with disposable plates with the business information of receiving.
Step 508: main normal with the recovery of disposable plates port.
Step 509: the master is configured to this locality with disposable plates with Floating IP address.
More than introduced the information process that active and standby disposable plates circuit switches front and back, this process is mainly realized with disposable plates and standby disposable plates by main.Main in the present embodiment is identical disposable plates with disposable plates and standby disposable plates, is just bringing into play different effects.Internal structure and function at this disposable plates is introduced below.
Referring to Fig. 6, disposable plates comprises in the present embodiment: port module 601 and control module 602.
As main when use disposable plates, control module 602 also is used for after the port of port module 601 and router recovers normally Floating IP address being configured to this locality.
The master does not switch to business standby disposable plates, but port line is switched to standby disposable plates with behind the port failure of disposable plates in the embodiment of the invention, is still continued to manage business with disposable plates by main.Do not switch owing to do not carry out business, therefore can guarantee professional continuity.The embodiment of the invention has just realized the circuit switching by Floating IP address and inner IP, and this scheme is simple.
Those skilled in the art should understand that embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt complete hardware embodiment, complete software implementation example or in conjunction with the form of the embodiment of software and hardware aspect.And the present invention can adopt the form that goes up the computer program of implementing in one or more computer-usable storage medium (including but not limited to magnetic disc store and optical memory etc.) that wherein include computer usable program code.
The present invention is that reference is described according to the flow chart and/or the block diagram of method, equipment (system) and the computer program of the embodiment of the invention.Should understand can be by the flow process in each flow process in computer program instructions realization flow figure and/or the block diagram and/or square frame and flow chart and/or the block diagram and/or the combination of square frame.Can provide these computer program instructions to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device to produce a machine, make the instruction of carrying out by the processor of computer or other programmable data processing device produce to be used for the device of the function that is implemented in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame appointments.
These computer program instructions also can be stored in energy vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work, make the instruction that is stored in this computer-readable memory produce the manufacture that comprises command device, this command device is implemented in the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
These computer program instructions also can be loaded on computer or other programmable data processing device, make on computer or other programmable devices and to carry out the sequence of operations step producing computer implemented processing, thereby the instruction of carrying out on computer or other programmable devices is provided for being implemented in the step of the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (12)
1. the method that line fault is handled is characterized in that, may further comprise the steps:
Main with behind the disposable plates port failure port line being switched to standby disposable plates;
The master continues to manage business with disposable plates, and carries out service communication by standby disposable plates and opposite end network element.
2. the method for claim 1 is characterized in that, main comprises with the step that behind the disposable plates port failure port line is switched to standby disposable plates: lead with behind the disposable plates port failure the unsteady Internet Protocol IP of this locality being configured to standby disposable plates.
3. method as claimed in claim 2, it is characterized in that, main comprise with the step that behind the disposable plates port failure the unsteady Internet Protocol IP of this locality is configured to standby disposable plates: main with the local Floating IP address of disposable plates deletion, and the increase order that sends the increase Floating IP address to standby disposable plates.
4. method as claimed in claim 2, it is characterized in that, the master comprises by the step that standby disposable plates and opposite end network element carry out service communication with disposable plates: the master needs when the opposite end network element sends business information with disposable plates, inside IP by standby disposable plates sends to standby disposable plates with business information, and standby disposable plates is transmitted to the opposite end network element by the Floating IP address interface with the business information of receiving.
5. method as claimed in claim 2, it is characterized in that, the master comprises by the step that standby disposable plates and opposite end network element carry out service communication with disposable plates: when the master need receive the business information of opposite end network element transmission with disposable plates, standby disposable plates receives the business information that the opposite end network element sends by the Floating IP address interface, and by main inside IP with disposable plates the business information of receiving is sent to the main disposable plates of using.
6. the method for claim 1 is characterized in that, also comprises step: main with after the recovery normally of disposable plates port, Floating IP address is configured to the main disposable plates of using.
7. a disposable plates is characterized in that, comprising: port module and control module;
Control module is used for behind the port failure of port module and router port line being switched to standby disposable plates, and continues to manage business;
Port module is used for carrying out service communication by standby disposable plates and opposite end network element.
8. disposable plates as claimed in claim 7 is characterized in that, control module is configured to standby disposable plates with the unsteady Internet Protocol IP of this locality in port module with behind the port failure of router.
9. disposable plates as claimed in claim 8 is characterized in that, the local Floating IP address of control module deletion, and the increase order that sends the increase Floating IP address by port module to standby disposable plates.
10. disposable plates as claimed in claim 8, it is characterized in that, port module needs when the opposite end network element sends business information, and the inside IP by standby disposable plates sends to standby disposable plates with business information, by route lines the business information of receiving is transmitted to the opposite end network element by standby disposable plates.
11. disposable plates as claimed in claim 8 is characterized in that, port module also is used for the business information from the opposite end network element by the forwarding of Floating IP address receiving router, and by main inside IP with disposable plates the business information of receiving is sent to the main disposable plates of using.
12. disposable plates as claimed in claim 7 is characterized in that, control module also be used for port at port module and router recover normal after, Floating IP address is configured to the main disposable plates of using.
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| CN201110243531XA CN102281158A (en) | 2011-08-23 | 2011-08-23 | Line fault processing method and device |
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| CN201110243531XA CN102281158A (en) | 2011-08-23 | 2011-08-23 | Line fault processing method and device |
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Application publication date: 20111214 |