CN103905326B - The message transmission control method and the network equipment of Ethernet link clustering - Google Patents
The message transmission control method and the network equipment of Ethernet link clustering Download PDFInfo
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Abstract
The present invention relates to the network communications technology.The present invention solves the problems, such as to cause message dropping during existing link aggregation group member port state change, there is provided the message transmission control method and the network equipment of a kind of Ethernet link clustering, its technical scheme can be summarized as：Aggregation group is created, and adds port, it is unselected state to set aggregation group member port, all member ports are added to aggregation group table, these ports set successively, port operation key is set first, and when in the port being normal connection status, reference port is selected, it is selected state to set it；Judge again other member ports information aggregate and reference port information aggregate it is whether consistent, it is selected state then to set the port in this way, otherwise it is unselected state to set the port, all of the port for selected state is added to polymerization mapping table, the network traffics of aggregation group are by the balanced forwarding of all of the port.The beneficial effects of the invention are as follows：Message dropping will not be caused, suitable for Ethernet link clustering.
Description
Technical field
The present invention relates to the network communications technology, Ethernet link clustering technology more particularly in network service.
Background technology
With flourishing for network technology, ethernet technology has become people as wherein important technological means
The information-based main bearing protocol of production, life, office etc..To meet people to link bandwidth, backup, load balancing etc.
The new demand of aspect, the link aggregation technology of Ethernet are arisen at the historic moment.Ethernet link clustering refers to multiple physics Ethernets
Port binding is that the link with four ethernet ports gathers to a logic port, i.e. an aggregation group, Fig. 1 together, is formed
Charge-coupled schematic diagram, to needing the message for being sent to correspondent network communication equipment can be different by local terminal Ethernet link clustering group
Ethernet port transmission, the mean allocation bandwidth on each ethernet port, so as to linearly increasing bandwidth.Ethernet link gathers
Ethernet port in charge-coupled is referred to as aggregation group member port.Aggregation group member port state has two kinds：Choose（Selected）
State and unselected（Unselected）State, the port in selected state can participate in forwarding user traffic, be in
The port of unselected state can not forward user traffic.
According to the difference of aggregation scheme, ethernet link link aggregation can be divided into both of which：Manual aggregation scheme and
Dynamic aggregation pattern.Manual aggregation scheme：Also known as static convergence pattern, not interaction protocol message maintain the convergent manner of link
State；Judge whether the port for adding convergence group can carry user traffic with reference to local device information.Dynamic aggregation pattern：
Also known as protocol convergence pattern, convergence pattern need interaction protocol message to maintain the convergence state of link, by this client information and right
Whether the port that the information at end judges to add convergence group jointly can carry user traffic.
For two kinds of different polymerization methodses, how to realize that the message forwarding control of Ethernet link clustering is carried out dynamically
When detecting and realize, and therefore recovering after the polymerization group membership physical link change for Ethernet link clustering, how to ensure
It is urgent problem to be solved that message, which successfully forwards,.
The content of the invention
The purpose of the present invention can cause lacking for message dropping when being and overcoming current link aggregation group member port state to change
Point, there is provided the message transmission control method and the network equipment of a kind of Ethernet link clustering.
The present invention solves above-mentioned technical problem, and the technical scheme of use is the message forwarding method of Ethernet link clustering,
Comprise the following steps：
A, an aggregation group is created, at least a port will be added in the aggregation group, and the polymerization composition is set
The state of member port is unselected state, and all aggregation group member ports are added into aggregation group table,
B, following operation is performed to the port in aggregation group table successively：The operation key key of port is set first, and sentenced
When the Link State of the disconnected port is normal connection status, aggregation group reference port is selected according to imposing a condition, reference is set
The state of port is selected state；Determine whether the information aggregate of other member ports and reference port in the aggregation group
Whether information aggregate is consistent, and in this way, then the state for setting the member port is selected state, otherwise sets the shape of the member port
State is unselected state；
C, aggregation group middle port state is added to polymerization mapping table, the polymerization for all member ports of selected state
The network traffics of group are by the balanced forwarding of all of the port in polymerization mapping table.
Preferable scheme is that methods described further comprises：
D, after the Link State of a certain aggregation group member port is off-state, judge the member port whether have into
For the condition of aggregation group reference port, if not, the state for setting the aggregation group member port is unselected state, and by this into
Member port removes polymerization mapping table；In this way, then reference port is selected from other member ports of aggregation group again, ginseng is set
The state for examining port is selected state；Determine whether the information aggregate of other member ports in the aggregation group with reselecting
Reference port information aggregate it is whether consistent, it is selected state or unselected to redefine all member ports in aggregation group
State, and polymerization mapping table is added or removed according to its state；
E, after the Link State for the aggregation group member port that step D links disconnect reverts to normal connection status, sentence
Whether the member port break with the condition as aggregation group reference port：If not, determine whether the letter of the member port
Whether breath set is consistent with the information aggregate of reference port, and in this way, the state for setting the aggregation group member port is selected state,
And the aggregation group member port is added to polymerization mapping table, otherwise terminate this flow；In this way, then it is poly- to select the member port
Charge-coupled reference port, the state for setting the aggregation group member port are selected state, and the aggregation group member port are added to
It polymerize mapping table, and determines whether that the information aggregate of the other member ports of aggregation group is combined with the information of aggregation group reference port
Whether consistent, it is selected state or unselected state to redefine other member ports in aggregation group, and is added according to its state
Enter or remove polymerization mapping table.
Specifically, the unselected state refers to the state that can not carry out message forwarding, the selected state is can be just
Often carry out the state of message forwarding.
Specifically, in the step B, the Operational key of port is set to refer to single dual-mode that port is set, speed and poly-
Charge-coupled identifier.
Specifically, in the step B, the basis, which imposes a condition, to be selected aggregation group reference port and refers to, judges member
The link priority of port, it is aggregation group reference port to select the high member port of link priority；
The link priority includes system identifier and port identifiers, and the system identifier includes system priority
With system MAC Address, the port identifiers include port priority and port numbers.
Specifically, for manual aggregation scheme, the selection of reference port is by the port in the link priority of member port
Identifier determines that the high member port of aggregation group middle port priority is elected as aggregation group reference port；It is if each in aggregation group
The port priority of member port is identical, then the small member port of port numbers is elected as aggregation group reference port；
For dynamic aggregation pattern, the selection of reference port by the system identifier in the link priority of member port and
Port identifiers together decide on；By the system identifier of local device compared with the system identifier of opposite equip., when this
When the system identifier of end equipment is high, the selection of locally aggregated group of reference port is by the port in the link priority of member port
Identifier determines；When the system identifier of local device is low, locally aggregated group of reference port is according to locally aggregated group membership end
The port identifiers for the opposite equip. that mouth is connected are selected.
Specifically, the information aggregate of reference port include port operation key, equipment where port system identifier and
The port operation key of opposite equip. port and the system identifier of opposite equip. of port connection.
It is a further object to provide a kind of network equipment, including：
Aggregation group setup module, for creating aggregation group, at least a port it will be added in the aggregation group, and set
The state of the aggregation group member port is unselected state, notifies aggregation group table management module；
Aggregation group table management module, it is poly- for the state of port to be added to for the aggregation group member port of unselected state
Charge-coupled table；
Port detecting module, whether the physical link for detecting the port in the aggregation group table is normal connection shape
State, in this way, determine whether the port meets the condition of message forwarding, in this way, then the state for setting the port is choosing
Middle state, notice polymerization mapping table management module are added operation；And the physics chain of the port in aggregation group table is detected
Notice polymerization mapping table management module carries out deletion action after road disconnects；
It polymerize mapping table management module, for the aggregation group member port information of selected state to be saved in into polymerization mapping
Table, and the aggregation group member port that physical link disconnects is deleted from polymerization mapping table；
Packet forwarding module, for network traffics to be assigned into the balanced forwarding of all member ports in polymerization mapping table.
A kind of preferable scheme is that the port detecting module is additionally operable to as follows to the port execution in aggregation group table successively
Operation：The operation key key of port is set first, and when the Link State for judging the port is normal connection status, according to
Impose a condition and select aggregation group reference port, the state for setting reference port is selected state；Determine whether the polymerization
Whether the information aggregate of other member ports and the information aggregate of reference port are consistent in group, in this way, then set the member port
State be selected state, notice polymerization mapping table management module be added operation；Otherwise the state of the member port is set
For unselected state.
A kind of preferable scheme is that the port detecting module is additionally operable to, when the chain for detecting a certain aggregation group member port
Line state is after off-state, judges whether the member port has the condition as aggregation group reference port, if not, setting
The state of the aggregation group member port is unselected state, and notifies that polymerizeing mapping table management module gathers member port removal
Close mapping table；In this way, then reference port is selected from other member ports of aggregation group again, the state of reference port is set
For selected state；Determine whether the information aggregate of other member ports in the aggregation group and the reference port that reselects
Whether information aggregate is consistent, and it is selected state or unselected state to redefine all member ports in aggregation group, and according to
Its state notifying polymerization mapping table management module adds or removed polymerization mapping table；
And/or the port detecting module is additionally operable to, when the Link State for the aggregation group member port that detection link disconnects
After reverting to normal connection status, judge whether the member port has the condition as aggregation group reference port：If not, enter
One step judges whether the information aggregate of the member port is consistent with the information aggregate of reference port, in this way, sets the polymerization to form
The state of member port is selected state, and notifies that polymerize mapping table management module is added to polymerization mapping table by the member port；
In this way, then the member port is selected as aggregation group reference port, the state for setting the aggregation group member port is selected state, and
Notice polymerization mapping table management module the aggregation group member port is added to polymerization mapping table, and determine whether aggregation group its
The information aggregate of its member port combined with the information of aggregation group reference port it is whether consistent, redefine in aggregation group it is other into
Member port is selected state or unselected state, and polymerize mapping table management module by the member port according to its state notifying
Add or remove polymerization mapping table.
The invention has the advantages that in the present invention program, by being added to aggregation group table in port, even if by port
Message forwarding state be arranged to can forwarding state, it also avoid message loop problem, and due to set polymerize mapping table when, end
Mouthful message forwarding state had been set to can forwarding state, therefore will not also cause the situation of message dropping.
Brief description of the drawings
Fig. 1 is the structural representation of Ethernet link clustering；
Fig. 2 is the message forwarding method flow chart of the Ethernet link clustering of the embodiment of the present invention；
Fig. 3 is the message forwarding method flow chart of the Ethernet link clustering of another embodiment of the present invention；
Fig. 4 is the network equipment infrastructure block diagram of the embodiment of the present invention.
Embodiment
With reference to embodiment and accompanying drawing, technical scheme is described in detail.
Referring to the message transmission control method for the Ethernet link clustering that Fig. 2 is the embodiment of the present invention, comprise the following steps：
Step 201：An aggregation group is created, at least a port will be added in the aggregation group, and is set described poly-
The state of charge-coupled member port is unselected state, and all aggregation group member ports are added into aggregation group table.Set in this step
The spanning-tree state for putting member port is consistent with the spanning-tree state of aggregation group.The aggregation group table is used to set aggregation group to be wrapped
The member port contained.
Step 202：Following operation is performed to the port in aggregation group table successively：The operation key key of port is set first,
And when the Link State for judging the port is normal connection status, aggregation group reference port is selected according to imposing a condition, if
The state for putting reference port is selected state；Determine whether the information aggregate of other member ports and reference in the aggregation group
Whether the information aggregate of port is consistent, and in this way, then the state for setting the member port is selected state, otherwise sets the member end
The state of mouth is unselected state.Until after having performed the operation of this step to all of the port in aggregation group table, into step
203。
In this step, the Operational key for setting port includes the actual speed in port, single dual-mode and affiliated
Polymerization group identifier.Whether wherein described port links state, the real physical links state comprising port are normal and real
Border Link Aggregation Control Protocol Data Unit（LACPDU,Link Aggregation Control Protocol Data
Unit）It is whether normal with interacting for opposite end.For manual aggregation scheme, port links do not polymerize control protocol by interactive link
Data cell interacts with opposite end, therefore the Link State of port is real physical links state, for dynamic aggregation pattern, port
Link needs to interact with opposite end by Link Aggregation Control Protocol Data Unit, therefore the Link State of port is by actual physics chain
Line state and physical link polymerization control protocol data cell interaction scenario together decide on.For manual convergence pattern, end
The physical link state of mouth is as described in Table 1；Described from table 1, for manual aggregation scheme, as long as the actual thing of port
Reason Link State is connected state, and the Link State of port is normal connection status.
The port links state of 1 manual aggregation scheme of table
| Port real physical links state | The Link State of port |
| Connected state | Normal connection status |
| Non-interconnected state | Off-state |
For dynamic aggregation pattern, the real physical links state of port is as described in Table 2.As shown in Table 2, for dynamic
For state aggregation scheme, only the real physical links state of port is connected state, and the polymerization of port links physical link is controlled
Protocol Data Unit interaction processed is normal, and the Link State of port is just normal connection status.
The port links state of the dynamic aggregation pattern of table 2
When the Link State for judging the port is normal connection status, aggregation group reference edge is selected according to imposing a condition
Mouthful.The condition as aggregation group reference port is the link priority of port, and the link priority includes system banner
Symbol and port identifiers.Specific system identifier includes system priority and system mac addresses, and port identifiers include port
Priority and port numbers.
For manual aggregation scheme, the selection of reference port is determined by the port identifiers in link priority, is gathered
The high member port of charge-coupled middle port priority is elected as the reference port of aggregation group.If the end of each member port in aggregation group
Mouth priority is identical, then the small member port of port numbers is elected as the reference port of aggregation group.Certain those skilled in the art are easy to
Expect, the big member port of port numbers can be elected as to the reference port of aggregation group completely, this place refers to cannot function as pair
The limitation of the application protection domain.
For dynamic aggregation pattern, the selection of reference port is needed by the system identifier in link priority and end
Mouth identifier together decides on.Aggregation group reference port right to choose is determined by the high equipment of system identifier, i.e., by local device
System identifier is locally aggregated when the system identifier of local device is high compared with the system identifier of opposite equip.
The selection of group reference port is determined by the port identifiers in the link priority of member port；When the system banner of local device
When according with low, the port identifiers for the opposite equip. that locally aggregated group of reference port is connected according to locally aggregated group membership port enter
Row selection.
After reference port is determined, selection logic is performed, the information aggregate of aggregation group member port needs and aggregation group
The information aggregate of reference port compares, if information aggregate is identical, port status is arranged into selected state, if information aggregate is not
It is identical, then port status is arranged to non-selected state.The information aggregate of the aggregation group member port includes：The operation of port
Key, the system priority of equipment where port, system mac addresses, the Operational key for the opposite equip. port being connected with the port,
The system priority of equipment, system mac addresses where Peer-Port.
Step 203, aggregation group middle port state is added to polymerization mapping table, institute for all member ports of selected state
The network traffics of aggregation group are stated by the balanced forwarding of all of the port in polymerization mapping table.
Judge which port status is changed, i.e., port status is changed into selected state from unselected state；By this into
Member port is added to polymerization mapping table.It is the port chosen that the polymerization mapping table, which is used to set aggregation group port status, is carried out
Polymerization mapping.Judge the spanning-tree state of port, the spanning-tree state of the port is determined by the spanning-tree state of aggregation group, is gathered
Charge-coupled spanning tree if can not forwarding state, then aggregation group mapping table without polymerization map；The spanning tree of the aggregation group
State then polymerize mapping table and carries out polymerization mapping if forwarding state.It polymerize mapping table and performs polymerization mapping, HASH algorithms will be poly-
On the member port that charge-coupled network service traffic equilibrium assignment is included to it.It is to forward in the spanning-tree state of aggregation group
During state, E-Packeted according to the aggregation group table and polymerization mapping table.
It is the message forwarding method flow chart of the Ethernet link clustering of another embodiment of the present invention referring to Fig. 3, including step
Suddenly：
Step 301, after the Link State of a certain aggregation group member port is off-state, whether the member port is judged
With the condition as aggregation group reference port, if not, the state for setting the aggregation group member port is unselected state, and
The member port is removed into polymerization mapping table；In this way, then reference port is selected from other member ports of aggregation group again,
The state for setting reference port is selected state；Determine whether in the aggregation group information aggregate of other member ports with again
Whether the information aggregate of the reference port newly selected consistent, redefine in aggregation group all member ports be selected state or
Unselected state, and polymerization mapping table is added or removed according to its state.
The Link State of the port changes, and its reason is probably that the physical link of port is changed into disconnected from connected state
Open state, or Link Aggregation Control Protocol Data Unit are changed into interacting disconnection from normal interaction, and above-mentioned steps 204 are detailed
State, here is omitted.
Step 302, when the Link State for the aggregation group member port that step 301 link disconnects reverts to normal connection shape
After state, judge whether the member port has the condition as aggregation group reference port：If not, determine whether the member end
Whether the information aggregate of mouth is consistent with the information aggregate of reference port, and in this way, the state for setting the aggregation group member port is choosing
Middle state, and the aggregation group member port is added to polymerization mapping table, otherwise terminate this flow；In this way, then the member is selected
Port is aggregation group reference port, and the state for setting the aggregation group member port is selected state, and by polymerization group membership end
Mouth is added to polymerization mapping table, and determines whether the information aggregate and aggregation group reference port of the other member ports of aggregation group
Whether information combination is consistent, and it is selected state or unselected state to redefine other member ports in aggregation group, and according to
Its state adds or removed polymerization mapping table.
Referring to the structured flowchart for the network equipment that Fig. 4 is the embodiment of the present invention, including：
Aggregation group setup module 401, for creating aggregation group, at least a port it will be added in the aggregation group, and
The state for setting the aggregation group member port is unselected state, notifies aggregation group table management module.
Aggregation group table management module 402, for the state of port to be added for the aggregation group member port of unselected state
To aggregation group table.
Port detecting module 403, whether the physical link for detecting the port in the aggregation group table is normally to connect
State, in this way, determine whether the port meets the condition of message forwarding, in this way, then the state for setting the port is
Selected state, notice polymerization mapping table management module are added operation；And the physics of the port in aggregation group table is detected
Notice polymerization mapping table management module carries out deletion action after link disconnects.
It polymerize mapping table management module 404, is reflected for the aggregation group member port information of selected state to be saved in into polymerization
Firing table, and the aggregation group member port that physical link disconnects is deleted from polymerization mapping table.
Packet forwarding module 405, for network traffics to be assigned into the balanced forwarding of all member ports in polymerization mapping table.
The port detecting module 403, it is additionally operable to successively perform the port in aggregation group table following operation：Set first
The operation key key of port, and when the Link State for judging the port is normal connection status, selected according to imposing a condition
Aggregation group reference port, the state for setting reference port are selected state；Determine whether other member ends in the aggregation group
Whether the information aggregate of mouth and the information aggregate of reference port are consistent, and in this way, then the state for setting the member port is to choose shape
State, notice polymerization mapping table management module are added operation；Otherwise the state for setting the member port is unselected state.
The port detecting module 403, it is additionally operable to when the Link State for detecting a certain aggregation group member port is disconnection shape
After state, judge whether the member port has the condition as aggregation group reference port, if not, setting polymerization group membership end
The state of mouth is unselected state, and notifies that polymerize mapping table management module removes polymerization mapping table by the member port；In this way,
Reference port then is selected from other member ports of aggregation group again, the state for setting reference port is selected state；Enter
One step judges the information aggregate of other member ports in the aggregation group and whether the information aggregate of reference port that reselects
Unanimously, it is selected state or unselected state to redefine all member ports in aggregation group, and is gathered according to its state notifying
Close mapping table management module and add or remove polymerization mapping table.
The port detecting module 403, it is additionally operable to when the Link State of the aggregation group member port of detection link disconnection is extensive
It is after normal connection status again, judges whether the member port has the condition as aggregation group reference port：If not, enter one
Step judges whether the information aggregate of the member port is consistent with the information aggregate of reference port, in this way, sets polymerization group membership
The state of port is selected state, and notifies that polymerize mapping table management module is added to polymerization mapping table by the member port；Such as
It is then to select the member port as aggregation group reference port, the state for setting the aggregation group member port is selected state, and is led to
Know that the aggregation group member port is added to polymerization mapping table by polymerization mapping table management module, and determine whether that aggregation group is other
Whether the information aggregate of member port is combined consistent with the information of aggregation group reference port, redefines other members in aggregation group
Port is selected state or unselected state, and polymerize mapping table management module according to its state notifying and add the member port
Enter or remove polymerization mapping table.
Presently preferred embodiments of the present invention is the foregoing is only, those skilled in the art is in the range of technical solution of the present invention
The usual variations and alternatives carried out should all include within the scope of the present invention.
Claims (8)
1. the message transmission control method of Ethernet link clustering, it is characterised in that comprise the following steps：
A, an aggregation group is created, at least a port will be added in the aggregation group, and the polymerization group membership end is set
The state of mouth is unselected state, and all aggregation group member ports are added into aggregation group table,
B, following operation is performed to the port in aggregation group table successively：The operation key key of port is set first, and is judging to be somebody's turn to do
When the Link State of port is normal connection status, aggregation group reference port is selected according to imposing a condition, reference port is set
State be selected state；Determine whether the information of the information aggregate of other member ports and reference port in the aggregation group
Whether set is consistent, and in this way, then the state for setting the member port is selected state, and the state for otherwise setting the member port is
Unselected state；
C, aggregation group middle port state is added to polymerization mapping table for all member ports of selected state, the aggregation group
Network traffics are by the balanced forwarding of all of the port in polymerization mapping table；
Methods described further comprises：
D, after the Link State of a certain aggregation group member port is off-state, judging whether the member port has turns into poly-
The condition of charge-coupled reference port, if not, the state for setting the aggregation group member port is unselected state, and by the member end
Mouth removes polymerization mapping table；In this way, then reference port is selected from other member ports of aggregation group again, reference edge is set
The state of mouth is selected state；Determine whether the information aggregate of other member ports and the ginseng reselected in the aggregation group
Whether consistent examine the information aggregate of port, it is selected state or unselected shape to redefine all member ports in aggregation group
State, and polymerization mapping table is added or removed according to its state；
E, after the Link State for the aggregation group member port that step D links disconnect reverts to normal connection status, judging should
Whether member port has the condition as aggregation group reference port：If not, determine whether the information collection of the member port
Whether conjunction is consistent with the information aggregate of reference port, and in this way, the state for setting the aggregation group member port is selected state, and will
The aggregation group member port is added to polymerization mapping table, otherwise terminates this flow；In this way, then the member port is selected as aggregation group
Reference port, the state for setting the aggregation group member port are selected state, and the aggregation group member port are added into polymerization
Mapping table, and determine whether the information aggregate of the other member ports of aggregation group and the information of aggregation group reference port combined whether
Unanimously, it is selected state or unselected state to redefine other member ports in aggregation group, and added according to its state or
Person removes polymerization mapping table.
2. the message transmission control method of Ethernet link clustering as claimed in claim 1, it is characterised in that described unselected
State refers to the state that can not carry out message forwarding, and the selected state is that can be normally carried out the state of message forwarding.
3. the message transmission control method of Ethernet link clustering as claimed in claim 1, it is characterised in that the step B
In, set the Operational key of port to refer to single dual-mode that port is set, speed and polymerization group identifier.
4. the message transmission control method of Ethernet link clustering as claimed in claim 1, it is characterised in that the step B
In, the basis, which imposes a condition, to be selected aggregation group reference port and refers to, judges the link priority of member port, selects link
The high member port of priority is aggregation group reference port；
The link priority includes system identifier and port identifiers, and the system identifier includes system priority and is
System MAC Address, the port identifiers include port priority and port numbers.
5. the message transmission control method of Ethernet link clustering as claimed in claim 4, it is characterised in that for poly- by hand
Syntype, the selection of reference port are determined that aggregation group middle port is excellent by the port identifiers in the link priority of member port
The high member port of first level is elected as aggregation group reference port；If the port priority of each member port is identical in aggregation group,
Then the small member port of port numbers is elected as aggregation group reference port；
For dynamic aggregation pattern, the selection of reference port is by the system identifier in the link priority of member port and port
Identifier together decides on；By the system identifier of local device compared with the system identifier of opposite equip., when local terminal is set
When standby system identifier is high, the selection of locally aggregated group of reference port is by the port-mark in the link priority of member port
Symbol determines；When the system identifier of local device is low, locally aggregated group of reference port is according to locally aggregated group membership port institute
The port identifiers of the opposite equip. of connection are selected.
6. the message transmission control method of the Ethernet link clustering as described in claim any one of 3-5, it is characterised in that ginseng
Examining the information aggregate of port includes port operation key, the system identifier of port place equipment and the port connection opposite end
The port operation key of device port and the system identifier of opposite equip..
A kind of 7. network equipment, it is characterised in that including：
Aggregation group setup module, for creating aggregation group, at least a port it will be added in the aggregation group, and described in setting
The state of aggregation group member port is unselected state, notifies aggregation group table management module；
Aggregation group table management module, for the state of port to be added into aggregation group for the aggregation group member port of unselected state
Table；
Port detecting module, whether the physical link for detecting the port in the aggregation group table is normal connection status, such as
It is to determine whether the port meets the condition of message forwarding, in this way, then the state for setting the port is to choose shape
State, notice polymerization mapping table management module are added operation；And the physical link of the port in aggregation group table is detected breaks
Notice polymerization mapping table management module carries out deletion action after opening；
The port detecting module is additionally operable to, and after the Link State for detecting a certain aggregation group member port is off-state, is sentenced
Whether the member port break with the condition as aggregation group reference port, if not, setting the shape of the aggregation group member port
State is unselected state, and notifies that polymerize mapping table management module removes polymerization mapping table by the member port；In this way, then again
Reference port is selected from other member ports of aggregation group, the state for setting reference port is selected state；Further sentence
Whether the information aggregate of reference port of the information aggregate of other member ports with reselecting is consistent in the aggregation group of breaking, weight
It is new to determine that all member ports are selected state or unselected state in aggregation group, and mapping table is polymerize according to its state notifying
Management module adds or removed polymerization mapping table；
And/or the port detecting module is additionally operable to, when the Link State for the aggregation group member port that detection link disconnects recovers
After normal connection status, judge whether the member port has the condition as aggregation group reference port：If not, further
Judge whether the information aggregate of the member port is consistent with the information aggregate of reference port, in this way, polymerization group membership end is set
The state of mouth is selected state, and notifies that polymerize mapping table management module is added to polymerization mapping table by the member port；In this way,
The member port is then selected as aggregation group reference port, the state for setting the aggregation group member port is selected state, and is notified
Polymerization mapping table management module the aggregation group member port is added to polymerization mapping table, and determine whether aggregation group it is other into
Whether the information aggregate of member port is combined consistent with the information of aggregation group reference port, redefines other member ends in aggregation group
Mouth is selected state or unselected state, and polymerize mapping table management module according to its state notifying and add the member port
Or remove polymerization mapping table；
It polymerize mapping table management module, for the aggregation group member port information of selected state to be saved in into polymerization mapping table, and
The aggregation group member port that physical link disconnects is deleted from polymerization mapping table；
Packet forwarding module, for network traffics to be assigned into the balanced forwarding of all member ports in polymerization mapping table.
8. the network equipment as claimed in claim 7, it is characterised in that the port detecting module is additionally operable to successively to aggregation group
Port in table performs following operation：The operation key key of port is set first, and in the Link State for judging the port for just
During normal connection status, aggregation group reference port is selected according to imposing a condition, the state for setting reference port is selected state；Enter
One step judges whether the information aggregate of other member ports and the information aggregate of reference port are consistent in the aggregation group, in this way,
The state for then setting the member port is selected state, and notice polymerization mapping table management module is added operation；Otherwise set
The state of the member port is unselected state.
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| CN108989085A (en) * | 2018-06-14 | 2018-12-11 | 北京星网锐捷网络技术有限公司 | Message forwarding configuration method and device based on distributed network |
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