CN102413047A - Route publishing method of three-layer network equipment and three-layer network equipment - Google Patents
Route publishing method of three-layer network equipment and three-layer network equipment Download PDFInfo
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- CN102413047A CN102413047A CN2011103781235A CN201110378123A CN102413047A CN 102413047 A CN102413047 A CN 102413047A CN 2011103781235 A CN2011103781235 A CN 2011103781235A CN 201110378123 A CN201110378123 A CN 201110378123A CN 102413047 A CN102413047 A CN 102413047A
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
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Abstract
The invention provides a route publishing method of three-layer network equipment and the three-layer network equipment. When a VRRP backup group on a three-layer network device needs to issue a route outwards, if any one of the states of the three-layer network device in the VRRP backup group is a main state, the three-layer network device can issue a network segment route of an interface where the three-layer network device is located, if the states of the three-layer network device in the VRRP backup group are both standby states, the three-layer network device does not issue the network segment route of the interface where the three-layer network device is located, and because the standby three-layer network device does not issue the route outwards, downlink data does not exist on the standby three-layer network device, and only the main three-layer network device forwards or processes the downlink data, so that the forwarding or processing of the uplink data and the downlink data is asymmetric.
Description
Technical field
The present invention relates to route technology, relate in particular to a kind of route issuing method and three-layer network appliance of three-layer network appliance.
Background technology
Virtual Router Redundacy Protocol (Virtual Router Redundancy Protocol; Be called for short VRRP) through (for example: router) constitute jointly a virtual three-layer network appliance several three-layer network appliances; Use certain mechanism to guarantee when leading with (Master) when three-layer network appliance breaks down; In time business is switched to subsequent use (Backup) three-layer network appliance, thereby keep communication continuity and reliability.In the network architecture,, with three-layer network appliance upstream data is transmitted or handled by main for upstream data based on VRRP.
Yet; For downlink data; Because the master can be to the three-layer network appliance issue routing iinformation of network side with three-layer network appliance and subsequent use three-layer network appliance; So the route that can make the three-layer network appliance of network side learn possibly pointed to and mainly use three-layer network appliance, perhaps also possibly point to subsequent use three-layer network appliance, has caused and possibly transmit or handle downlink data with three-layer network appliance by leading; Perhaps also possibly take place, thereby caused the forwarding of upstream data and downlink data or handled asymmetric by the phenomenon that subsequent use three-layer network appliance is transmitted or handled downlink data.
Summary of the invention
The present invention provides a kind of route issuing method and three-layer network appliance of three-layer network appliance, in order to the forwarding that realizes upstream data and downlink data or handle asymmetric.
A kind of route issuing method of three-layer network appliance is provided on the one hand, has moved VRRP on the said three-layer network appliance, said method comprises:
If any one is arranged in the state of said three-layer network appliance in the VRRP backup group is to lead when using state; Said three-layer network appliance is issued the network segment route of said three-layer network appliance place interface, so that said three-layer network appliance is transmitted or handled downlink data;
When if the state of said three-layer network appliance in the VRRP backup group is stand-by state, said three-layer network appliance is not issued the network segment route of said three-layer network appliance place interface.
A kind of three-layer network appliance is provided on the other hand, has moved VRRP on the said three-layer network appliance, said equipment comprises:
First processing unit; Being used for if said three-layer network appliance has any one in the state of VRRP backup group is to lead when using state; Issue the network segment route of said three-layer network appliance place interface, so that said three-layer network appliance is transmitted or handled downlink data;
Second processing unit is used for if said three-layer network appliance when the state of VRRP backup group is stand-by state, is not issued the network segment route of said three-layer network appliance place interface.
Can know by technique scheme; When the VRRP backup group on the three-layer network appliance needs outwards to issue route; If any one is arranged in the state of above-mentioned three-layer network appliance in the VRRP backup group is to lead when using state; Above-mentioned three-layer network appliance then can be issued the network segment route of above-mentioned three-layer network appliance place interface, and when being stand-by state as if the state of above-mentioned three-layer network appliance in the VRRP backup group, above-mentioned three-layer network appliance is not then issued the network segment route of above-mentioned three-layer network appliance place interface; Because subsequent use three-layer network appliance can outwards not issued route; So then do not have downlink data on the subsequent use three-layer network appliance, have only and main downlink data transmitted or handled with three-layer network appliance, thereby make upstream data and downlink data forwarding or handle asymmetric.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do one to the accompanying drawing of required use in embodiment or the description of the Prior Art below introduces simply; Obviously, the accompanying drawing in describing below is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the network architecture sketch map of VRRP;
The schematic flow sheet of the route issuing method of the three-layer network appliance that Fig. 2 provides for one embodiment of the invention;
The structural representation of the three-layer network appliance that Fig. 3 provides for another embodiment of the present invention;
The structural representation of the three-layer network appliance that Fig. 4 provides for another embodiment of the present invention.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention clearer; To combine the accompanying drawing in the embodiment of the invention below; Technical scheme in the embodiment of the invention is carried out clear, intactly description; Obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
Fig. 1 is the network architecture sketch map of VRRP; As shown in Figure 1; Main is a virtual three-layer network appliance with three-layer network appliance and subsequent use three-layer network appliance composition VRRP backup group, and wherein, the master uses the IP address of three-layer network appliance to be 10.0.0.2; The IP address of subsequent use three-layer network appliance is 10.0.0.3, and the virtual ip address of virtual three-layer network appliance is 10.0.0.1.Terminal equipment is linked into virtual three-layer network appliance through two-layer network device, and then is connected to other three-layer network appliances of network side.
The schematic flow sheet of the route issuing method of the three-layer network appliance that Fig. 2 provides for one embodiment of the invention moves VRRP on the above-mentioned three-layer network appliance.As shown in Figure 2, the route issuing method of the three-layer network appliance of present embodiment can comprise:
201, be to lead when using state if any one is arranged in the state of three-layer network appliance in the VRRP backup group; Above-mentioned three-layer network appliance is issued the network segment route of above-mentioned three-layer network appliance place interface, so that above-mentioned three-layer network appliance is transmitted or handled downlink data;
Wherein, the state of the VRRP backup group on the above-mentioned three-layer network appliance can comprise main with state and stand-by state.
Alternatively, three-layer network appliance can send routing protocol packet, comprises the network segment route of above-mentioned three-layer network appliance place interface in the above-mentioned routing protocol packet.Wherein, above-mentioned protocol massages can be any routing protocol packet, for example: Interior Gateway Protocol (Interior Gateway Protocol is called for short IGP), Border Gateway Protocol (Border Gateway Protocol is called for short BGP) or static routing etc.
For example: referring to the network architecture of VRRP shown in Figure 1, the master can send routing protocol packet with three-layer network appliance, comprises main network segment route 10.0.0.0 with three-layer network appliance place interface in this routing protocol packet.
When 202, being stand-by state as if the state of three-layer network appliance in the VRRP backup group, above-mentioned three-layer network appliance is not issued the network segment route of above-mentioned three-layer network appliance place interface.
State in the VRRP backup group changes if said three-layer network appliance detects three-layer network appliance; For example: active and standby switching takes place with three-layer network appliance and subsequent use three-layer network appliance in the master; Then can trigger three-layer network appliance automatically and carry out 201 and 202; Thereby when making the winner with three-layer network appliance and subsequent use three-layer network appliance active and standby switching take place, the master that downlink data can in time switch to after switching uses three-layer network appliance.
Further, before 201 and 202, present embodiment can further include the step into above-mentioned interface configuration VRRP backup group.For example: will lead with three-layer network appliance and subsequent use three-layer network appliance and be configured to one or several VRRP backup group, in each VRRP backup group, can be to a virtual ip address should be arranged.
In the present embodiment; When the VRRP backup group on the three-layer network appliance needs outwards to issue route; If any one is arranged in the state of above-mentioned three-layer network appliance in the VRRP backup group is to lead when using state; Above-mentioned three-layer network appliance then can be issued the network segment route of above-mentioned three-layer network appliance place interface, and when being stand-by state as if the state of above-mentioned three-layer network appliance in the VRRP backup group, above-mentioned three-layer network appliance is not then issued the network segment route of above-mentioned three-layer network appliance place interface; Because subsequent use three-layer network appliance can outwards not issued route; So then do not have downlink data on the subsequent use three-layer network appliance, have only and main downlink data transmitted or handled with three-layer network appliance, thereby make upstream data and downlink data forwarding or handle asymmetric.Because the master bears forwarding of data with three-layer network appliance, makes data forwarding paths controlled, and clear, be convenient to the professional deployment such as (Quality of Service are called for short QoS) of monitoring and service quality.
Need to prove: for aforesaid method embodiment; For simple description; So it all is expressed as a series of combination of actions, but those skilled in the art should know that the present invention does not receive the restriction of described sequence of movement; Because according to the present invention, some step can adopt other orders or carry out simultaneously.
The structural representation of the three-layer network appliance that Fig. 3 provides for another embodiment of the present invention wherein, moves VRRP on the above-mentioned three-layer network appliance.As shown in Figure 3, the three-layer network appliance of present embodiment can comprise first processing unit 31 and second processing unit 32.Wherein, First processing unit 31 is used for if said three-layer network appliance has any one in the state of VRRP backup group is to lead when using state; Issue the network segment route of said three-layer network appliance place interface, so that said three-layer network appliance is transmitted or handled downlink data; Second processing unit 32 is used for if said three-layer network appliance when the state of VRRP backup group is stand-by state, is not issued the network segment route of said three-layer network appliance place interface.
Wherein, the state of VRRP backup group can comprise main with state and stand-by state.
The function of three-layer network appliance can be realized by the three-layer network appliance that present embodiment provides among the embodiment of above-mentioned Fig. 1 correspondence.
Alternatively, first processing unit 31 in the present embodiment can send routing protocol packet, comprises the network segment route of said three-layer network appliance place interface in the said routing protocol packet.Wherein, above-mentioned protocol massages can be any routing protocol packet, for example: IGP, BGP or static routing etc.
Alternatively; As shown in Figure 4, the three-layer network appliance of present embodiment can further include detecting unit 41, is used for the state of above-mentioned interface at the VRRP backup group detected; When detecting the state of above-mentioned interface in the VRRP backup group and change; Trigger first processing unit 31 or second processing unit 32, thereby when making the winner with three-layer network appliance and subsequent use three-layer network appliance active and standby switchings take place, downlink data can switch in time and switch master afterwards and use three-layer network appliance.
In the present embodiment; When the VRRP backup group on the three-layer network appliance needs outwards to issue route; If any one is arranged in the state of above-mentioned three-layer network appliance in the VRRP backup group is to lead when using state; First processing unit then can be issued the network segment route of above-mentioned three-layer network appliance place interface, and when being stand-by state as if the state of above-mentioned three-layer network appliance in the VRRP backup group, second processing unit is not then issued the network segment route of above-mentioned three-layer network appliance place interface; Because subsequent use three-layer network appliance can outwards not issued route; So then do not have downlink data on the subsequent use three-layer network appliance, have only and main downlink data transmitted or handled with three-layer network appliance, thereby make upstream data and downlink data forwarding or handle asymmetric.
The those skilled in the art can be well understood to, for the convenience described with succinct, the system of foregoing description, the concrete course of work of device and unit can repeat no more at this with reference to the corresponding process among the preceding method embodiment.
In several embodiment that the application provided, should be understood that, the system that is disclosed, apparatus and method can realize through other mode.For example, device embodiment described above only is schematically, for example; The division of said unit; Only be that a kind of logic function is divided, during actual the realization other dividing mode can be arranged, for example a plurality of unit or assembly can combine or can be integrated into another system; Or some characteristics can ignore, or do not carry out.Another point, the coupling each other that shows or discuss or directly coupling or communication to connect can be through some interfaces, the INDIRECT COUPLING of device or unit or communication connect, and can be electrically, machinery or other form.
Said unit as separating component explanation can or can not be physically to separate also, and the parts that show as the unit can be or can not be physical locations also, promptly can be positioned at a place, perhaps also can be distributed on a plurality of NEs.Can realize the purpose of present embodiment scheme according to the needs selection some or all of unit wherein of reality.
In addition, each functional unit in each embodiment of the present invention can be integrated in the processing unit, also can be that the independent physics in each unit exists, and also can be integrated in the unit two or more unit.Above-mentioned integrated unit both can adopt the form of hardware to realize, the form that also can adopt hardware to add SFU software functional unit realizes.
The above-mentioned integrated unit of realizing with the form of SFU software functional unit can be stored in the computer read/write memory medium.Above-mentioned SFU software functional unit is stored in the storage medium, comprise some instructions with so that computer equipment (can be personal computer, server, the perhaps network equipment etc.) carry out the part steps of the said method of each embodiment of the present invention.And aforesaid storage medium comprises: USB flash disk, portable hard drive, read-only memory (Read-Only Memory; Abbreviation ROM), various media that can be program code stored such as random access memory (Random Access Memory is called for short RAM), magnetic disc or CD.
What should explain at last is: above embodiment is only in order to explaining technical scheme of the present invention, but not to its restriction; Although with reference to previous embodiment the present invention has been carried out detailed explanation, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these are revised or replacement, do not make the spirit and the scope of the essence disengaging various embodiments of the present invention technical scheme of relevant art scheme.
Claims (7)
1. the route issuing method of a three-layer network appliance moves Virtual Router Redundacy Protocol VRRP on the said three-layer network appliance, it is characterized in that said method comprises:
If any one is arranged in the state of said three-layer network appliance in the VRRP backup group is to lead when using state; Said three-layer network appliance is issued the network segment route of said three-layer network appliance place interface, so that said three-layer network appliance is transmitted or handled downlink data;
When if the state of said three-layer network appliance in the VRRP backup group is stand-by state, said three-layer network appliance is not issued the network segment route of said three-layer network appliance place interface.
2. method according to claim 1 is characterized in that, said three-layer network appliance is issued the network segment route of said three-layer network appliance place interface, comprising:
Said three-layer network appliance sends routing protocol packet, comprises the network segment route of said three-layer network appliance place interface in the said routing protocol packet.
3. method according to claim 1 and 2 is characterized in that, also comprises before the said method:
Said three-layer network appliance detects the state of said three-layer network appliance in the VRRP backup group and changes.
4. according to the described method of the arbitrary claim of claim 1～3, it is characterized in that, also comprise before the said method:
Be said interface configuration VRRP backup group.
5. a three-layer network appliance moves Virtual Router Redundacy Protocol VRRP on the said three-layer network appliance, it is characterized in that said equipment comprises:
First processing unit; Being used for if said three-layer network appliance has any one in the state of VRRP backup group is to lead when using state; Issue the network segment route of said three-layer network appliance place interface, so that said three-layer network appliance is transmitted or handled downlink data;
Second processing unit is used for if said three-layer network appliance when the state of VRRP backup group is stand-by state, is not issued the network segment route of said three-layer network appliance place interface.
6. three-layer network appliance according to claim 5 is characterized in that, said first processing unit specifically is used for
Send routing protocol packet, comprise the network segment route of said three-layer network appliance place interface in the said routing protocol packet.
7. according to claim 5 or 6 described three-layer network appliances; It is characterized in that; Said three-layer network appliance also comprises detecting unit; Be used for the state of said interface at the VRRP backup group detected, when detecting the state of said interface in the VRRP backup group and change, trigger said first processing unit or said second processing unit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011103781235A CN102413047A (en) | 2011-11-24 | 2011-11-24 | Route publishing method of three-layer network equipment and three-layer network equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011103781235A CN102413047A (en) | 2011-11-24 | 2011-11-24 | Route publishing method of three-layer network equipment and three-layer network equipment |
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| CN102413047A true CN102413047A (en) | 2012-04-11 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102868606A (en) * | 2012-09-27 | 2013-01-09 | 华为技术有限公司 | Method, master router and system for sending VRRP (virtual router redundancy protocol) heartbeat messages |
| CN108430039A (en) * | 2017-01-20 | 2018-08-21 | 迈普通信技术股份有限公司 | A kind of multicast optimization method, multicast equipment and system |
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| US20070081535A1 (en) * | 2005-10-08 | 2007-04-12 | Huawei Technologies Co., Ltd. | Method and system for implementing virtual router redundacy protocol on a resilient packet ring |
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Application publication date: 20120411 |