CN103944776A - Self-loop link aggregation method and device - Google Patents
Self-loop link aggregation method and device Download PDFInfo
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- CN103944776A CN103944776A CN201410116420.6A CN201410116420A CN103944776A CN 103944776 A CN103944776 A CN 103944776A CN 201410116420 A CN201410116420 A CN 201410116420A CN 103944776 A CN103944776 A CN 103944776A
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Abstract
The embodiment of the invention provides a processing method of self-loop link aggregation. The method includes the steps that two aggregation sets are preset in equipment, and a dynamic aggregation set is formed through both-side consultation according to the aggregation set numbers of a home terminal and an opposite terminal. When the state of any selected port in the dynamic aggregation set is the down state, the opposite terminal port of the port in the dynamic aggregation set is immediately set to be in the Down state.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of method and apparatus from central link polymerization.
Background technology
In a lot of application, traffic statistics, flow identification or traffic monitoring are very important business.Refer to Fig. 1, shown in Fig. 1 in ring environment, client is incorporated into the flow of the Port1 of equipment, Port3 and Port5 outgoing direction respectively independently in server, server by the application software of loading in advance, flow is added up, is identified and the work such as monitoring after, then by server, flow is drawn respectively in Port2, the Port4 and Port6 of the equipment of getting back to.
This scene requires the flow of outgoing direction to accomplish dynamic load sharing, simultaneously at link failure, make flow can be rapidly from the link switching of inefficacy normal link.For example, if Port2 place link occurs fault causes between Port1 and Port2 flow obstructed, the flow on Port1 should be switched on Port3 or Port5 at once so.
In the prior art, by the static polymerization of port and with DLDP(device link detection protocol, equipment connection detection protocol) mode that technology combines, realize load balancing.In this scheme, Port1, Port3 and Port5 form a static polymerization group, and Port2, Port4 and Port6 form another static polymerization group.On Port1 and Port2, enable respectively DLDP, and when DLDP detects one way link, automatic close port.Same method is also applied in Port3 and Port4, and on Port5 and Port6.Under such configuration, static polymerization can be shared in proof load, and DLDP can guarantee the detection of link failure and the timely switching of flow.Yet this scheme needs static polymerization and DLDP to be used in conjunction with, configuration relative complex; And due to DLDP technology self, from fault, occur needing time of several seconds to flow switch.
Summary of the invention
The present invention proposes a kind of processing method from central link polymerization, and described method comprises:
This equipment is preset two aggregation group, according to the aggregation group numbering both sides of local terminal and opposite end, consults to form dynamic aggregation group;
In described dynamic aggregation group, arbitrary state of port of choosing becomes while closing Down, and in described dynamic aggregation group, the Peer-Port of this port is set to Down state immediately.
Preferably, the described aggregation group according to two ends numbering both sides consult to form dynamic aggregation group and comprise:
Local terminal receives the notification packet from opposite end, determines the aggregation group numbering of opposite end according to the information of carrying in this notification packet;
In one end that aggregation group numbering is less, select reference port and choose other member port, consulting to form dynamic aggregation group with opposite end.
Preferably, the described aggregation group according to two ends numbering both sides consult to form dynamic aggregation group and comprise:
Local terminal receives the notification packet from opposite end, according to opposite end aggregation group numbering and the local terminal aggregation group numbering of configuration, in aggregation group, numbers the selected reference port in less one end and chooses other member port, consults to form dynamic aggregation group with opposite end.
Preferably, described notification packet comprises that described method also comprises from the uniqueness information of encircling mark and identifying this equipment identities:
In the notification packet from opposite end that arbitrary member port receives in described dynamic aggregation group, carry the described sign of ring certainly, and described uniqueness information is different from local terminal, processing reports an error;
In the notification packet from opposite end that arbitrary member port receives in described dynamic aggregation group, do not carry the described sign of ring certainly, and described uniqueness information is identical with local device, processing reports an error.
Preferably,, described notification packet is Link Aggregation Control Protocol Data Unit; Described uniqueness information is the SystemID carrying in described Link Aggregation Control Protocol Data Unit.
The application has also proposed a kind of processing unit from central link polymerization, it is characterized in that, described device comprises:
Polymerization module, is used to this equipment to preset two aggregation group, according to the aggregation group numbering both sides of local terminal and opposite end, consults to form dynamic aggregation group;
Module is set, and for when described dynamic aggregation group, when arbitrary state of choosing port becomes Down, in described dynamic aggregation group, the Peer-Port of this port is set to Down state immediately.
Preferably, described polymerization module specifically for:
Reception, from the notification packet of opposite end, is determined the aggregation group numbering of opposite end according to the information of carrying in this notification packet; In one end that aggregation group numbering is less, select reference port and choose other member port, consulting to form dynamic aggregation group with opposite end.
Preferably, described polymerization module specifically for:
Reception, from the notification packet of opposite end, according to opposite end aggregation group numbering and the local terminal aggregation group numbering of configuration, is selected reference port and chooses other member port in one end that aggregation group numbering is less, consults to form dynamic aggregation group with opposite end.
Preferably, described notification packet comprises that described device also comprises from the uniqueness information of encircling mark and identifying this equipment identities:
The module that reports an error, described from ring sign for carrying in the notification packet from opposite end receiving when the arbitrary member port of described dynamic aggregation group, and described uniqueness information is different from local terminal, processing reports an error; Also described from ring sign for not carrying in the notification packet from opposite end receiving when the arbitrary member port of described dynamic aggregation group, and described uniqueness information is identical with local device, processing reports an error.
Preferably, described notification packet is Link Aggregation Control Protocol Data Unit; Described uniqueness information is the System ID carrying in described Link Aggregation Control Protocol Data Unit;
By the present invention, can make equipment under self-ring mode, carry out dynamic aggregation, promote the time of delay of link failure detection simultaneously.
Accompanying drawing explanation
Fig. 1 is the application scenarios figure under a kind of customer equipment self-ring mode;
Fig. 2 is the application scenarios figure under a kind of customer equipment self-ring mode of providing of one embodiment of the invention;
Fig. 3 is the flow chart of a kind of processing method from central link polymerization of providing of one embodiment of the invention;
Fig. 4 is the building-block of logic of a kind of processing unit from central link polymerization of providing of one embodiment of the invention.
Embodiment
Refer to Fig. 2, in Fig. 2, customer equipment is connected with server, and this server is for adding up, identify the customer flow of customer equipment and the work such as monitoring.Now, customer equipment is self-ring mode, and the flow of this customer equipment is returned to customer equipment from ring again after described server process.
The application's embodiment proposes a kind of processing method from central link polymerization, referring to accompanying drawing, each embodiment of the application is described in further detail.
Refer to Fig. 3 the application one embodiment a kind of processing method from central link polymerization is provided, the method comprises:
S301, default two aggregation group of this equipment, consult to form dynamic aggregation group according to the aggregation group numbering both sides of local terminal and opposite end;
S302, in described dynamic aggregation group, when arbitrary state of choosing port becomes Down, in described dynamic aggregation group, the Peer-Port of this port is set to Down state immediately.
First, two aggregation group are set in advance on this equipment, as local terminal and the opposite end of carrying out dynamic link polymerization.Member port in local terminal and opposite end aggregation group enables respectively LACP agreement, and sends Link Aggregation Control Protocol Data Unit, and wherein a bit in this Link Aggregation Control Protocol Data Unit extended field will be as certainly encircling sign, this bit value 1.That in the Link Aggregation Control Protocol Data Unit that arbitrary member port is received in local terminal and opposite end aggregation group, carries is described when encircling mark value and be 1, shows that equipment work at present is at self-ring mode.
When equipment is operated in self-ring mode, described local terminal and opposite end aggregation group are determined Peer-Port place aggregation group numbering by the port id (Actor_Port) in the Link Aggregation Control Protocol Data Unit sending from Peer-Port of receiving, and the opposite end aggregation group numbering of determining is compared with local terminal aggregation group numbering, select the less one end of aggregation group numbering, then in the less one end of aggregation group numbering, directly select reference port, and consult to form dynamic aggregation group with opposite end after choosing other member port according to reference port.
Certainly, also can, according to the local terminal of configuration and the numbering of opposite end aggregation group, directly in the selected reference port in the less one end of aggregation group numbering, and consult to form dynamic aggregation group with opposite end after choosing other member port according to reference port.
Particularly, in the less one end of aggregation group numbering, after reference port is selected, first other member ports in this aggregation group determine that whether the configuration of port attribute class and the Equations of The Second Kind configuration of the port be identical with reference port, if, in Link Aggregation Control Protocol Data Unit, Aggregation bit in Actor_State field (2 bits that 0 order starts) is set to 1, receive after Link Aggregation Control Protocol Data Unit message opposite end, according to the value that receives the Aggregation bit in Actor_State in message, Aggregation bit in corresponding Partner_State field (2 bits that 0 order starts) is set to 1.Then, in the link of the Aggregation bit position 1 in local terminal aggregation group in all Partner_State fields, select with the Equations of The Second Kind of polymerization logic interface port and configure identical port, Aggregation bit in Actor_State field (2 bits that 0 order starts) is set to 1, and these ports are chosen port exactly.Selected port is in Link Aggregation Control Protocol Data Unit, and the Aggregation bit that the Aggregation bit in Actor_State field (2 bits that 0 order starts) is set in 1, Partner_State field is set to 1.Send to opposite end.Opposite end receives that the Aggregation bit in Actor_State field is set to after 1 message, the Aggregation bit position 1 in the Partner_State field of this link, because the Actor_State_Aggregation field of local terminal has put 1, so this port is selected port.
Certainly, during specific implementation, also can select reference port in the larger one end of aggregation group numbering, and consult to form dynamic aggregation group with opposite end after choosing other member port according to reference port.
Like this, aggregation group numbering by reference to local terminal and opposite end, thereby make equipment under self-ring mode, also can carry out dynamic aggregation and form dynamic aggregation group, guarantee that each link in this customer equipment can realize the dynamic load sharing of flow, needn't carry out complicated configuration simultaneously.
When equipment is under self-ring mode, form according to the method described above after dynamic aggregation group, when now in local terminal and opposite end aggregation group, arbitrary port becomes Down, this equipment is determined the Peer-Port of this port immediately according to the port of Down, in described dynamic aggregation group, the Peer-Port of this port is set to Down state.Like this, promote the speed of link failure detection, and completed fast the disposal of fault.
Wherein, at the present embodiment, can further include following steps.
In the Link Aggregation Control Protocol Data Unit from opposite end that arbitrary member port is received in described dynamic aggregation group, described is 1 from ring sign value, and the SystemID carrying in described Link Aggregation Control Protocol Data Unit is different from this equipment, the processing that reports an error, and by the flow switch carrying on this link to other links in dynamic aggregation group described in other; Actor_System_Priority and the Actor_System of described SystemID in described Link Aggregation Control Protocol Data Unit forms, Actor_System_Priority refers to the system priority of equipment, and Actor_System is the MAC Address compiling generation (joining in detail IEEE802.3) by equipment.
Concrete, in the Link Aggregation Control Protocol Data Unit from opposite end that arbitrary member port is received in described dynamic aggregation group, described is 1 from ring sign value, further compares Actor_System_Priority whether identical with local terminal, if different, processing directly reports an error; If identical, further compare Actor_System; If Actor_System is different, directly report an error, if Actor_System is identical, in the selected reference port in the less one end of aggregation group numbering, and consult to form dynamic aggregation group with opposite end after choosing other member port according to reference port.
In the present embodiment, in the Link Aggregation Control Protocol Data Unit from opposite end that arbitrary member port is received in described dynamic aggregation group, described is not 1 from ring sign value, and the SystemID carrying in described Link Aggregation Control Protocol Data Unit is identical with local terminal, and processing reports an error.
Known by above description, the embodiment of the present application is compared and is determined reference port by the numbering with link dynamic aggregation group port place aggregation group, thereby realizes dynamic aggregation under self-ring mode, has simplified configuration.
Refer to Fig. 4, the application one embodiment also provides a kind of processing unit 40 from central link polymerization, in the hardware structure relating to as the network equipment that carries apparatus of the present invention 40, generally include CPU, internal memory, nonvolatile memory, IO interface and other hardware.With software, be embodied as example, apparatus of the present invention 50 can be understood as the computer program being carried in internal memory conventionally, the logic device that the software and hardware forming after moving by CPU combines; This device 40 comprises:
Polymerization module 41, is used to this equipment to preset two aggregation group, according to the aggregation group numbering both sides of local terminal and opposite end, consults to form dynamic aggregation group;
Module 42 is set, and for when described dynamic aggregation group, when arbitrary state of choosing port becomes Down, in described dynamic aggregation group, the Peer-Port of this port is set to Down state immediately.
In the present embodiment, as a kind of implementation, described polymerization module 41 specifically for:
Reception, from the notification packet of opposite end, is determined the aggregation group numbering of opposite end according to the information of carrying in this notification packet; In one end that aggregation group numbering is less, select reference port and choose other member port, consulting to form dynamic aggregation group with opposite end.
In the present embodiment, as another kind of implementation, described polymerization module 41 specifically for:
Reception, from the notification packet of opposite end, according to opposite end aggregation group numbering and the local terminal aggregation group numbering of configuration, is selected reference port and chooses other member port in one end that aggregation group numbering is less, consults to form dynamic aggregation group with opposite end.
In the present embodiment, in described notification packet, also comprise from the uniqueness information of encircling mark and identifying this equipment identities;
In the present embodiment, described device 40 also comprises:
The module 43 that reports an error, described from ring sign for carrying in the notification packet from opposite end receiving when the arbitrary member port of described dynamic aggregation group, and described uniqueness information is different from local terminal, processing reports an error; Also described from ring sign for not carrying in the notification packet from opposite end receiving when the arbitrary member port of described dynamic aggregation group, and described uniqueness information is identical with local device, processing reports an error.
In the present embodiment, described notification packet is Link Aggregation Control Protocol Data Unit; Described uniqueness information is the SystemID carrying in described Link Aggregation Control Protocol Data Unit.
By the description of above embodiment, ability technical staff is appreciated that in embodiment, the module in device can be merged into a module, also can further split into a plurality of submodules.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of making, be equal to replacement, improvement etc., within all should being included in the scope of protection of the invention.
Claims (10)
1. from a processing method for central link polymerization, it is characterized in that, described method comprises:
This equipment is preset two aggregation group, according to the aggregation group numbering both sides of local terminal and opposite end, consults to form dynamic aggregation group;
In described dynamic aggregation group, arbitrary state of port of choosing becomes while closing Down, and in described dynamic aggregation group, the Peer-Port of this port is set to Down state immediately.
2. the method for claim 1, is characterized in that, the described numbering of the aggregation group according to two ends both sides consult to form dynamic aggregation group and comprise:
Local terminal receives the notification packet from opposite end, determines the aggregation group numbering of opposite end according to the information of carrying in this notification packet;
In one end that aggregation group numbering is less, select reference port and choose other member port, consulting to form dynamic aggregation group with opposite end.
3. the method for claim 1, is characterized in that, the described numbering of the aggregation group according to two ends both sides consult to form dynamic aggregation group and comprise:
Local terminal receives the notification packet from opposite end, according to opposite end aggregation group numbering and the local terminal aggregation group numbering of configuration, in aggregation group, numbers the selected reference port in less one end and chooses other member port, consults to form dynamic aggregation group with opposite end.
4. method as claimed in claim 2, is characterized in that, described notification packet comprises that described method also comprises from the uniqueness information of encircling mark and identifying this equipment identities:
In the notification packet from opposite end that arbitrary member port receives in described dynamic aggregation group, carry the described sign of ring certainly, and described uniqueness information is different from local terminal, processing reports an error;
In the notification packet from opposite end that arbitrary member port receives in described dynamic aggregation group, do not carry the described sign of ring certainly, and described uniqueness information is identical with local device, processing reports an error.
5. the method as described in as arbitrary in claim 1～4, is characterized in that, described notification packet is link aggregate control protocol data cell Link Aggregation Control Protocol Data Unit; Described uniqueness information is the system System ID carrying in described Link Aggregation Control Protocol Data Unit.
6. from a processing unit for central link polymerization, it is characterized in that, described device comprises:
Polymerization module, is used to this equipment to preset two aggregation group, according to the aggregation group numbering both sides of local terminal and opposite end, consults to form dynamic aggregation group;
Module is set, and for when described dynamic aggregation group, when arbitrary state of choosing port becomes Down, in described dynamic aggregation group, the Peer-Port of this port is set to Down state immediately.
7. device as claimed in claim 6, is characterized in that, described polymerization module specifically for:
Reception, from the notification packet of opposite end, is determined the aggregation group numbering of opposite end according to the information of carrying in this notification packet; In one end that aggregation group numbering is less, select reference port and choose other member port, consulting to form dynamic aggregation group with opposite end.
8. device as claimed in claim 6, is characterized in that, described polymerization module specifically for:
Reception, from the notification packet of opposite end, according to opposite end aggregation group numbering and the local terminal aggregation group numbering of configuration, is selected reference port and chooses other member port in one end that aggregation group numbering is less, consults to form dynamic aggregation group with opposite end.
9. device as claimed in claim 7, is characterized in that, also comprises that described device also comprises from the uniqueness information of encircling mark and identifying this equipment identities in described notification packet:
The module that reports an error, described from ring sign for carrying in the notification packet from opposite end receiving when the arbitrary member port of described dynamic aggregation group, and described uniqueness information is different from local terminal, processing reports an error; Also described from ring sign for not carrying in the notification packet from opposite end receiving when the arbitrary member port of described dynamic aggregation group, and described uniqueness information is identical with local device, processing reports an error.
10. the device as described in as arbitrary in claim 6～9, is characterized in that, described notification packet is Link Aggregation Control Protocol Data Unit; Described uniqueness information is the System ID carrying in described Link Aggregation Control Protocol Data Unit.
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| CN201410116420.6A CN103944776B (en) | 2014-03-26 | 2014-03-26 | A kind of method and apparatus from central link polymerization |
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| CN201410116420.6A CN103944776B (en) | 2014-03-26 | 2014-03-26 | A kind of method and apparatus from central link polymerization |
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| CN104468203A (en) * | 2014-11-26 | 2015-03-25 | 上海斐讯数据通信技术有限公司 | Allocating method of fault switching of ports in switch aggregation group |
| WO2019238006A1 (en) * | 2018-06-12 | 2019-12-19 | 中兴通讯股份有限公司 | Access authentication method for port, terminal, and storage medium |
| WO2020168996A1 (en) * | 2019-02-18 | 2020-08-27 | 中兴通讯股份有限公司 | Link aggregation port switching method, network device and computer storage medium |
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| CN103944776B (en) | 2017-12-08 |
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