CN103780472A - Selected port management method and device of aggregate port group - Google Patents
Selected port management method and device of aggregate port group Download PDFInfo
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Abstract
The invention discloses a selected port management method and device of an aggregate port group. The method comprises the steps that when a member port of a home end device newly joins a selected port list and the member port is not the first selected port, the member port is prevented from joining the sharing transmission of user traffic before the home end device determines that a member port, which is corresponding to the member port, of an opposite end device completes data receiving preparation; and when the home end device receives a command to close a shutdown selected port, the user traffic which is sent by the opposite end device and is received through the selected port is maintained before the home end device determines that the opposite end device stops sending data through the member port corresponding to the selected port. According to the invention, the packet loss rate in a link aggregation system is reduced.
Description
Technical field
The present invention relates to communication technical field, what relate in particular to a kind of aggregation port group chooses mouthful management method and equipment.
Background technology
Along with the development of network and the progress of technology, communication network becomes increasingly complex, and the flow on communication link is also increasing, existing communication link cannot continue the so many flows of carrying gradually, now, just need to improve the bandwidth of communication link, a kind of method is used link aggregation exactly.
In addition, along with the progress of network, also more and more higher to the reliability requirement of network, the network of former single link, once break down, will cause network to interrupt, link aggregation is head it off effectively, multilink bundles, and backups each other, thereby improves network reliability.
Ethernet link clustering is called for short link aggregation, and it is by many Ethernet physical links are bundled and become a logical links, thereby realization increases the object of link bandwidth.Meanwhile, these links that bundle, by mutual dynamic backup, can improve the reliability of link effectively, and its schematic diagram can be as shown in Figure 1.
Existing link aggregation implementation mainly contains static polymerization and dynamic aggregation.Wherein:
Static polymerization:
This polymerization methods main feature is that configuration is simple, realizes simply, and is only concerned about the state of this end interface of equipment, is indifferent to the state to end interface, does not need to carry out alternately with opposite end.
But the method is owing to being indifferent to opposite end, while easily causing certain member port of one end to go wrong, opposite end induction less than, opposite end is also continuing to use this member port, thereby causes network failure.
Dynamic aggregation
This polymerization methods main feature is, both link ends need to pass through aggregation protocol (LACP(Link Aggregation Control Protocol, Link Aggregation Control Protocol)) hold consultation, after two ends are consensus, just can be using this port as choosing member port, and use this interface to carry out Internet Transmission.This kind of mode can effectively solve the problem of the mutual perception of both link ends in static polymerization mode.
Wherein, based on IEEE(Institute of Electrical and Electronic Engineers, institute of Electrical and Electronic Engineers) the LACP agreement of 802.3ad standard is a kind of agreement that realizes link dynamic aggregation, move between the equipment of this agreement by sending out mutually LACPDU(LACP Data Unit, LACP protocol Data Unit) carry out the relevant information of interactive link polymerization.
In the method, close by shutdown(network manager) order closes some while choosing member port, local device is directly chosen this and mouthful from choose mouthful list, is deleted, this choose mouth no longer sharing of participating user flow send and accept; In the time newly adding one to choose member port, directly by the sending and receiving of sharing of this member port participating user flow.Because the processing of both link ends to LACP (comprises agreement calculating, platform, drive, chip list item issues etc.) always there is a difference of a speed, after one end that protocol processes first completes is used this member port to give out a contract for a project, opposite end may be also not complete by protocol processes, receives after packet, because this port is also not ready for, will there will be packet loss in short-term.
Summary of the invention
What the invention provides a kind of aggregation port group chooses mouthful management method and equipment, in order to reduce the packet loss in link aggregation system.
In order to reach above object, the embodiment of the present invention provides a kind of mouthful management method of choosing of aggregation port group, comprising:
When newly adding, the member port of local device chooses a mouthful list, and this member port is not that first is while choosing mouthful, described local device, before the member port of determining the opposite equip. that this member port is corresponding completes data receiver preparation, forbids this member port to add the transmission of sharing of customer flow;
When local device receives while closing the instruction that shutdown chooses mouthful, described local device is determining that opposite equip. stops choosing by this before mouthful corresponding member port sends data, keeps being chosen and mouthful being received the customer flow that opposite equip. sends by this.
Wherein, described local device determines that the member port of the opposite equip. that this member port is corresponding completes data receiver and prepares, and specifically comprises:
When newly adding, the member port of local device chooses a mouthful list, and this member port is not that first is while choosing mouthful, described local device starts first timer that should member port, and in the time that described first timer is overtime, determine that the member port of the opposite equip. that this member port is corresponding completes data receiver preparation.
Wherein, described local device determines that opposite equip. stops choosing a mouthful corresponding member port to send data by this, is specially:
In the time that local device receives the instruction that shutdown chooses mouthful, described local device starts the second timer to choosing mouthful, and when this second timer is overtime, determines that opposite equip. stops choosing a mouthful corresponding member port transmission data by this.
Wherein, if opposite equip. is supported expansion type length value TLV, newly add and choose a mouthful list at the member port of local device, and this member port is not first while choosing mouthful, the method also comprises:
Described local device sends the LACP message that carries expansion TLV data field to described opposite equip. by this member port, and receive by this member port the LACP message that carries expansion TLV data field that described opposite equip. sends; Wherein, in the time that this member port of described local device does not complete data receiver preparation, the value of the port status field in described expansion TLV data field is the first ident value; In the time that this member port of described local device completes data receiver preparation, the value of the port status field in described expansion TLV data field is the second ident value; Described the first ident value is for showing that corresponding port is not for completing data receiver standby condition; Described the second ident value is for showing that corresponding port is for completing data receiver standby condition;
Described local device determines that the member port of the opposite equip. that this member port is corresponding completes data receiver and prepares, and specifically comprises:
When described local device receives by this member port the Link Aggregation Control Protocol LACP message that carries expansion TLV data field that opposite equip. sends, and when the value of the port status field in described expansion TLV data field is the second ident value, described local device determines that the member port of the opposite equip. that this member port is corresponding completes data receiver and prepares.
Wherein, if opposite equip. is not supported expansion type length value TLV, described local device determines that the member port of the opposite equip. that this member port is corresponding completes data receiver and prepares, and specifically comprises:
When newly adding, the member port of local device chooses a mouthful list, and this member port is not that first is while choosing mouthful, described local device starts the 3rd timer that should member port, and in the time of described the 3rd timer expiry, determine that the member port of the opposite equip. that this member port is corresponding completes data receiver preparation.
Wherein, if opposite equip. is supported expansion type length value TLV, described local device determines that opposite equip. stops choosing a mouthful corresponding member port to send data by this, specifically comprises:
In the time that local device receives the instruction that shutdown chooses mouthful, described local device chooses mouth to send the Link Aggregation Control Protocol LACP message that carries extension length types value TLV data field to opposite equip. by this, and the value of the port status field in described expansion TLV data field is the 3rd ident value, and carry expansion TLV data field when what choose by this that mouth receives that described opposite equip. sends, and when the value of the port status field in expansion TLV data field is the LACP message of the 3rd ident value, described local device determines that opposite equip. stops choosing a mouthful corresponding member port to send data by this, wherein, the described expansion TLV data field that carries, and the value of the port status field in expansion TLV data field be the LACP message of the 3rd ident value be described opposite equip. receive that local device sends carry expansion TLV data field, and the value of the port status field in expansion TLV data field is the LACP message of the 3rd ident value, and the mouth of choosing that receives this LACP message is carried out to shutdown while processing, choose mouth to return to described local device by this.
Wherein, if opposite equip. is not supported expansion type length value TLV, described local device determines that opposite equip. stops choosing a mouthful corresponding member port to send data by this, specifically comprises:
In the time that local device receives the instruction that shutdown chooses mouthful, described local device starts the 4th timer to choosing mouthful, and when the 4th timer expiry, determines that opposite equip. stops choosing a mouthful corresponding member port transmission data by this.
Wherein, the method also comprises:
In the Link Aggregation Control Protocol LACP message that described local device sends to opposite equip. the expansion TLV data field that carries make described opposite equip. can identification record described in local device support expansion TLV;
In the time that described local device receives the LACP message that carries expansion TLV data field of described opposite equip. transmission, described local device is determined described opposite equip. support expansion TLV, and records described opposite equip. support expansion TLV.
The embodiment of the present invention also provides a kind of mouthful management equipment of choosing of aggregation port group, comprising:
The first determination module, for newly adding and choose a mouthful list when the member port of described equipment, and this member port be not first while choosing mouthful, whether the member port of determining the opposite equip. that this member port is corresponding completes data receiver is prepared;
The first processing module, before determining that at described the first determination module the member port of the opposite equip. that this member port is corresponding completes data receiver preparation, forbids this member port to add the transmission of sharing of customer flow;
The second determination module, while closing the instruction that shutdown chooses mouthful, determines whether opposite equip. stops choosing a mouthful corresponding member port to send data by this for receiving when described equipment;
The second processing module, before determining that at described the second determination module opposite equip. stops choosing by this mouthful corresponding member port transmission data, keeps choosing mouth to receive the customer flow that opposite equip. sends by this.
Wherein, described the first determination module specifically for, realize in the following manner the member port of determining opposite equip. corresponding to this member port and complete data receiver and prepare:
When newly adding, the member port of described equipment chooses a mouthful list, and this member port is not that first is while choosing mouthful, start first timer that should member port, and when described first timer is overtime, determine that the member port of the opposite equip. that this member port is corresponding completes data receiver preparation.
Wherein, described the second determination module specifically for, realize in the following manner and determine that opposite equip. stops choosing mouthful a corresponding member port to send data by this:
In the time that described equipment receives the instruction that shutdown chooses mouthful, start the second timer to choosing mouthful, and when this second timer is overtime, determine that opposite equip. stops choosing a mouthful corresponding member port transmission data by this.
Wherein, also comprise:
The first transceiver module, for support expansion type length value TLV when opposite equip., newly add and choose a mouthful list at the member port of local device, and this member port is not first while choosing mouthful, send the LACP message that carries expansion TLV data field by this member port to described opposite equip., and receive by this member port the LACP message that carries expansion TLV data field that described opposite equip. sends; Wherein, in the time that this member port of described local device does not complete data receiver preparation, the value of the port status field in described expansion TLV data field is the first ident value; In the time that this member port of described local device completes data receiver preparation, the value of the port status field in described expansion TLV data field is the second ident value; Described the first ident value is for showing that corresponding port is not for completing data receiver standby condition; Described the second ident value is for showing that corresponding port is for completing data receiver standby condition;
Described the first determination module specifically for, if described opposite equip. is all supported expansion type length value TLV, realize in the following manner the member port of determining opposite equip. corresponding to this member port and complete data receiver and prepare:
When described equipment receives by this member port the Link Aggregation Control Protocol LACP message that carries expansion TLV data field that opposite equip. sends, and when the value of the port status field in described expansion TLV data field is the second ident value, determine that the member port of the opposite equip. that this member port is corresponding completes data receiver preparation.
Wherein, described the first determination module specifically for, if opposite equip. is not supported expansion type length value TLV, realize in the following manner the member port of determining opposite equip. corresponding to this member port and complete data receiver and prepare:
When newly adding, the member port of described equipment chooses a mouthful list, and this member port is not that first is while choosing mouthful, start the 3rd timer that should member port, and when described the 3rd timer expiry, determine that the member port of the opposite equip. that this member port is corresponding completes data receiver preparation.
Wherein, also comprise:
The second transceiver module, if described opposite equip. is supported expansion type length value TLV, in the time that described equipment receives the instruction that shutdown chooses mouthful, choose mouth to send the Link Aggregation Control Protocol LACP message that carries extension length types value TLV data field to opposite equip. by this, and the described value of expanding the port status field in TLV data field is the 3rd ident value; Wherein, described the 3rd ident value shows that corresponding port is in pre-closed condition;
Described the second determination module specifically for, if opposite equip. is supported expansion type length value TLV, realize in the following manner and determine that opposite equip. stops choosing a mouthful corresponding member port to send data by this:
When described the second transceiver module carries expansion TLV data field by what this chose that mouth receives that described opposite equip. sends, and when the value of the port status field in expansion TLV data field is the LACP message of the 3rd ident value, determine that opposite equip. stops choosing a mouthful corresponding member port to send data by this; Wherein, the described expansion TLV data field that carries, and the value of the port status field in expansion TLV data field be the LACP message of the 3rd ident value be described opposite equip. receive that described equipment sends carry expansion TLV data field, and the value of the port status field in expansion TLV data field is the LACP message of the 3rd ident value, and the mouth of choosing that receives this LACP message is carried out to shutdown while processing, choose mouth to return to described equipment by this.
Wherein, described the second determination module specifically for, if opposite equip. is not supported expansion type length value TLV, realize in the following manner and determine that opposite equip. stops choosing mouthful a corresponding member port to send data by this:
In the time that described equipment receives the instruction that shutdown chooses mouthful, start the 4th timer to choosing mouthful, and when the 4th timer expiry, determine that opposite equip. stops choosing a mouthful corresponding member port transmission data by this.
Wherein, in the Link Aggregation Control Protocol LACP message that described equipment sends to opposite equip. the expansion TLV data field that carries make described opposite equip. can identification record described in local device support expansion TLV;
Described equipment also comprises:
The 3rd determination module, when receive the LACP message that carries expansion TLV data field that described opposite equip. sends when described equipment, determines described opposite equip. support expansion TLV, and records described opposite equip. support expansion TLV.
In the above embodiment of the present invention, when newly adding, the member port of local device chooses a mouthful list, and this member port is not that first is while choosing mouthful, this local device, before the member port of determining the opposite equip. that this member port is corresponding completes data receiver preparation, forbids this member port to add the transmission of sharing of customer flow; In the time that local device receives the instruction that shutdown chooses mouthful, this local device is before determining that opposite equip. stops choosing by this mouthful corresponding member port transmission data, keep choosing a mouthful customer flow that receives opposite equip. transmission by this, effectively reduce in link aggregation system, member port newly adds chooses mouth or shutdown to choose under the scene of mouth, because both link ends is to the inconsistent packet loss causing of LACP protocol processes progress, reduce the packet loss in link aggregation system.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a kind of Ethernet aggregated links of the prior art;
The schematic flow sheet of choosing mouthful management method of a kind of aggregation port group that Fig. 2 provides for the embodiment of the present invention;
The structural representation of a kind of TLV of expansion data field that Fig. 3 provides for the embodiment of the present invention;
A kind of port that Fig. 4 provides for the embodiment of the present invention newly adds the handling process schematic diagram of choosing mouthful list;
A kind of shutdown of receiving that Fig. 5 provides for the embodiment of the present invention chooses the handling process schematic diagram of mouthful instruction;
The structural representation of choosing mouthful management equipment of a kind of aggregation port group that Fig. 6 provides for the embodiment of the present invention.
Embodiment
For the problem of above-mentioned prior art, the embodiment of the present invention provides a kind of mouthful technical scheme for management of choosing of aggregation port group.In this technical scheme, when newly adding, the member port of local device chooses a mouthful list, and this member port is not that first is while choosing mouthful, this local device, before the member port of determining the opposite equip. that this member port is corresponding completes data receiver preparation, forbids this member port to add the transmission of sharing of customer flow; In the time that local device receives the instruction that shutdown chooses mouthful, this local device is before determining that opposite equip. stops choosing by this mouthful corresponding member port transmission data, keep choosing a mouthful customer flow that receives opposite equip. transmission by this, effectively reduce in link aggregation system, member port newly adds chooses mouth or shutdown to choose under the scene of mouth, because both link ends is to the inconsistent packet loss causing of LACP protocol processes progress, reduce the packet loss in link aggregation system.
It should be noted that in inventive embodiments, local device and opposite equip. are comparatively speaking, and are not to refer in particular to some or several equipment.For example, for an aggregated links, the equipment of this both link ends is respectively device A and equipment B, and from the angle of device A, device A is local device so, and equipment B is opposite equip.; In like manner, from the angle of equipment B, equipment B is local device, and device A is opposite equip..
The relevant treatment of the local device (opposite equip.) of correspondingly, mentioning in the embodiment of the present invention is applicable to the equipment at aggregated links two ends.For example, when device A is local device, when equipment B is opposite equip., the relevant treatment flow process of device A (local device), is local device with working as equipment B, and when device A is opposite equip., the relevant treatment flow process of equipment B is identical.
Below in conjunction with the accompanying drawing in embodiments of the invention, the technical scheme in embodiments of the invention is carried out to clear, complete description, obviously, the embodiments described below are only the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills are not paying the every other embodiment obtaining under creative work prerequisite, all belong to the scope of embodiments of the invention protection.
As shown in Figure 2, the schematic flow sheet of choosing mouthful management method of a kind of aggregation port group providing for the embodiment of the present invention, can comprise the following steps:
Concrete, in embodiments of the present invention, in the time that local device has member port newly to add to choose mouthful list, local device judges whether this member port is that first chooses mouth, when this member port is not first while choosing mouthful, local device need to be before the member port of determining the opposite equip. that this member port is corresponding completes data receiver preparation, forbid that this member port adds the transmission of sharing of customer flow, and in the time that the member port of determining the opposite equip. that this member port is corresponding completes data receiver preparation, this member port is added to the transmission of sharing of customer flow.
Wherein, in embodiments of the present invention, local device determines whether the member port of the opposite equip. that this member port is corresponding completes data receiver and prepare at least can have following two kinds of implementations:
Mode one, when newly adding, the member port of local device chooses a mouthful list, and this member port is not that first is while choosing mouthful, local device starts first timer that should member port, and in the time that this first timer is overtime, determine that the member port of the opposite equip. that this member port is corresponding completes data receiver preparation.
Mode two, by existing standard LACP agreement is expanded, in the extended field of standard LACP protocol massages, define a new TLV(Type Length Value, type lengths values) field, opposite equip. can be noticed the state chosen mouthful (as whether completed data receiver preparation etc.) to local device by this TLV data field.
In embodiments of the present invention, for the scene of expansion LACP agreement, in the time of local device support expansion TLV, in the LACP message that local device sends to opposite equip., carry expansion TLV data field, so that opposite equip. records this local device support expansion TLV, the expansion TLV data field carrying in the LACP message that local device sends to opposite equip. makes opposite equip. this local device support of identification record expand TLV; Correspondingly, in the time that local device receives the LACP message that carries expansion TLV data field of opposite equip. transmission, can determine opposite equip. support expansion TLV, and record this opposite equip. support expansion TLV; In embodiments of the present invention, in the LACP message that member device can receive by judgement, whether carry the TLV of expansion, determine whether opposite equip. supports to expand TLV, and record opposite equip. and whether support to expand TLV.
In which, if terminal device all supports to expand TLV, can identify and process the expansion TLV data field carrying in LACP message, local device can choose by newly adding the member port (non-first chosen mouth) of mouthful list to send the LACP message that carries expansion TLV data field to opposite equip., and receives the LACP message of expanding TLV data field that carries of opposite equip. transmission by this member port; Wherein, when this member port of this local device does not complete data receiver preparation, the value of the port status field (port state) in this expansion TLV data field is the first ident value; In the time that this member port of local device completes data receiver preparation, the value of this expansion TLV data field middle port mode field is the second ident value; Wherein, the first ident value is used for showing that corresponding ports is not for completing data receiver standby condition; The second ident value is used for showing that corresponding ports is for completing data receiver standby condition.
Correspondingly, when local device is expanded TLV data field by newly adding the member port (non-first chosen mouth) of choosing in mouthful list to receive carrying of opposite equip. transmission, and when the value of the port status field in this expansion TLV data field is the second ident value, local device can determine that the member port of the opposite equip. that this member port is corresponding completes data receiver and prepares; Wherein, the second ident value is for showing that corresponding port is for completing data receiver standby condition.
If local device support expansion TLV, and opposite equip. does not support to expand TLV, when newly adding, the member port of local device chooses a mouthful list, and this member port is not that first is while choosing mouthful, local device can start the 3rd timer that should member port, and in the time of the 3rd timer expiry, determine that the member port of the opposite equip. that this member port is corresponding completes data receiver preparation.
Concrete, in embodiments of the present invention, in the time that local device receives the instruction that shutdown chooses mouthful, this local device need to be before determining that opposite equip. stops choosing by this mouthful corresponding member port transmission data, keep choosing a mouthful customer flow that receives opposite equip. transmission by this, and in the time determining that opposite equip. stops choosing a mouthful corresponding member port to send data by this, no thoroughfare, and this chooses a mouthful customer flow that receives opposite equip. transmission, chooses mouth to delete from choose mouthful list this.
Wherein, in embodiments of the present invention, local device determines whether opposite equip. stops choosing mouthful a corresponding member port to send data to can to have less following two kinds of implementations by this:
Mode one, in the time that local device receives the instruction that shutdown chooses mouthful, this local device starts the second timer to choosing mouthful, and when this second timer is overtime, determines that opposite equip. stops choosing a mouthful corresponding member port transmission data by this.
Mode two, with above-mentioned local device determine the member port of the opposite equip. that member port is corresponding whether complete data receiver prepare in mode two similar, also can be by existing standard LACP agreement be expanded, in the extended field of standard LACP protocol massages, define a new TLV data field, member device can be noticed by this TLV data field the state (as whether stopped choosing mouth to send data etc. by this) of choosing mouth to opposite equip..
Known according to associated description in step 201, in embodiments of the present invention, local device can record opposite equip. and whether support to expand TLV.
In which, if terminal device all supports to expand TLV, local device is in the time receiving the instruction that shutdown chooses mouthful, can choose mouth to send the LACP message that carries expansion TLV data field to opposite equip. by this, and the value of the port status field in this expansion TLV data field is the 3rd ident value, prepare to close this and choose mouth so that opposite equip. is known local device, stopped choosing mouthful transmission data by this; Opposite equip. receives after this LACP message, this mouth of choosing that receives LACP message is carried out to shutdown processing, stop using mouthful participating user traffic sharing of choosing that receives this LACP message to send, and return and carry expansion TLV data field to this local device, and the value of port status field in expansion TLV data field is the LACP message of the 3rd ident value.Wherein, the 3rd ident value, for showing that corresponding port is in pre-closed condition, has stopped sending data by this port.
Correspondingly, local device carries expansion TLV data field by what this chose that mouth receives that opposite equip. sends, and the value of the port status field in expansion TLV data field while being the LACP message of the 3rd ident value, this local device determines that opposite equip. stops choosing a mouthful corresponding member port to send data by this.
If local device support expansion TLV, and opposite equip. does not support to expand TLV, in the time that local device receives the instruction that shutdown chooses mouthful, this local device starts the 4th timer to choosing mouth, and in the time of the 4th timer expiry, determine that opposite equip. stops choosing a mouthful corresponding member port to send data by this.
Take implementation that LACP agreement is expanded as example, the technical scheme that the embodiment of the present invention is provided is described below.
In this embodiment, the structural representation of the expansion TLV data field carrying in the LACP message of expansion can be as shown in Figure 3, and in this expansion TLV data field, the definition of each field length and value thereof can be as shown in table 1:
Table 1
Wherein, when port state(port status) value while being initial, show that corresponding port is init state, do not complete data receiver and prepare (the first ident value in corresponding above-described embodiment); In the time that the value of port state is ready, show that corresponding port has completed data receiver and prepared (the second ident value in corresponding above-described embodiment); In the time that the value of port state is pre-down, show the no longer participating user traffic sharing transmission of corresponding port, equipment stops sending data (the 3rd ident value in corresponding above-described embodiment) by this port.
In this embodiment, the equipment for not supporting to expand TLV: when it sends LACP message, send according to existing LACP message format; When it receives LACP message, do not comprise the LACP message of expansion TLV data field if receive, directly process according to existing LACP agreement; Comprise the LACP message of this expansion TLV data field if receive, ignore this expansion TLV data field, process by existing LACP agreement.
Equipment for supporting expansion TLV: when it sends LACP message, send the LACP message that comprises this TLV data field; When it receives LACP message, concrete handling process is being elaborated below.
Situation one, port (member port) newly add chooses a mouthful list
1, port newly adds and chooses a mouthful list, in the time sending LACP message, all brings this expansion TLV data field, when initial, port state field value is initial, now, port receive direction there is no method and processes customer flow, and this port is not in completing data receiver standby condition.Treat that LACP protocol negotiation calculating is complete, port adds polymerization complete, and the relevant entries (platform of this port receive direction of equipment, drive, all list items such as chip) refresh issue after (now, this port can have been processed customer flow, in completing data receiver standby condition), trigger this port and again send a LACP message, and port state field changes to ready.After this,, in periodicity keep-alive LACP message, this port state field will be ready always.
2, if opposite equip. is also supported this expansion TLV, the LACP message that the opposite equip. that local device receives is sent also can carry this expansion TLV data field, when in the LACP message receiving, when the port state field value of expansion TLV data field is initial, illustrate that opposite equip. does not also complete data receiver and prepares (being also not ready for receiving customer flow), now, local device is in the time having customer flow to send, if this port (receiving the port of this LACP message) is ready state but is not that first chooses mouth, temporary transient not participating user flow share transmission, all customer flows still continue to send original choosing on mouth.Until in the LACP message receiving, port state field value is ready, illustrate that opposite equip. completes data receiver and prepares (being ready to receive customer flow), now, again this member interface of local device is joined to sharing in group of sending direction, participating user flow share transmission.Thereby while having guaranteed to have new member port to add to choose mouthful list, network 0 packet loss.And if this port is that in aggregation group, first chooses mouth, this port is participated in the sending and receiving of sharing of customer flow directly.
If 3 opposite equip.s do not support to expand TLV, in the LACP message that the opposite equip. receiving is sent, just can not carry this expansion TLV data field.Now, this port calculates complete in LACP protocol negotiation, when port adds polymerization complete, if this port is not that in aggregation group, first chooses mouth, a timer (overtime duration arranges based on experience value, as 1000ms) is set, before timer expiry, local device is in the time having customer flow to send, and this port does not temporarily participate in the transmission of sharing of flow, and all customer flows still continue to send original choosing on mouth.(now think that opposite equip. has completed data receiver and prepared) until this timer expiry, then this port of local device joined to sharing in group of sending direction, participating user flow share transmission.Thereby reduce while there being new member port to add to choose mouthful list network packet loss rate.And if this port is that in aggregation group, first chooses mouth, this port is participated in the sending and receiving of sharing of customer flow directly.Wherein, port adds and chooses the handling process of mouthful list can be referring to Fig. 4.
Situation two, receive shutdown and choose a mouthful instruction
1, for arbitrary mouth of choosing of choosing in mouthful list, in the time that this chooses mouth newly to add to choose mouthful list, local device need to by this choose mouthful with opposite equip. carry out LACP message alternately.When local device first passage, this chooses mouth to receive the LACP message of opposite equip. transmission, can be according to whether carrying expansion TLV data field in this LACP message, determine whether this opposite equip. supports to expand TLV, and record this opposite equip. and whether support to expand TLV.
2, in the time that local device has received shudown and has chosen mouthful instruction, stop using immediately this to choose the transmission of sharing of mouthful participating user flow, choose mouthful upper flow switch sending to choose on mouth and go to other this, but this choose mouth to continue to receive customer flow at receive direction.After switching, in the time determining that according to self record opposite equip. is also supported to expand LTV, trigger and choose mouthful from this that to send a port state field value be the LACP message of pre down, and in the time choosing mouth to receive port state field value that opposite equip. returns to be the LACP message of pre down by this, no thoroughfare, and this is chosen and mouthful receives customer flow that opposite equip. sends.
When local device receives in the LACP message of opposite equip. transmission, when the port state field value of expansion TLV data field is pre down, illustrate that opposite equip. has received shutdown and chosen a mouthful instruction, now, stop using immediately the transmission of sharing of this port (receiving the port of this LACP message) participating user flow, the flow switch sending on this port is chosen on mouth and gone to other.After switching, triggering and sending port state field value from this port is the LACP message of pre down.
3, when local device receives shudown and chooses mouthful instruction, stop using immediately this to choose the transmission of sharing of mouthful participating user flow, choose mouthful upper flow switch sending to choose on mouth and go to other this, then sending direction down is fallen, but receive direction continues to receive customer flow.After switching, in the time determining that according to self record opposite equip. is not supported to expand LTV, local device arranges one and postpones down timer (arranging based on experience value, as 1000ms), after timer expiry, no thoroughfare, and this chooses a mouthful customer flow that receives opposite equip. transmission.Wherein, receive handling process that shutdown chooses mouthful instruction can Fig. 5 shown in.
It should be noted that in embodiments of the present invention, the arranging of timer that postpones down in the timer of the delayed delivery in above-mentioned situation one and situation two can comprise following at least two kinds of modes:
Mode one: polymerization interface (can be polymerization logic interfacing, also can be each member interface) order of upper increase, allow user to regulate the time-out time of this delayed delivery and delay down timer, user can be according to real network situation, and the calculated performance situation of the network equipment, flexible configuration.
Mode two: systems soft ware is fixedly installed a delayed delivery and postpones the timer expiry time of down, and invisible to user, user is non-adjustable.The occurrence of this time can, according to the calculated performance of equipment, through suitable test, be got a suitable empirical value, as 1000ms.
Can find out by above description, in the technical scheme providing in the embodiment of the present invention, when newly adding, the member port of local device chooses a mouthful list, and this member port is not that first is while choosing mouthful, this local device, before the member port of determining the opposite equip. that this member port is corresponding completes data receiver preparation, forbids this member port to add the transmission of sharing of customer flow; In the time that local device receives the instruction that shutdown chooses mouthful, this local device is before determining that opposite equip. stops choosing by this mouthful corresponding member port transmission data, keep choosing a mouthful customer flow that receives opposite equip. transmission by this, effectively reduce in link aggregation system, member port newly adds chooses mouth or shutdown to choose under the scene of mouth, because both link ends is to the inconsistent packet loss causing of LACP protocol processes progress, reduce the packet loss in link aggregation system.
Based on identical technical conceive, the embodiment of the present invention also provides a kind of mouthful management equipment of choosing of aggregation port group, can be applied to said method embodiment.
As shown in Figure 6, the structural representation of choosing mouthful management equipment of a kind of aggregation port group providing for the embodiment of the present invention, can comprise:
The first determination module 61, for newly adding and choose a mouthful list when the member port of described equipment, and this member port be not first while choosing mouthful, whether the member port of determining the opposite equip. that this member port is corresponding completes data receiver is prepared;
The first processing module 62, before determining that at described the first determination module 61 member port of the opposite equip. that this member port is corresponding completes data receiver preparation, forbids this member port to add the transmission of sharing of customer flow;
The second determination module 63, while closing the instruction that shutdown chooses mouthful, determines whether opposite equip. stops choosing a mouthful corresponding member port to send data by this for receiving when described equipment;
The second processing module 64, before determining that at described the second determination module 63 opposite equip. stops choosing the member port transmission data that mouth is corresponding by this, keeps choosing mouthful customer flow that reception opposite equip. sends by this.
Wherein, described the first determination module 61 specifically for, realize in the following manner the member port of determining opposite equip. corresponding to this member port and complete data receiver and prepare:
When newly adding, the member port of described equipment chooses a mouthful list, and this member port is not that first is while choosing mouthful, start first timer that should member port, and when described first timer is overtime, determine that the member port of the opposite equip. that this member port is corresponding completes data receiver preparation.
Wherein, described the second determination module 63 specifically for, realize in the following manner and determine that opposite equip. stops choosing mouthful a corresponding member port to send data by this:
In the time that described equipment receives the instruction that shutdown chooses mouthful, start the second timer to choosing mouthful, and when this second timer is overtime, determine that opposite equip. stops choosing a mouthful corresponding member port transmission data by this.
Wherein, also comprise:
The first transceiver module 65, for support expansion type length value TLV when opposite equip., newly add and choose a mouthful list at the member port of local device, and this member port is not first while choosing mouthful, send the LACP message that carries expansion TLV data field by this member port to described opposite equip., and receive by this member port the LACP message that carries expansion TLV data field that described opposite equip. sends; Wherein, in the time that this member port of described local device does not complete data receiver preparation, the value of the port status field in described expansion TLV data field is the first ident value; In the time that this member port of described local device completes data receiver preparation, the value of the port status field in described expansion TLV data field is the second ident value; Described the first ident value is for showing that corresponding port is not for completing data receiver standby condition; Described the second ident value is for showing that corresponding port is for completing data receiver standby condition;
Described the first determination module 61 specifically for, if described opposite equip. is all supported expansion type length value TLV, realize in the following manner the member port of determining opposite equip. corresponding to this member port and complete data receiver and prepare:
When described equipment receives by this member port the Link Aggregation Control Protocol LACP message that carries expansion TLV data field that opposite equip. sends, and when the value of the port status field in described expansion TLV data field is the second ident value, determine that the member port of the opposite equip. that this member port is corresponding completes data receiver preparation.
Wherein, described the first determination module 61 specifically for, if opposite equip. is not supported expansion type length value TLV, realize in the following manner the member port of determining opposite equip. corresponding to this member port and complete data receiver and prepare:
When newly adding, the member port of described equipment chooses a mouthful list, and this member port is not that first is while choosing mouthful, start the 3rd timer that should member port, and when described the 3rd timer expiry, determine that the member port of the opposite equip. that this member port is corresponding completes data receiver preparation.
Wherein, also comprise:
The second transceiver module 66, if described opposite equip. is supported expansion type length value TLV, in the time that described equipment receives the instruction that shutdown chooses mouthful, choose mouth to send the Link Aggregation Control Protocol LACP message that carries extension length types value TLV data field to opposite equip. by this, and the described value of expanding the port status field in TLV data field is the 3rd ident value; Wherein, described the 3rd ident value shows that corresponding port is in pre-closed condition;
Described the second determination module 63 specifically for, if opposite equip. is supported expansion type length value TLV, realize in the following manner and determine that opposite equip. stops choosing a mouthful corresponding member port to send data by this:
When described the second transceiver module 66 carries expansion TLV data field by what this chose that mouth receives that described opposite equip. sends, and when the value of the port status field in expansion TLV data field is the LACP message of the 3rd ident value, determine that opposite equip. stops choosing a mouthful corresponding member port to send data by this; Wherein, the described expansion TLV data field that carries, and the value of the port status field in expansion TLV data field be the LACP message of the 3rd ident value be described opposite equip. receive that described equipment sends carry expansion TLV data field, and the value of the port status field in expansion TLV data field is the LACP message of the 3rd ident value, and the mouth of choosing that receives this LACP message is carried out to shutdown while processing, choose mouth to return to described equipment by this.
Wherein, described the second determination module 63 specifically for, if opposite equip. is not supported expansion type length value TLV, realize in the following manner and determine that opposite equip. stops choosing mouthful a corresponding member port to send data by this:
In the time that described equipment receives the instruction that shutdown chooses mouthful, start the 4th timer to choosing mouthful, and when the 4th timer expiry, determine that opposite equip. stops choosing a mouthful corresponding member port transmission data by this.
Wherein, in the Link Aggregation Control Protocol LACP message that described equipment sends to opposite equip. the expansion TLV data field that carries make described opposite equip. can identification record described in equipment support expansion TLV;
Described equipment also comprises:
The 3rd determination module 67, when receive the LACP message that carries expansion TLV data field that described opposite equip. sends when described equipment, determines described opposite equip. support expansion TLV, and records described opposite equip. support expansion TLV.
It should be noted that, in concrete application, above-mentioned the first transceiver module 65 and the second transceiver module 66, can be same transceiver module, in the time of specific implementation, can realize by a transceiver module function of above-mentioned the first transceiver module 65 and the second transceiver module 66.
Through the above description of the embodiments, those skilled in the art can be well understood to the mode that the present invention can add essential general hardware platform by software and realize, and can certainly pass through hardware, but in a lot of situation, the former is better execution mode.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words can embody with the form of software product, this computer software product is stored in a storage medium, comprise that some instructions (can be mobile phones in order to make a station terminal equipment, personal computer, server, or the network equipment etc.) carry out the method described in each embodiment of the present invention.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be looked protection scope of the present invention.
Claims (16)
- Aggregation port group choose a mouthful management method, it is characterized in that, comprising:When newly adding, the member port of local device chooses a mouthful list, and this member port is not that first is while choosing mouthful, described local device, before the member port of determining the opposite equip. that this member port is corresponding completes data receiver preparation, forbids this member port to add the transmission of sharing of customer flow;When local device receives while closing the instruction that shutdown chooses mouthful, described local device is determining that opposite equip. stops choosing by this before mouthful corresponding member port sends data, keeps being chosen and mouthful being received the customer flow that opposite equip. sends by this.
- 2. the method for claim 1, is characterized in that, described local device determines that the member port of the opposite equip. that this member port is corresponding completes data receiver and prepares, and specifically comprises:When newly adding, the member port of local device chooses a mouthful list, and this member port is not that first is while choosing mouthful, described local device starts first timer that should member port, and in the time that described first timer is overtime, determine that the member port of the opposite equip. that this member port is corresponding completes data receiver preparation.
- 3. the method for claim 1, is characterized in that, described local device determines that opposite equip. stops choosing a mouthful corresponding member port to send data by this, is specially:In the time that local device receives the instruction that shutdown chooses mouthful, described local device starts the second timer to choosing mouthful, and when this second timer is overtime, determines that opposite equip. stops choosing a mouthful corresponding member port transmission data by this.
- 4. the method for claim 1, is characterized in that, if opposite equip. is supported expansion type length value TLV, newly add and choose a mouthful list at the member port of local device, and this member port is not first while choosing mouthful, and the method also comprises:Described local device sends the LACP message that carries expansion TLV data field to described opposite equip. by this member port, and receive by this member port the LACP message that carries expansion TLV data field that described opposite equip. sends; Wherein, in the time that this member port of described local device does not complete data receiver preparation, the value of the port status field in described expansion TLV data field is the first ident value; In the time that this member port of described local device completes data receiver preparation, the value of the port status field in described expansion TLV data field is the second ident value; Described the first ident value is for showing that corresponding port is not for completing data receiver standby condition; Described the second ident value is for showing that corresponding port is for completing data receiver standby condition;Described local device determines that the member port of the opposite equip. that this member port is corresponding completes data receiver and prepares, and specifically comprises:When described local device receives by this member port the Link Aggregation Control Protocol LACP message that carries expansion TLV data field that opposite equip. sends, and when the value of the port status field in described expansion TLV data field is the second ident value, described local device determines that the member port of the opposite equip. that this member port is corresponding completes data receiver and prepares.
- 5. method as claimed in claim 4, is characterized in that, if opposite equip. is not supported expansion type length value TLV, described local device determines that the member port of the opposite equip. that this member port is corresponding completes data receiver and prepares, and specifically comprises:When newly adding, the member port of local device chooses a mouthful list, and this member port is not that first is while choosing mouthful, described local device starts the 3rd timer that should member port, and in the time of described the 3rd timer expiry, determine that the member port of the opposite equip. that this member port is corresponding completes data receiver preparation.
- 6. the method for claim 1, is characterized in that, if opposite equip. is supported expansion type length value TLV, described local device determines that opposite equip. stops choosing a mouthful corresponding member port to send data by this, specifically comprises:In the time that local device receives the instruction that shutdown chooses mouthful, described local device chooses mouth to send the Link Aggregation Control Protocol LACP message that carries extension length types value TLV data field to opposite equip. by this, and the value of the port status field in described expansion TLV data field is the 3rd ident value, and carry expansion TLV data field when what choose by this that mouth receives that described opposite equip. sends, and when the value of the port status field in expansion TLV data field is the LACP message of the 3rd ident value, described local device determines that opposite equip. stops choosing a mouthful corresponding member port to send data by this, wherein, the described expansion TLV data field that carries, and the value of the port status field in expansion TLV data field be the LACP message of the 3rd ident value be described opposite equip. receive that local device sends carry expansion TLV data field, and the value of the port status field in expansion TLV data field is the LACP message of the 3rd ident value, and the mouth of choosing that receives this LACP message is carried out to shutdown while processing, choose mouth to return to described local device by this.
- 7. method as claimed in claim 6, is characterized in that, if opposite equip. is not supported expansion type length value TLV, described local device determines that opposite equip. stops choosing a mouthful corresponding member port to send data by this, specifically comprises:In the time that local device receives the instruction that shutdown chooses mouthful, described local device starts the 4th timer to choosing mouthful, and when the 4th timer expiry, determines that opposite equip. stops choosing a mouthful corresponding member port transmission data by this.
- 8. the method as described in any one in claim 4-7, is characterized in that, the method also comprises:In the Link Aggregation Control Protocol LACP message that described local device sends to opposite equip. the expansion TLV data field that carries make described opposite equip. can identification record described in local device support expansion TLV;In the time that described local device receives the LACP message that carries expansion TLV data field of described opposite equip. transmission, described local device is determined described opposite equip. support expansion TLV, and records described opposite equip. support expansion TLV.
- Aggregation port group choose a mouthful management equipment, it is characterized in that, comprising:The first determination module, for newly adding and choose a mouthful list when the member port of described equipment, and this member port be not first while choosing mouthful, whether the member port of determining the opposite equip. that this member port is corresponding completes data receiver is prepared;The first processing module, before determining that at described the first determination module the member port of the opposite equip. that this member port is corresponding completes data receiver preparation, forbids this member port to add the transmission of sharing of customer flow;The second determination module, while closing the instruction that shutdown chooses mouthful, determines whether opposite equip. stops choosing a mouthful corresponding member port to send data by this for receiving when described equipment;The second processing module, before determining that at described the second determination module opposite equip. stops choosing by this mouthful corresponding member port transmission data, keeps choosing mouth to receive the customer flow that opposite equip. sends by this.
- 10. equipment as claimed in claim 9, is characterized in that, described the first determination module specifically for, realize in the following manner the member port of determining opposite equip. corresponding to this member port and complete data receiver and prepare:When newly adding, the member port of described equipment chooses a mouthful list, and this member port is not that first is while choosing mouthful, start first timer that should member port, and when described first timer is overtime, determine that the member port of the opposite equip. that this member port is corresponding completes data receiver preparation.
- 11. equipment as claimed in claim 9, is characterized in that, described the second determination module specifically for, realize in the following manner and determine that opposite equip. stops choosing mouthful a corresponding member port to send data by this:In the time that described equipment receives the instruction that shutdown chooses mouthful, start the second timer to choosing mouthful, and when this second timer is overtime, determine that opposite equip. stops choosing a mouthful corresponding member port transmission data by this.
- 12. equipment as claimed in claim 9, is characterized in that, also comprise:The first transceiver module, for support expansion type length value TLV when opposite equip., newly add and choose a mouthful list at the member port of local device, and this member port is not first while choosing mouthful, send the LACP message that carries expansion TLV data field by this member port to described opposite equip., and receive by this member port the LACP message that carries expansion TLV data field that described opposite equip. sends; Wherein, in the time that this member port of described local device does not complete data receiver preparation, the value of the port status field in described expansion TLV data field is the first ident value; In the time that this member port of described local device completes data receiver preparation, the value of the port status field in described expansion TLV data field is the second ident value; Described the first ident value is for showing that corresponding port is not for completing data receiver standby condition; Described the second ident value is for showing that corresponding port is for completing data receiver standby condition;Described the first determination module specifically for, if described opposite equip. is supported expansion type length value TLV, the member port of realizing in the following manner the opposite equip. of determining that this member port is corresponding completes data receiver and prepares:When described equipment receives by this member port the Link Aggregation Control Protocol LACP message that carries expansion TLV data field that opposite equip. sends, and when the value of the port status field in described expansion TLV data field is the second ident value, determine that the member port of the opposite equip. that this member port is corresponding completes data receiver preparation.
- 13. equipment as claimed in claim 12, is characterized in that,Described the first determination module specifically for, if opposite equip. is not supported expansion type length value TLV, realize in the following manner the member port of determining opposite equip. corresponding to this member port and complete data receiver and prepare:When newly adding, the member port of described equipment chooses a mouthful list, and this member port is not that first is while choosing mouthful, start the 3rd timer that should member port, and when described the 3rd timer expiry, determine that the member port of the opposite equip. that this member port is corresponding completes data receiver preparation.
- 14. equipment as claimed in claim 9, is characterized in that, also comprise:The second transceiver module, if described opposite equip. is supported expansion type length value TLV, in the time that described equipment receives the instruction that shutdown chooses mouthful, choose mouth to send the Link Aggregation Control Protocol LACP message that carries extension length types value TLV data field to opposite equip. by this, and the described value of expanding the port status field in TLV data field is the 3rd ident value; Wherein, described the 3rd ident value shows that corresponding port is in pre-closed condition;Described the second determination module specifically for, if opposite equip. is supported expansion type length value TLV, realize in the following manner and determine that opposite equip. stops choosing a mouthful corresponding member port to send data by this:When described the second transceiver module carries expansion TLV data field by what this chose that mouth receives that described opposite equip. sends, and when the value of the port status field in expansion TLV data field is the LACP message of the 3rd ident value, determine that opposite equip. stops choosing a mouthful corresponding member port to send data by this; Wherein, the described expansion TLV data field that carries, and the value of the port status field in expansion TLV data field be the LACP message of the 3rd ident value be described opposite equip. receive that described equipment sends carry expansion TLV data field, and the value of the port status field in expansion TLV data field is the LACP message of the 3rd ident value, and the mouth of choosing that receives this LACP message is carried out to shutdown while processing, choose mouth to return to described equipment by this.
- 15. equipment as claimed in claim 14, is characterized in that,Described the second determination module specifically for, if opposite equip. is not supported expansion type length value TLV, realize in the following manner and determine that opposite equip. stops choosing mouthful a corresponding member port to send data by this:In the time that described equipment receives the instruction that shutdown chooses mouthful, start the 4th timer to choosing mouthful, and when the 4th timer expiry, determine that opposite equip. stops choosing a mouthful corresponding member port transmission data by this.
- 16. equipment as described in any one in claim 12-15, it is characterized in that, in the Link Aggregation Control Protocol LACP message that described equipment sends to opposite equip. the expansion TLV data field that carries make described opposite equip. can identification record described in equipment support expansion TLV;Described equipment also comprises:The 3rd determination module, when receive the LACP message that carries expansion TLV data field that described opposite equip. sends when described equipment, determines described opposite equip. support expansion TLV, and records described opposite equip. support expansion TLV.
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| CN108270589A (en) * | 2016-12-30 | 2018-07-10 | 北京华为数字技术有限公司 | A kind of message processing method and relevant apparatus |
| CN111585883A (en) * | 2019-02-18 | 2020-08-25 | 中兴通讯股份有限公司 | Link aggregation port switching method, network equipment and computer storage medium |
| CN111614555A (en) * | 2020-04-20 | 2020-09-01 | 北京百卓网络技术有限公司 | Method, device and equipment for establishing service channel |
| JP2021069039A (en) * | 2019-10-25 | 2021-04-30 | 住友電気工業株式会社 | Communication device, control method of communication device, and communication system |
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| CN108270589A (en) * | 2016-12-30 | 2018-07-10 | 北京华为数字技术有限公司 | A kind of message processing method and relevant apparatus |
| CN108270589B (en) * | 2016-12-30 | 2021-06-15 | 北京华为数字技术有限公司 | Message processing method and related device |
| CN111585883A (en) * | 2019-02-18 | 2020-08-25 | 中兴通讯股份有限公司 | Link aggregation port switching method, network equipment and computer 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 |
| JP2021069039A (en) * | 2019-10-25 | 2021-04-30 | 住友電気工業株式会社 | Communication device, control method of communication device, and communication system |
| JP7342611B2 (en) | 2019-10-25 | 2023-09-12 | 住友電気工業株式会社 | Communication device, control method for communication device, and communication system |
| CN111614555A (en) * | 2020-04-20 | 2020-09-01 | 北京百卓网络技术有限公司 | Method, device and equipment for establishing service channel |
| CN113794634A (en) * | 2021-08-02 | 2021-12-14 | 新华三信息安全技术有限公司 | Load sharing method and equipment |
| CN113794634B (en) * | 2021-08-02 | 2023-06-13 | 新华三信息安全技术有限公司 | Load sharing method and equipment |
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