CN105721234A - Port aggregation method and apparatus - Google Patents
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Abstract
The invention provides a port aggregation method and apparatus. The port aggregation method is applied to network equipment, and includes the steps: detecting the link state of a port, and when the link state of the port changes, generating a first aggregation activity member group according to the change and sending the aggregation activity members of the first aggregation activity member group to a data plane; and according to the port attribute, generating a second aggregation activity member group, and sending the aggregation activity members of the second aggregation activity member group to the data plane when the activity members of the first aggregation activity member group are different from the activity members of the second aggregation activity member group. Therefore, the port aggregation method can reduce the convergence time for port aggregation and can improve the reliability for aggregation.
Description
Technical field
The present invention relates to network communication technology field, particularly relate to port convergence method and device.
Background technology
Multiple physics ethernet ports are condensed together to form an aggregation group in logic by port trunking, it is possible to achieve flow is shared between each member port in aggregation group, to increase bandwidth.
Above-mentioned port trunking, except increasing bandwidth, also add the reliability of link.When after a wherein link failure, can be shared on other links in this aggregation group by the flow in aggregation group, without there is flow interrupt.
In prior art, after the aggregated links of the network equipment breaks down, common port trunking process is specific as follows:
(1) when generation interrupt event being detected, by the message informing central processing unit (CentralProcessingUnit, CPU) of link failure.
(2) after CPU receives the message of link failure, notice aggregation module processes.
(3) aggregation module updates the Link State of port, runs polymerization and selects logical calculated, obtains multiple aggregation group.
(4) from all aggregation group, select an optimum aggregation group, and new polymerization member is handed down to datum plane.
(5) load traffic in new polymerization member of the flow through the network equipment is forwarded.
But, when above-mentioned operation polymerization selects logic to obtain new polymerization member, its process is very complicated, consuming time very long so that the convergence time of port trunking is very long.
Summary of the invention
The present invention provides port convergence method and device, with solve in prior art run polymerization select logic obtain new polymerization member time, its process is very complicated, consuming time very long so that the problem that the convergence time of port trunking is very long.
In first aspect, embodiments providing a kind of port convergence method, described method is applied on the network equipment, including:
The Link State of detection port；
When detecting that described Link State changes, generate the first polymerization active members group according to described change, and the polymerization active members that described first is polymerized in active members group is sent to datum plane；
The second polymerization active members group is generated according to port attribute；
When the first active members being polymerized in active members group is different from the member that second is polymerized in active members group, the polymerization active members that described second is polymerized in active members group is sent to datum plane.
Preferably, the Link State of described port includes upstate or down state, described when detecting that described Link State changes, and generates the first polymerization active members group according to described change and specifically includes:
When described Link State becomes upstate from down state, then adding when pre-polymerization active members group by described port, the polymerization active members group obtained after described addition is described first polymerization active members group；
When described Link State becomes down state from upstate, and described port belongs to when pre-polymerization active members group, then remove described port from described when pre-polymerization active members group, described in remove after the polymerization active members group that obtains be described first polymerization active members group.
Specifically include it is further preferred that described according to port attribute generation the second polymerization active members group: the trunking of same port attribute is become an aggregation group, obtains at least one aggregation group；
Choosing an optimum aggregation group from all aggregation group obtained according to the order of priority of port attribute, described optimum aggregation group is described second polymerization active members group.
Wherein, described port attribute includes the duplex state of the Link State of port, port speed or port, and this duplex state includes full duplex state or half-duplex state.
In second aspect, embodiments providing a kind of port trunking device, described device is applied on the network equipment, including:
Detection unit, for detecting the Link State of port；
First generates unit, for when detecting that described Link State changes, generating the first polymerization active members group according to described change, and the polymerization active members that described first is polymerized in active members group is sent to datum plane；
Second generates unit, for generating the second polymerization active members group according to port attribute；
Transmitting element, for when the active members in the first polymerization active members group is different from the member that second is polymerized in active members group, being sent to datum plane by the polymerization active members that described second is polymerized in active members group.
Preferably, the Link State of described port includes upstate or down state, described first generates unit is additionally operable to when described Link State becomes upstate from down state, then adding when pre-polymerization active members group by described port, the polymerization active members group obtained after described addition is described first polymerization active members group；And, when described Link State becomes down state from upstate, and described port belongs to when pre-polymerization active members group, then remove described port from described when pre-polymerization active members group, described in remove after the polymerization active members group that obtains be described first polymerization active members group.
It is further preferred that described second generation unit is additionally operable to become the trunking of same port attribute one aggregation group, obtain at least one aggregation group；Choosing an optimum aggregation group from all aggregation group obtained according to the order of priority of port attribute, described optimum aggregation group is described second polymerization active members group.
Wherein, described port attribute includes the duplex state of the Link State of port, port speed or port, and this duplex state includes full duplex state or half-duplex state.
The application embodiment of the present invention is changed by the Link State of port and just can be quickly generated the first polymerization active members group, and the polymerization active members that first is polymerized in active members group is sent to datum plane, the convergence time of port trunking can be shortened, the second polymerization active members group is generated also by port attribute, and the first polymerization active members group is modified, when the first active members being polymerized in active members group is different from the member that second is polymerized in active members group, the polymerization active members that second is polymerized in active members group is sent to datum plane, improve the reliability of port trunking.
Accompanying drawing explanation
Fig. 1 is the application scenarios schematic diagram of application embodiment of the present invention port trunking；
Fig. 2 is an embodiment flow chart of port convergence method of the present invention；
Fig. 3 is another embodiment flow chart of port convergence method of the present invention；
Fig. 4 is a kind of hardware structure diagram of port convergence method place of the present invention equipment；
Fig. 5 is an embodiment block diagram of port trunking device of the present invention.
Detailed description of the invention
In order to make those skilled in the art be more fully understood that the technical scheme in the embodiment of the present invention, and it is understandable to enable the above-mentioned purpose of the embodiment of the present invention, feature and advantage to become apparent from, below in conjunction with accompanying drawing, technical scheme in the embodiment of the present invention is described in further detail.
Referring to Fig. 1, for applying the application scenarios schematic diagram of embodiment of the present invention port trunking:
Fig. 1 has illustrated the group-network construction of a kind of port trunking.Wherein, 4 aggregated links are had between the network equipment 11 and the network equipment 12, respectively link 1, link 2, link 3 and link 4, when a wherein aggregated links, such as, after link 4 breaks down, can be shared on other three aggregated links and link 1, link 2 and link 3 by the flow in aggregation group, without there is flow interrupt.But, owing to above-mentioned link there occurs switching, still there will be the phenomenon of packet loss to a certain extent, therefore, after link breaks down, the convergence time of port trunking is more short more good.
When utilizing standard polymerization algorithm to carry out port trunking selection logic, its calculating process includes: first, will become a logical aggregate group with the trunking of attribute on the network equipment 11 or the network equipment 12；Then, then from these aggregation group, select an optimum aggregation group, simultaneously using the port of choosing as aggregation port of the member in aggregation group, and these choose port be finally issued to datum plane carry out traffic sharing.
Wherein, trunking is become an aggregation group, it is necessary to consider the attribute of port, specifically include the duplex state (full duplex or half-duplex) etc. of the Link State mouth state (upstate or down state) of port, port speed, port.
Above-mentioned port attribute, except the Link State of port, in the process that port failure or port recover from fault, other port attributes nearly all will not change.Thus, a simple aggregation algorithm can be designed according to the change of the Link State of port and carry out completing port polymerization selection logic, this simple aggregation algorithm is because calculating is simple so consuming time very short, make the time that aggregation port is restrained very short, but this simple aggregation algorithm is likely to calculating and mistake occurs, therefore also need to utilize standard polymerization algorithm to be modified.
Below in conjunction with accompanying drawing, the embodiment of port convergence method of the present invention is described in detail.
Referring to Fig. 2, for an embodiment flow chart of port convergence method of the present invention, the method can apply on the network equipment, such as: the network equipment such as switch, router, comprises the following steps:
Step 210: the Link State of detection port.Wherein, the Link State of port includes upstate (UP state) or down state (DOWN state).
Step 220: when Link State port being detected changes, generates the first polymerization active members group according to this change, and the polymerization active members that first is polymerized in active members group is sent to datum plane.
Wherein, the Link State of port changes to refer to and becomes down state (DOWN state) from upstate (UP state)；Or become upstate (UP state) from down state (DOWN state).Such as: when the aggregated links at port place breaks down, then the Link State of corresponding with this port port becomes down state (DOWN state) from upstate (UP state)；When the aggregated links at port place is recovered from fault, then the Link State of corresponding with this port port becomes upstate (UP state) from down state (DOWN state).
Specifically, when Link State port being detected changes, simple aggregation algorithm is utilized to generate the first polymerization active members group for this change.
Wherein, simple aggregation algorithm includes:
(1) when the Link State of port becomes upstate (UP state) from down state (DOWN state), then adding this port when pre-polymerization active members group, the polymerization active members group obtained after described addition is the first polymerization active members group.
(2) when the Link State of port becomes down state (DOWN state) from upstate (UP state), and this port belongs to when pre-polymerization active members group, then remove this port from when pre-polymerization active members group, described in remove after the polymerization active members group that obtains be the first polymerization active members group.
Step 230: generate the second polymerization active members group according to port attribute.This port attribute includes the duplex state of the Link State of port, port speed or port.
Specifically, standard polymerization algorithm is utilized to generate the second polymerization active members group for port attribute.
Wherein, standard polymerization algorithm includes:
(1) trunking of same port attribute is become an aggregation group, obtain at least one aggregation group.
Wherein, the Link State of port includes upstate (UP state) or down state (DOWN state).The duplex state of port includes full duplex state or half-duplex state.
(2) choosing an optimum aggregation group from all aggregation group obtained according to the order of priority of port attribute, described optimum aggregation group is described second polymerization active members group.
Specifically, when there being the port being in upstate (UP state) in aggregation group, the order of priority of its port attribute include for:
Port full duplex/two-forty is more than the order of priority of port full duplex/low rate；
Port full duplex/low rate is more than the order of priority of port half-duplex/two-forty；
Port half-duplex/two-forty is more than the order of priority of port half-duplex/low rate.
Step 240: when the first active members being polymerized in active members group is different from the member that second is polymerized in active members group, the polymerization active members that described second is polymerized in active members group is sent to datum plane.
Specifically, first polymerization active members group is to utilize what simple aggregation algorithm obtained to predict the outcome, second polymerization active members group is the final result utilizing standard polymerization algorithm to obtain, it is modified because the final result that standard polymerization algorithm obtains is predicting the outcome that simple aggregation algorithm is obtained, so when the first active members being polymerized in active members group is different from the member that second is polymerized in active members group, namely predict the outcome different with final result, then illustrate that mistake in computation occurs in simple aggregation algorithm, final result is needed to be modified predicting the outcome, it is sent to datum plane by final result；When the first active members being polymerized in active members group is identical with the member that second is polymerized in active members group, namely predict the outcome identical with final result, then illustrate that mistake in computation does not occur in simple aggregation algorithm, it is not necessary to final result is modified predicting the outcome.
Therefore, the port convergence method that the embodiment of the present invention provides, changed by the Link State of port and just can be quickly generated the first polymerization active members group, and the polymerization active members that first is polymerized in active members group is sent to datum plane, shorten the convergence time of port trunking, the second polymerization active members group is generated also by port attribute, and the first polymerization active members group is modified, when the first active members being polymerized in active members group is different from the member that second is polymerized in active members group, the polymerization active members that second is polymerized in active members group is sent to datum plane, improve the reliability of port trunking.
Referring to Fig. 3, for being another embodiment flow chart of port convergence method of the present invention, comprise the following steps:
Step 310: the Link State of detection port.Wherein, the Link State of port includes upstate (UP state) or down state (DOWN state).
Step 320: when the Link State of port changes, runs simple aggregation algorithm, is predicted the outcome.
Wherein, simple aggregation algorithm is directly to generate according to the link-state change situation of port to predict the outcome.Such as, when the Link State of port becomes upstate (UP state) from down state (DOWN state), then this port is joined when pre-polymerization active members group, when the Link State of port becomes down state (DOWN state) from upstate (UP state), and this port belongs to when pre-polymerization active members group, then remove this port from when pre-polymerization active members group, thus obtaining new polymerization active members group, this new polymerization active members group is for predicting the outcome.This simple aggregation algorithm calculates simple, and the used time is very short, it is possible to be greatly shortened the convergence time of port trunking.
Step 330: the polymerization active members in predicting the outcome is issued to the datum plane of the network equipment.
Step 340: operation standard aggregating algorithm, obtains final result.
Wherein, existing standard polymerization algorithm has multiple, such as: aggregating algorithm under static polymerization pattern or aggregating algorithm under dynamic aggregation pattern.
Illustrate to obtain the process of final result for the aggregating algorithm under static polymerization pattern below:
(1) trunking of same port attribute is become an aggregation group, obtain at least one aggregation group.
(2) choosing an optimum aggregation group from all aggregation group obtained according to the order of priority of port attribute, this optimum aggregation group is final result.
Step 350: whether judgement predicts the outcome identical with final result, if it is different, then perform step 360；If identical, then perform step 370.Wherein, different with final result when predicting the outcome, illustrate to predict the outcome wrong, be modified predicting the outcome with final result, thus ensure that and adopting optimum aggregation group to share polymerization traffic, improve the reliability of port trunking.
Step 360: the polymerization active members in final result is issued to the datum plane of the network equipment.
Step 370: flow process terminates.
Therefore, the port convergence method that the embodiment of the present invention provides, utilize simple aggregation algorithm directly to generate according to the link-state change situation of port to predict the outcome, and the polymerization active members in predicting the outcome is sent to datum plane, it is greatly shortened the convergence time of port trunking, and, in order to verify predict the outcome whether correct, standard polymerization algorithm is utilized to generate final result, and utilize this final result to be modified predicting the outcome, thus ensure that and adopting optimum aggregation group to share polymerization traffic, improve the reliability of port trunking.
Corresponding with aforementioned port convergence method embodiment, present invention also offers the embodiment of port trunking device.
The embodiment of port trunking device provided by the invention can be applied on network devices.Device embodiment can be realized by software, it is also possible to is realized by the mode of hardware or software and hardware combining.Implemented in software for example, as the device on a logical meaning, it is that computer program instructions corresponding in nonvolatile memory is read to run in internal memory and formed by the processor by its place equipment.Say from hardware view; as shown in Figure 4; a kind of hardware structure diagram for port trunking device place of the present invention equipment; except the processor shown in Fig. 4, network interface, internal memory and nonvolatile memory; in embodiment, the equipment at device place generally can also include other hardware, such as the forwarding chip etc. of responsible process message；This equipment from hardware configuration is it is also possible that distributed equipment, it is possible to include multiple interface card, in order to carry out the extension of Message processing at hardware view.
Referring to Fig. 5, for an embodiment block diagram of port trunking device of the present invention.As it can be seen, this port trunking device is for performing Fig. 2 and Fig. 3 port convergence method provided, and it is applied on the network equipment.Described device includes: detection unit 51, first generates unit 52, second and generates unit 53 and transmitting element 54.
Wherein, detection unit 51 is for detecting the Link State of port.
First generates unit 52 for when Link State port being detected changes, generating the first polymerization active members group according to this change, and the polymerization active members that first is polymerized in active members group is sent to datum plane.
Second generates unit 53 for generating the second polymerization active members group according to port attribute.
Transmitting element 54 is for when the active members in the first polymerization active members group is different from the member that second is polymerized in active members group, being sent to datum plane by the polymerization active members that second is polymerized in active members group.
Alternatively, the Link State of port can include upstate or down state,
First generates unit 52 is additionally operable to when the Link State of port becomes upstate from down state, then add this port when pre-polymerization active members group, and the polymerization active members group obtained after described addition is the first polymerization active members group；And, when the Link State of port becomes down state from upstate, and this port belongs to when pre-polymerization active members group, then remove this port from when pre-polymerization active members group, described in remove after the polymerization active members group that obtains be the first polymerization active members group.
Still optionally further, second generates unit 53 is additionally operable to become the trunking of same port attribute one aggregation group, obtains at least one aggregation group；Choosing an optimum aggregation group from all aggregation group obtained according to the order of priority of port attribute, this optimum aggregation group is the second polymerization active members group.Wherein, port attribute can include the duplex state of the Link State of port, port speed or port.
It addition, the duplex state of port can include full duplex state or half-duplex state.
What in said apparatus, the function of unit and the process that realizes of effect specifically referred in said method corresponding step realizes process, does not repeat them here.
For device embodiment, owing to it corresponds essentially to embodiment of the method, so relevant part illustrates referring to the part of embodiment of the method.Device embodiment described above is merely schematic, the wherein said unit illustrated as separating component can be or may not be physically separate, the parts shown as unit can be or may not be physical location, namely may be located at a place, or can also be distributed on multiple NE.Some or all of module therein can be selected according to the actual needs to realize the purpose of the present invention program.Those of ordinary skill in the art, when not paying creative work, are namely appreciated that and implement.
As seen from the above-described embodiment, port trunking device provided by the invention, can be changed by the Link State of port and just can be quickly generated the first polymerization active members group, and the polymerization active members that first is polymerized in active members group is sent to datum plane, shorten the convergence time of port trunking, the second polymerization active members group is generated also by port attribute, and the first polymerization active members group is modified, when the first active members being polymerized in active members group is different from the member that second is polymerized in active members group, the polymerization active members that second is polymerized in active members group is sent to datum plane, improve the reliability of port trunking.
Those skilled in the art, after considering description and putting into practice invention disclosed herein, will readily occur to other embodiment of the present invention.The application is intended to any modification of the present invention, purposes or adaptations, and these modification, purposes or adaptations are followed the general principle of the present invention and include the undocumented known general knowledge in the art of the present invention or conventional techniques means.Description and embodiments is considered only as exemplary, and the true scope of the present invention and spirit are pointed out by claim below.
It should be appreciated that the invention is not limited in precision architecture described above and illustrated in the accompanying drawings, and various amendment and change can carried out without departing from the scope.The scope of the present invention is only limited by appended claim.
Claims (8)
1. a port convergence method, it is characterised in that described method is applied on the network equipment, including:
The Link State of detection port；
When detecting that described Link State changes, generate the first polymerization active members group according to described change, and the polymerization active members that described first is polymerized in active members group is sent to datum plane；
The second polymerization active members group is generated according to port attribute；
When the first active members being polymerized in active members group is different from the member that second is polymerized in active members group, the polymerization active members that described second is polymerized in active members group is sent to datum plane.
2. method according to claim 1, it is characterised in that the Link State of described port includes upstate or down state, described when detecting that described Link State changes, generates the first polymerization active members group according to described change and specifically includes:
When described Link State becomes upstate from down state, then adding when pre-polymerization active members group by described port, the polymerization active members group obtained after described addition is described first polymerization active members group；
When described Link State becomes down state from upstate, and described port belongs to when pre-polymerization active members group, then remove described port from described when pre-polymerization active members group, described in remove after the polymerization active members group that obtains be described first polymerization active members group.
3. method according to claim 1 and 2, it is characterised in that described according to port attribute generate second polymerization active members group specifically include:
The trunking of same port attribute is become an aggregation group, obtains at least one aggregation group；
Choosing an optimum aggregation group from all aggregation group obtained according to the order of priority of port attribute, described optimum aggregation group is described second polymerization active members group.
4. method according to claim 3, it is characterised in that described port attribute includes the duplex state of the Link State of port, port speed or port, wherein, described duplex state includes full duplex state or half-duplex state.
5. a port trunking device, it is characterised in that described device is applied on the network equipment, including:
Detection unit, for detecting the Link State of port；
First generates unit, for when detecting that described Link State changes, generating the first polymerization active members group according to described change, and the polymerization active members that described first is polymerized in active members group is sent to datum plane；
Second generates unit, for generating the second polymerization active members group according to port attribute；
Transmitting element, for when the active members in the first polymerization active members group is different from the member that second is polymerized in active members group, being sent to datum plane by the polymerization active members that described second is polymerized in active members group.
6. device according to claim 5, it is characterized in that, the Link State of described port includes upstate or down state, described first generates unit is additionally operable to when described Link State becomes upstate from down state, then adding when pre-polymerization active members group by described port, the polymerization active members group obtained after described addition is described first polymerization active members group；And, when described Link State becomes down state from upstate, and described port belongs to when pre-polymerization active members group, then remove described port from described when pre-polymerization active members group, described in remove after the polymerization active members group that obtains be described first polymerization active members group.
7. the device according to claim 5 or 6, it is characterised in that described second generates unit is additionally operable to become the trunking of same port attribute one aggregation group, obtains at least one aggregation group；Choosing an optimum aggregation group from all aggregation group obtained according to the order of priority of port attribute, described optimum aggregation group is described second polymerization active members group.
8. device according to claim 7, it is characterised in that described port attribute includes the duplex state of the Link State of port, port speed or port, wherein, described duplex state includes full duplex state or half-duplex state.
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| CN105721234B (en) | 2019-04-05 |
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