CN101820435A - Synchronization method and device for MAC (Media Access Control) address table information of distributed network processing system - Google Patents
Synchronization method and device for MAC (Media Access Control) address table information of distributed network processing system Download PDFInfo
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Abstract
The embodiment of the invention provides synchronization method and device for MAC (Media Access Control) address table information of a distributed network processing system. In the method, during the transmission of a service message of the same service, a service processing board receiving the service message learns or updates the MAC address table information corresponding to the MAC address according to the MAC address of the service message, the MAC address table information is the corresponding relationship between the MAC address and the port of the service processing board; at the same user network interface side or the same network interface side of the distributed network processing system, the MAC address table information is synchronized to another service processing board of the distributed network processing system if the transmission port receiving the service message and the transmission port transmitting the service message are not located on the same service processing board. The efficiency for the synchronization of the MAC address table information is improved, and the space occupied by the MAC address table information is saved.
Description
Technical field
The present invention relates to communication technical field, relate in particular to a kind of MAC (Media Access Control, medium access control) address list item information synchronization method and device of distributed network processing system.
Background technology
Distributed network processing system such as distributed bridge, each local zone network that is used for isolating mutually is connected to a local area network (LAN), and carries out the service message transmission between each Local Area Network.The transmission of service message need be according to the MAC Address of service message, and the MAC Address list item information of service processing board realizes.The MAC Address of service message comprises source address and destination address, and MAC Address list item information has write down the corresponding relation of the port of MAC Address and service processing board.
When service message transmits, according to the target MAC (Media Access Control) address of service message, search the MAC Address list item information corresponding with this target MAC (Media Access Control) address, obtain corresponding output port information, service message is forwarded.The corresponding MAC Address list item information of study simultaneously or renewal and source MAC; And the MAC Address list item information that will at every turn learn is to the broadcasting of other service processing board, and each service processing board carries out the study of this MAC Address list item information then.
After but this broadcasting was finished, each service processing board safeguarded MAC Address list item information separately respectively and be aging, and is so-called aging, promptly according to certain rule with unmatched MAC Address list item information deletion.Therefore, the MAC Address list item information of each service processing board can occur asynchronous, sometimes, the asynchronous of MAC Address list item information can produce problems, for example, service processing board 1 and service processing board 2 all have same MAC Address list item information, when service message is transmitted through service processing board 1 always, service processing board 2 can be because of not receiving the service message of this MAC Address in the ageing time, and with this MAC Address list item obsolescence of information deletion, when service message migrates to service processing board 2 and transmits, because of corresponding M AC address list item information in the service processing board 2 is deleted, this moment, service processing board 2 also needed to carry out the study of this MAC Address list item information again, and broadcasted to other service processing board.Because MAC Address list item information asynchronous in each service processing board produced a large amount of broadcasting and handled phenomenon, cause the decline of network processing system forwarding performance and efficient like this, destroyed the continuity of transfer of data.
Available technology adopting comprise that the distributed network processing system of an interface board and a plurality of service processing boards carries out synchronously, after interface board is forwarded to service processing board with service message, the MAC Address list item information broadcast that service processing board all will be learnt at every turn is in interface board and other all service processing boards, come the aging of MAC Address list item information in each service processing board of centralized maintenance by interface board then, ageing time promptly is set in interface board, if in ageing time, receive the corresponding business message, then corresponding M AC address list item information is upgraded, promptly reinitialize the ageing time in the MAC Address list item, otherwise, corresponding M AC address list item information in delete interface plate and each service processing board.
In realizing process of the present invention, the inventor finds that there is following problem at least in prior art: the MAC Address list item information that will at every turn learn all is broadcast to all service processing boards, synchronization efficiency is reduced, and MAC Address list item information has taken the big quantity space of each service processing board.
Summary of the invention
The embodiment of the invention provides a kind of MAC Address list item information synchronization method and device, to improve the efficient of MAC Address list item information synchronization, saves system resource.
The embodiment of the invention provides a kind of MAC Address list item information synchronization method of distributed network processing system, comprising:
In the service message transmission course of same business, receive the media access control MAC address of the service processing board of described service message according to described service message, learn or upgrade the MAC Address list item information of described MAC Address correspondence, described MAC Address list item information is the corresponding relation of described MAC Address and described service processing board port;
Same User Network Interface side or consolidated network network interface side at described distributed network processing system, if the transmit port that receives the transmit port of service message and send service message is not on same service processing board, then with described MAC Address list item information synchronization other service processing board to described distributed network processing system.
The embodiment of the invention also provides a kind of MAC Address list item information synchronization device of distributed network processing system, comprising:
Update module, be used for service message transmission course in same business, according to the MAC Address of described service message, learn or upgrade the MAC Address list item information of described MAC Address correspondence, described MAC Address list item information is the corresponding relation of described MAC Address and described service processing board port;
First judge module is used to judge same User Network Interface side or consolidated network network interface side at described distributed network processing system, and whether the transmit port that receives service message and the transmit port that sends service message be on same service processing board;
Synchronization module, the transmit port that is used for judged result at described first judge module and is described reception service message is with the transmit port that sends service message not on same service processing board the time, with described MAC Address list item information synchronization other service processing board to described distributed network processing system.
The embodiment of the invention also provides a kind of distributed network processing system, comprises a plurality of service processing boards,
Described service processing board, be used for service message transmission course in same business, MAC Address according to described service message, learn or upgrade the MAC Address list item information of described MAC Address correspondence, described MAC Address list item information is the corresponding relation of described MAC Address and described service processing board port; Same User Network Interface side or consolidated network network interface side at described distributed network processing system, if the transmit port that receives the transmit port of service message and send service message is not on same service processing board, then with described MAC Address list item information synchronization other service processing board to described distributed network processing system.
The embodiment of the invention has adopted in the same User Network Interface side of described distributed network processing system or consolidated network network interface side, the transmit port that receives the transmit port of service message and send service message is carried out synchronous technical scheme to the MAC Address list item information of study or renewal more not under the condition on the same service processing board.
Because have only usually subject to the foregoing, the transmission of service message just can be moved between service processing board, and then just may be because identical MAC Address list item information asynchronous in each service processing board, and transmission is interrupted and the problems of a large amount of broadcasting and produce.The embodiment of the invention guaranteed under this condition MAC Address list item information in the service processing board synchronously, overcome simultaneously that the MAC Address list item information to each study all is broadcast to all service processing boards in the prior art, and the synchronous efficiency that brings is low, and big problem takes up room.
As seen, the technical scheme of the embodiment of the invention has improved the efficient of MAC Address list item information synchronization, and has saved MAC Address list item information occupation space in the service processing board.
Description of drawings
Fig. 1 is the schematic diagram of distributed network processing system in the prior art;
Fig. 2 is the flow chart of the MAC Address list item information synchronization method of embodiment of the invention distributed network processing system;
Fig. 3 is the connection diagram of service processing board A and service processing board B in the embodiment of the invention;
Fig. 4 is the structural representation of MAC Address list item in the embodiment of the invention;
Fig. 5 is that the embodiment of the invention is with the method flow diagram of MAC Address list item information synchronization to other service processing boards of distributed network processing system;
Fig. 6 is the structural representation of FDB2 table in the embodiment of the invention;
Fig. 7 is the structural representation of embodiment of the invention sync message;
Fig. 8 is the service processing board connection diagram of carrying out MAC Address list item information synchronization in the embodiment of the invention;
Fig. 9 is the structured flowchart of the MAC Address list item information synchronization device of a kind of distributed network processing system of the embodiment of the invention;
Figure 10 is the structured flowchart of the MAC Address list item information synchronization device of the another kind of distributed network processing system of the embodiment of the invention;
Figure 11 is the structured flowchart of the MAC Address list item information synchronization device of the another kind of distributed network processing system of the embodiment of the invention;
Figure 12 is the structured flowchart of a kind of distributed network processing system of the embodiment of the invention;
Figure 13 is the structured flowchart of the another kind of distributed network processing system of the embodiment of the invention.
Embodiment
In order to make those skilled in the art can further understand feature of the present invention and technology contents, see also following about detailed description of the present invention and accompanying drawing, accompanying drawing only provide with reference to and explanation, be not to be used for limiting the present invention.
Below in conjunction with drawings and Examples, the technical scheme of the embodiment of the invention is described.
Between equipment or local area network (LAN), formulated certain business, undertaken based on this professional service message transmission by distributed network processing system, as shown in Figure 1, in the transmission course of this service message, this distributed network processing system is connected with equipment or network respectively, there is this professional service configuration information in this distributed network processing system, comprise: the service processing board information that receives service message and transmission service message process, the LAG at port information and this port place (Link Aggregation Group, link aggregation group) group port information, the MPLS of service bearer (Multi-Protocol Label Switching, multiprotocol label switching) tunnel information, professional VSI (Virtual Service instance, virtual service instance) information, professional VLAN (the Virtual Local Area Network that uses, VLAN) information, professional MAC address aging temporal information etc.This business can be come unique definite by VSI and VLAN.Wherein, the MPLS tunnel information comprises the MPLS tunnel information of work Ingress (Inbound), the MPLS tunnel information of work Egress (outgoing direction), the MPLS tunnel information of protection Ingress and the MPLS tunnel information of protection Egress.Corresponding service configuration information in this distributed network processing system also can be stored in this system in the corresponding service disposable plates.
Comprise the vlan information that MAC Address and this business are used in this professional service message that transmits by this distributed network processing system, wherein MAC Address comprises DA (DestinationAddress, destination address) and SA (Source Address, source address).Certainly, also can not comprise vlan information in the service message.
As shown in Figure 2, be the flow chart of the MAC Address list item information synchronization method of embodiment of the invention distributed network processing system.This method comprises:
Step 201, in the service message transmission course of same business, receive the MAC Address of the service processing board of described service message according to described service message, learn or upgrade the MAC Address list item information of described MAC Address correspondence, described MAC Address list item information is the corresponding relation of described MAC Address and described service processing board port;
As shown in Figure 3, when a certain service processing board A when port PO RT301 receives a service message, this service processing board A searches according to the DA of this service message whether corresponding MAC Address list item information is arranged, wherein, the MAC Address list item as shown in Figure 4, comprise MAC Address list item information and ageing time Aging Time, wherein, MAC Address list item information is the corresponding relation of MAC Address and service processing board BID, port numbers PID.The ageing time of MAC Address list item is when study or when upgrading this MAC Address list item information, according to the default value automatic setting of setting in the service configuration information or system.
If to find MAC Address is the MAC Address list item information of DA, can learn the corresponding relation of DA and outbound port, thereby this service message is forwarded to the destination from this port that this port may be at this service processing board A, also may be at another service processing board B.
Suppose the port PO RT302 of this port at service processing board B, then service processing board A is forwarded to service processing board B with service message, and this repeating process also can be finished by the power board that connects two service processing boards.Wherein, no matter service message is directly to be transmitted to service processing board B by service processing board A, or service processing board A is transmitted to service processing board B by power board, and service message is all transmitted by Business Processing passage between plate.
Service processing board B is according to service message MAC Address SA, search whether the MAC Address of SA correspondence list item information is arranged in this service processing board B, if have, then this MAC Address list item information is upgraded, if do not have, then learn this MAC Address list item information, the source service processing board A of SA and this service message and the corresponding informance of port numbers thereof are promptly set up in so-called study, this list item information set up or refresh after can be according to the ageing time of the setting in the corresponding service configuration information or this list item of system default a period of time value generation, this ageing time also can make amendment or reset as required.Certainly for the study of the MAC Address list item information of SA correspondence or upgrade and also can in service processing board A, carry out.Suppose this port still in service processing board A, then said process is directly finished in service processing board A.
Can be before described study or upgrading the MAC Address list item information of described MAC Address correspondence, judge that whether described service message is from Business Processing passage between the plate of distributed network processing system, if then the MAC Address list item information of described MAC Address correspondence is learnt or upgraded to the described service message of foundation.
Service message has two kinds of sources, the service message that receives as above-mentioned service processing board A derives from the external equipment or the network of distributed network processing system, and the service message that service processing board B receives derives from Business Processing passage between this intrasystem plate, source to service message in the present embodiment is judged, in service processing board B, carry out the study or the renewal of MAC Address list item information, service processing board A only is responsible for the forwarding of service message like this, study or renewal MAC Address list item information are finished by service processing board B, help improving the treatment effeciency of service message.
Step 202, same User Network Interface side or consolidated network network interface side at described distributed network processing system, if the transmit port that receives the transmit port of service message and send service message is not on same service processing board, then with described MAC Address list item information synchronization other service processing board to described distributed network processing system.
According to agreement G.8012/Y.1308, distributed network processing system has two kinds of interface side: UNI (User Network Interface, User Network Interface) side and NNI (Network Network Interface, Network-to-Network Interface) side, wherein, the UNI side is the interface between subscriber equipment and the network, and direct user oriented equipment makes between subscriber equipment and the network or exchange message mutually between network and the subscriber equipment; NNI can be regarded as the interface between Network-Node Interface or the gateway/network.For example, when distributed network processing system carries out service message when transmission between subscriber equipment and the operator, user equipment side is the UNI side, carrier side is the NNI side, when distributed network processing system carries out two service messages whens transmission between the subscriber equipment, two user equipment side are two different UNI sides; When distributed network processing system carries out two service messages whens transmission between the operator, two carrier sides are two different NNI sides.
In embodiments of the present invention, as long as same UNI side or same NNI side, the transmit port that receives service message and the transmit port that sends service message not on same service processing board, just with the MAC Address list item information synchronization of study in the step 201 or renewal in other service processing board.
Wherein, in same UNI side or same NNI side, whether the transmit port that receives service message and the transmit port that sends service message on same service processing board, can be judged according to following port information:
Whether LAG group port is on same service processing board; Perhaps, whether the MPLS tunnel port of the MPLS tunnel port of Egress and Ingress is on same service processing board; Perhaps, receive the MPLS tunnel port of the MPLS tunnel port of work Egress of service message and protection Egress whether on same service processing board; Perhaps, send the MPLS tunnel port of the MPLS tunnel port of work Ingress of service message and protection Ingress whether on same service processing board; Perhaps, the combination in any of above-mentioned judgement.
Also can judge in a certain order, in the present embodiment, adopt following order to judge:
S1, whether the MPLS tunnel port of judging the MPLS tunnel port of Ingress and Egress on same service processing board, if then carry out S2, then carries out subsequent step 202 if not;
S2, whether the MPLS tunnel of checking Ingress is at APS (Automatic Protection Switching, APS) in the protection, if whether the MPLS tunnel port of the MPLS tunnel port of then judging described work Ingress and protection Ingress is on same service processing board, if then carry out S3, then carry out subsequent step 202 if not;
S3, whether the MPLS tunnel of checking Egress is in the APS protection, if then whether the MPLS tunnel port of the MPLS tunnel port of judgment task Egress and protection Egress on same service processing board, if then carry out S4, then carries out subsequent step 202 if not;
S4 judges that LAG group port member under the port of service message process whether on same service processing board, obtains judged result, carries out subsequent step 202 then.
As long as in same UNI side or same NNI side, the transmit port of the transmit port of reception service message and transmission service message is not on same service processing board, described MAC Address list item information synchronization other service processing board to described distributed network processing system also can all can be carried out above-mentioned judgement to both sides.When the MPLS tunnel in the service configuration information changes or LAG forms and builds when deletion, can re-execute above-mentioned determining step, can carry out according to the determining step of S1～S4.
In the embodiment of the invention, whether MAC Address list item information is carried out synchronous situation is analyzed, in the service message transmission course of same business, same UNI side or same NNI side, the transmit port of the transmit port of reception service message and transmission service message is not under the condition on the same service processing board, carry out the synchronous of MAC Address list item information, improved the efficient of MAC Address list item information synchronization, and saved MAC Address list item information occupation space in the service processing board.Specifically can be to the method for other service processing board of described distributed network processing system with reference to following examples with described MAC Address list item information synchronization.
With reference to Fig. 5, for the embodiment of the invention with the method flow diagram of MAC Address list item information synchronization to other service processing boards of distributed network processing system.
Adopt FDB2 (Filtering DataBase2 in the present embodiment, forwarding database) table is provided with the synchronizing information of each service processing board, to control the synchronous of MAC Address list item information, the structure of FDB2 table as shown in Figure 6, comprise VSI, VLAN and MAC synchronization bit position S, also out of Memory can be set again.Wherein, the VLAN in the FDB2 table can be illegal value, promptly can not comprise vlan information in the FDB2 table.
" MAC synchronization bit position S " 601 in the FDB2 table, be used for representing whether need to carry out the synchronous of MAC Address list item information,, represent that this MAC Address list item informational needs is synchronous if the synchronization bit position is set to 1, the synchronization bit position is " 0 ", and expression can not carried out synchronously.
In same UNI side or same NNI side, when the transmit port that receives service message with the transmit port that sends service message not on same service processing board the time, in each service processing board that relates in the service configuration information that this is professional, synchronization bit position in the FDB2 table corresponding with this professional vlan information and VSI information is set to " 1 ", to not relate in this service configuration information in other the service processing board, the synchronization bit position in the FDB2 table corresponding with this professional vlan information and VSI information is set to " 0 ".In UNI side and NNI side, when the transmit port that receives service message with the transmit port that sends service message all on same service processing board the time, can be with in each service processing board, the synchronization bit position in the FDB2 table corresponding with this professional vlan information and VSI information all is set to " 0 ".When if the vlan information in the FDB2 table is illegal value, the setting up procedure of above-mentioned synchronization bit position can only carry out according to this professional VSI information.
After study or upgrading MAC Address list item information, the information that can directly show with reference to FDB2, judge whether to carry out the synchronous of this MAC Address list item information, also can omit or take other mode that the synchronizing information of the service processing board in this distributed network processing system is carried out mark.As searching in service processing board directly whether the corresponding business configuration information is arranged, judge whether to carry out the synchronous of corresponding MAC Address list item information again.
After study or upgrading MAC Address list item information, if comprise vlan information in the service message, then according to the vlan information of service message and the VSI information in this service message corresponding service configuration information, check the synchronization bit position in the FDB2 table with identical vlan information and VSI information, if the synchronization bit place value illustrates then that for " 1 " the MAC Address list item informational needs of this study or renewal is synchronized to other service processing board of this distributed network processing system, if " 0 " then can carry out synchronously.If do not comprise vlan information in the service message, then search VSI information in the corresponding service configuration information according to service message, in the FDB2 table corresponding, check the synchronization bit place value then with this VSI information.
In the present embodiment, if after study or the renewal MAC Address list item information, the synchronization bit position in the FDB2 table of finding is " 1 ", then needs described MAC Address list item information synchronization other service processing board to described distributed network processing system, can may further comprise the steps
Step 501, the structure sync message, described sync message comprises described MAC Address list item information and related service configuration information.
According to information such as the source address SA in the corresponding MAC Address list item information, message source service processing board A and port numbers, the structure sync message, as shown in Figure 7, in the present embodiment, the regular length of this sync message is 15 bytes, only comprise VSI numbering (16 bit), VLAN (12 bit), SA (48 bit), service processing board BID (16 bit), port numbers PID (12 bit), CRC check (16 bit), this sync message takies flow seldom, and service processing board etc. are gone back headspace with expansion backward.Certainly, also can not comprise vlan information in this sync message.
Can also comprise step 502, set priority for described sync message, the sync message that the MAC Address list item information of general study produces is set at preferentially, and the sync message that the MAC Address list item information of renewal produces is for taking second place; When a plurality of sync messages need be broadcasted, preferentially broadcast the high sync message of priority according to the priority of described sync message.
The setting that sync message is carried out priority also is in order to prevent the transmission of excessive sync message, and according to priority ranks when sending, and sends preferential sync message earlier.Certainly, also can reset priority level as required.
Step 503 is broadcasted described sync message other service processing board to described distributed network processing system by communication channels among boards.
Sync message adopts communication channels among boards to send, and does not take the Business Processing passage, not influence the transmission of service message.The general mode of broadcasting that adopts is sent to sync message in other service processing boards, the mode of wherein said broadcasting, specifically can be that sync message is sent to earlier in the lanswitch module (forwarding module) of this distributed network processing system master control borad, in the Lanswitch module, this sync message is duplicated then, by the Lanswitch module sync message that duplicates is sent to other service processing boards of distributed network processing system again.Certainly, also can directly be broadcast to other service processing boards, also can adopt the mode of unicast between service processing board to send sync message.
In the present embodiment, when the sync message flow is big, can carry out flow restriction, block to prevent the excessive and generation information of sync message flow to sync message.Simultaneously, can decide the bandwidth of transmission frequency, receive frequency and communication channels among boards according to the whole situation of the bandwidth that sends, receives sync message and passage, avoid certain link to have bottleneck or certain link wasting of resources more, present embodiment MAC Address sync message maximum processing capability is limited in per second 50K.
Present embodiment can also comprise step 504, other service processing board of described distributed network processing system is after receiving sync message, if the related service configuration information in the sync message and the service configuration information of described service processing board are complementary, then, learn or upgrade the MAC Address list item information of this MAC Address correspondence according to described sync message.
Concrete, need also can judge whether study in the following order successively or upgrade MAC Address list item information, also can carry out wherein partly judging:
At first, judge whether the VSI information of sync message and the corresponding information of vlan information and this service processing board mate, when not comprising vlan information in the sync message, only judge whether the VSI information of sync message and the corresponding information of this service processing board mate, if coupling, be the business that this VSI is arranged in this service processing board, then carry out next step judgement based on this VLAN; If match and then do not abandon sync message, do not learn or upgrade.
Then, whether the port of judging described service processing board belongs to the transmit port that relates in the described service configuration information, promptly check in this service processing board with sync message in vlan information and the corresponding FDB2 table of VSI information, whether the synchronization bit position is " 1 ", if the synchronization bit position is " 1 ", then enter next step judgement; If do not match or the synchronization bit position for " 0 ", then abandon sync message, do not learn or upgrade; If do not comprise in the sync message when not comprising vlan information in vlan information or the FDB2 table, only check that VSI information gets final product.
Then, judge whether the service processing board in the sync message number is this service processing board, if not,, learn or upgrade described MAC Address list item information then according to sync message; If, then abandon sync message, do not learn or upgrade.
MAC Address list item information according to sync message study or renewal oneself, concrete is meant, according to whether corresponding MAC Address list item information is arranged in this service processing board of MAC Address list item information searching in the sync message, if have and then upgrade this MAC Address list item information, if then do not learn this MAC Address list item information.
Can judge whether earlier and need learn or upgrade by this method MAC Address list item information, reduced unnecessary MAC Address list item information synchronously, saved taking up room of MAC Address list item information in the service processing board.
Among the above embodiment, study or upgrade MAC Address list item information after can be according to the setting in the service configuration information or system default a period of time ageing time as this list item, for the ageing time that guarantees the corresponding MAC Address list item information in each service processing board is synchronous, what the ageing time of the MAC Address list item information of each service processing board was used is same clock reference, as the 2K clock of system.
It below is the application of the MAC Address list item information synchronization method of embodiment of the invention distributed network processing system.
As shown in Figure 8, carry out the transmission of service message by distributed network processing system between user C and the D of operator, according to service configuration information, learn according to abovementioned steps S1～S4 judgement, the UNI of this system side is that transmit port and the transmit port that sends service message of reception service message of user side is on same service processing board 10, and the MPLS tunnel port of the MPLS tunnel port of the Ingress of NNI side to be carrier side send service message and the Egress that receives service message is not on same service processing board, respectively on service processing board 20 and service processing board 21.Suppose that service message transfers to operator from user side, then the source MAC of service message is C, and target MAC (Media Access Control) address is D, also comprises vlan information in this service message.
Service processing board 10 receives the service message of user side from port PO RT101, in this service processing board, search and destination address D corresponding M AC address list item information, according to MAC Address D corresponding output port in this list item information is the port PO RT201 of service processing board 20, and then service processing board 10 is forwarded to service processing board 20 with service message.
Service processing board 20 is according to the source MAC C of service message, searching MAC Address in this service processing board is the MAC Address list item information of C, search less than, then learn this MAC Address list item information, set up the corresponding relation of the port PO RT101 of MAC Address C and service processing board 10, the ageing time of this list item can be given tacit consent to by system.
The FDB2 table of each service processing board in the distributed network processing system is set according to this service configuration information, in the service processing board 10,20,21 that service configuration information is related to, the synchronization bit position of the FDB2 table corresponding with this professional vlan information and VSI information all is set to " 1 ", in other service processing board that does not relate to 11, the synchronization bit position of the FDB2 table corresponding with this professional vlan information and VSI information all is set to " 0 ".
Service processing board 20 is checked in this service processing board, vlan information and the identical FDB2 table of the VSI information in this service message corresponding service configuration information with service message, synchronization bit position in the table is " 1 ", then according to the MAC Address list item information structuring sync message of learning, VSI numbering, VLAN, MAC Address C, service processing board numbers 10, port numbers PORT101 and CRC check etc. have been comprised in the sync message, and to set this sync message be high priority, then this sync message is broadcast to other service processing board.
Service processing board 10, judge according to this sync message, the VSI information of sync message and vlan information all are complementary with the corresponding information of this service processing board, and the synchronization bit position of the FDB2 table identical with VSI information with the vlan information of sync message is " 1 " in this service processing board, further judge the service processing board numbers 10 in this sync message, demonstration is from this service processing board, so this sync message is abandoned.
Service processing board 21, judge according to this sync message, the VSI information of sync message and vlan information all are complementary with the corresponding information of this service processing board, and the synchronization bit position of the FDB2 table identical with VSI information with the vlan information of sync message is " 1 " in this service processing board, further judge the service processing board numbers 10 in this sync message, do not belong to this service processing board, search then whether MAC Address is arranged in this service processing board is the corresponding MAC Address list item information of C, search less than, then according to the study of this sync message or upgrade this MAC Address list item information, promptly learn, set up corresponding M AC address list item information according to the MAC Address C in this sync message and corresponding service disposable plates numbers 10 and port numbers PORT101.
Service processing board 11, judge according to this sync message, the VSI information of sync message and vlan information all do not match with the corresponding information of this service processing board, and the synchronization bit position of showing with the identical FDB2 with VSI information of vlan information of sync message in this service processing board is " 0 ", so this sync message is abandoned.
One of ordinary skill in the art will appreciate that all or part of step that realizes in the foregoing description method is to instruct relevant hardware to finish by program, described program can be stored in the computer read/write memory medium, this program may further comprise the steps when carrying out:
In the service message transmission course of same business, receive the media access control MAC address of the service processing board of described service message according to described service message, learn or upgrade the MAC Address list item information of described MAC Address correspondence, described MAC Address list item information is the corresponding relation of described MAC Address and described service processing board port;
Same User Network Interface side or consolidated network network interface side at described distributed network processing system, if the transmit port that receives the transmit port of service message and send service message is not on same service processing board, then with described MAC Address list item information synchronization other service processing board to described distributed network processing system.
Described storage medium, as: ROM/RAM, magnetic disc, CD etc.
With reference to Fig. 9, be the structured flowchart of the MAC Address list item information synchronization device of a kind of distributed network processing system of the embodiment of the invention.
This device comprises update module 700, first judge module 701 and synchronization module 702, wherein, update module 700 is used for the service message transmission course in same business, MAC Address according to described service message, learn or upgrade the MAC Address list item information of described MAC Address correspondence, described MAC Address list item information is the corresponding relation of described MAC Address and described service processing board port; First judge module 701 is used to judge same User Network Interface side or consolidated network network interface side at described distributed network processing system, and whether the transmit port that receives service message and the transmit port that sends service message be on same service processing board; Synchronization module 702, the transmit port that is used for judged result at described first judge module 701 and is receiving service message is with the transmit port that sends service message not on same service processing board the time, with described MAC Address list item information synchronization other service processing board to described distributed network processing system.
With reference to Figure 10, another embodiment of the present invention can also comprise second judge module 703, be used for before described study or upgrading the MAC Address list item information of described MAC Address correspondence, judge whether described service message comes from Business Processing passage between the plate of described distributed network processing system, if then described service message is sent to described update module 700.
Wherein, structural unit 712 is used to construct sync message, and described sync message comprises described MAC Address list item information and service configuration information; Radio unit 722 is used for broadcasting described sync message other service processing board to described distributed network processing system by communication channels among boards.This radio unit 722 can be connected with the Lanswitch module of this distributed network processing system master control borad, be used for sync message is sent to the Lanswitch module, by the Lanswitch module described sync message is duplicated then, and the sync message that duplicates is forwarded to other service processing board.
Wherein, grade setting unit 732 priority that is used to set the sync message that comprises the MAC Address list item information of learning is higher than the priority of the sync message of the MAC Address list item information that comprises renewal; Transmitting element 742 is used for when a plurality of sync messages need be broadcasted, and is sent to described radio unit 722 according to the priority of the described sync message sync message that priority is high.
After receiving certain service message, at first whether coming between the plate of described distributed network processing system the Business Processing passage by 703 pairs of these service messages of second judge module judges, if, then this service message is sent to update module 700, by the MAC Address of update module 700, learn or upgrade the MAC Address list item information of described MAC Address correspondence according to this service message.First judge module 701 is judged same UNI side or the same NNI side at distributed network processing system then, and whether the transmit port that receives service message and the transmit port that sends service message be on same service processing board; If do not exist, then by synchronization module 702 with other service processing board of the MAC Address list item information synchronization in the update module 700 to described distributed network processing system.Carry out in the synchronizing process of this MAC Address list item information at synchronization module 702, earlier by the described MAC Address list item information structuring sync message of structural unit 712 foundations, and set by the rank of 732 pairs of these sync messages in grade setting unit, by transmitting element 742 sync message is sent to radio unit 722 again, by communication channels among boards this sync message is sent in other service processing board of this distributed network processing system by radio unit 722.
The implementation method of each module in the present embodiment please refer to preceding method embodiment, repeats no more herein.
With reference to Figure 11, be the structured flowchart of the MAC Address list item information synchronization device of the another kind of distributed network processing system of the embodiment of the invention.
This device comprises receiver module 801 and sync response module 802.
Wherein, receiver module 801 is used to receive the sync message of other service processing board broadcasting of distributed network processing system;
The embodiment of the invention can also comprise the 3rd judge module 803, be used for before described sync response module 802 study or upgrading mac address table information, judge that the service configuration information in the described sync message and the service configuration information of described service processing board are complementary, reinform described sync response module 802 study or upgrade described MAC Address list item information.
After receiver module 801 receives the sync message of other service processing boards broadcasting of this distributed network processing system, be complementary by service configuration information in the described sync message of the 3rd judge module 803 judgements and the service configuration information of this service processing board, and then by sync response module 802 according to this sync message, this MAC Address list item information is learnt or is upgraded existing this MAC Address list item information in this service processing board.
The implementation method of each module in the present embodiment please refer to preceding method embodiment, repeats no more herein.
With reference to Figure 12, be the structured flowchart of a kind of distributed network processing system of the embodiment of the invention.
Comprise a plurality of service processing boards 901 in this distributed network processing system, each service processing board can directly link to each other, and also can be connected by power board, and power board is used for carrying out the forwarding of service message between each service processing board.
As shown in figure 13, this distributed network processing system also comprises the master control borad 902 that is connected with each service processing board 901 by management bus in another embodiment of the present invention, be provided with service management module and Lanswitch module in the master control borad 902, wherein service management module is used to receive the order of planning such as user or equipment, be converted into service configuration information, and service configuration information is issued in each related service disposable plates by management bus.The Lanswitch module is used for described service processing board is needed synchronous MAC Address list item information, is broadcast to other service processing board of this distributed network processing system by communication channels among boards.
Require service message to concentrate from interface board in the prior art to each service processing board distribution, realize the centralized management of each service processing board MAC address entries information in the distributed network processing system, structure for this distributed network processing system has big limitation, itself can't be generalized to all distributed bridges.And this distributed network processing system can be embodied in distributed bridge in the embodiment of the invention, also can also comprise a plurality of interface boards and a plurality of subcards etc.
Each module please refer to said method embodiment in the present embodiment, repeats no more herein.
Above-described embodiment of the present invention does not constitute the qualification to protection range of the present invention.Any modification of being done within the spirit and principles in the present invention, be equal to and replace and improvement etc., all should be included within the claim protection range of the present invention.
Claims (11)
1. the MAC Address list item information synchronization method of a distributed network processing system is characterized in that, comprising:
In the service message transmission course of same business, receive the media access control MAC address of the service processing board of described service message according to described service message, learn or upgrade the MAC Address list item information of described MAC Address correspondence, described MAC Address list item information is the corresponding relation of described MAC Address and service processing board port;
Same User Network Interface side or consolidated network network interface side at described distributed network processing system, if the transmit port that receives the transmit port of service message and send service message is not on same service processing board, then with described MAC Address list item information synchronization other service processing board to described distributed network processing system.
2. method according to claim 1 is characterized in that, described method also comprises:
Before described study or upgrading the MAC Address list item information of described MAC Address correspondence, judge whether described service message comes from Business Processing passage between the plate of described distributed network processing system, if then the MAC Address list item information of described MAC Address correspondence is learnt or upgraded to the described service message of foundation.
3. method according to claim 1 and 2 is characterized in that, described described MAC Address list item information synchronization other service processing board to described distributed network processing system is comprised:
The structure sync message, described sync message comprises described MAC Address list item information and related service configuration information;
Broadcast described sync message other service processing board by communication channels among boards to described distributed network processing system.
4. method according to claim 3 is characterized in that, described method also comprises:
The priority that setting comprises the sync message of the MAC Address list item information of learning is higher than the priority of the sync message of the MAC Address list item information that comprises renewal;
When a plurality of sync messages need be broadcasted, preferentially broadcast the high sync message of priority according to the priority of described sync message.
5. method according to claim 3 is characterized in that, described method further comprises:
Other service processing board of described distributed network processing system is after receiving described sync message, if the related service configuration information in the described sync message and the service configuration information of described service processing board are complementary, then, learn or upgrade the MAC Address list item information of described MAC Address correspondence according to described sync message.
6. the MAC Address list item information synchronization device of a distributed network processing system is characterized in that, comprising:
Update module, be used for service message transmission course in same business, according to the MAC Address of described service message, learn or upgrade the MAC Address list item information of described MAC Address correspondence, described MAC Address list item information is the corresponding relation of described MAC Address and described service processing board port;
First judge module is used to judge same User Network Interface side or consolidated network network interface side at described distributed network processing system, and whether the transmit port that receives service message and the transmit port that sends service message be on same service processing board;
Synchronization module, the transmit port that is used for judged result at described first judge module and is described reception service message is with the transmit port that sends service message not on same service processing board the time, with described MAC Address list item information synchronization other service processing board to described distributed network processing system.
7. device according to claim 6 is characterized in that, described device also comprises:
Second judge module, be used for before described study or upgrading the MAC Address list item information of described MAC Address correspondence, judge whether described service message comes from Business Processing passage between the plate of described distributed network processing system, if then described service message is sent to described update module.
8. according to claim 6 or 7 described devices, it is characterized in that described synchronization module comprises:
Structural unit is used to construct sync message, and described sync message comprises described MAC Address list item information and related service configuration information;
Radio unit is used for broadcasting described sync message other service processing board to described distributed network processing system by communication channels among boards.
9. device according to claim 8 is characterized in that, described synchronization module also comprises:
The grade setting unit, the priority that is used to set the sync message that comprises the MAC Address list item information of learning is higher than the priority of the sync message of the MAC Address list item information that comprises renewal;
Transmitting element is used for when a plurality of sync messages need be broadcasted, and sync message priority is high according to the priority of described sync message is sent to described radio unit.
10. a distributed network processing system is characterized in that, comprises a plurality of service processing boards,
Described service processing board, be used for service message transmission course in same business, MAC Address according to described service message, learn or upgrade the MAC Address list item information of described MAC Address correspondence, described MAC Address list item information is the corresponding relation of described MAC Address and described service processing board port; Same User Network Interface side or consolidated network network interface side at described distributed network processing system, if the transmit port that receives the transmit port of service message and send service message is not on same service processing board, then with described MAC Address list item information synchronization other service processing board to described distributed network processing system.
11. system according to claim 10 is characterized in that, described system also comprises the master control borad that is connected with described service processing board, and described master control borad comprises forwarding module;
Described forwarding module is used for needing synchronous MAC Address list item information to be broadcast to other service processing board of described distributed network processing system by communication channels among boards described service processing board.
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-
2009
- 2009-02-27 CN CN200910118638.4A patent/CN101820435B/en not_active Expired - Fee Related
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