CN101510837B - Ethernet bridge equipment, method and equipment for migrating polymerization mouth address - Google Patents
Ethernet bridge equipment, method and equipment for migrating polymerization mouth address Download PDFInfo
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- CN101510837B CN101510837B CN200910081084A CN200910081084A CN101510837B CN 101510837 B CN101510837 B CN 101510837B CN 200910081084 A CN200910081084 A CN 200910081084A CN 200910081084 A CN200910081084 A CN 200910081084A CN 101510837 B CN101510837 B CN 101510837B
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000006116 polymerization reaction Methods 0.000 title claims description 23
- 230000004913 activation Effects 0.000 claims abstract description 65
- 230000037430 deletion Effects 0.000 claims abstract description 45
- 238000012217 deletion Methods 0.000 claims abstract description 37
- 230000002776 aggregation Effects 0.000 claims description 96
- 238000004220 aggregation Methods 0.000 claims description 96
- 238000012545 processing Methods 0.000 claims description 11
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 230000002779 inactivation Effects 0.000 abstract 3
- 238000013508 migration Methods 0.000 description 6
- 230000005012 migration Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000027455 binding Effects 0.000 description 1
- 238000009739 binding Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
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Abstract
The invention relates to an Ethernet bridge device, and a method and a device for migrating the address of an aggregated port. The method comprises the following steps: a message used for notifying that a physical port under the aggregated port changes into an inactivation state from an activation state is received; a media access control address corresponding to the physical port in a software media accessing control address list is deleted; and the media access control address is added into the software media accessing control address list after deletion and corresponds to the physical port under the aggregated port in the activation state. The proposal solves the problem that the physical port under the aggregated port is required to relearn an MAC address under the physical port when changing from the activation state to the inactivation state, thus saving bandwidth and guaranteeing the safety of physical port data changing from waiting to be transmitted to the inactivation mode.
Description
Technical field
The present invention relates to communication technical field, relate in particular to the method and the device of a kind of Ethernet bridge equipment, migrating polymerization mouth address.
Background technology
On Ethernet bridge equipment, for guaranteeing link redundancy, increasing bandwidth etc., a plurality of two layers of physical port are bundled, form a simple logical links, be referred to as link aggregation.These two layers of physical ports bundle the logic interface of composition, are referred to as aggregation port.The effect of aggregation port is to carry out link backup.That is to say; Because the logic interface that aggregation port is made up of physical port; When certain links of physical ports of same on the aggregation port breaks off; Be that physical port is when becoming unactivated state by state of activation, with originally being re-assigned on other physical ports of aggregation port in the data traffic on this physical port.Ethernet bridge device forwards data rely on medium access control (Media Access Control; MAC) carry out the address; And a MAC Address can only be followed a physical port correspondence; Therefore, it is unaffected to guarantee that data forwarding this links of physical ports of same under aggregation port breaks off when promptly becoming unactivated state, and other members that need the MAC Address of learning on this physical port is distributed to aggregation port i.e. other physical ports in this aggregation port.
In the prior art; After a certain links of physical ports of same under the aggregation port breaks off; The MAC Address that this physical port is corresponding is deleted; Switch will mail to the forwarded in form of the message of these MAC Addresss with broadcasting, send back message using up to these MAC Address corresponding equipment and give this switch, and this switch just can relearn these MAC Addresss.
Like this, not only waste bandwidth nor safety.Therefore, be badly in need of a kind of technology that solves the MAC Address problem under this physical port that to relearn when physical port becomes unactivated state by state of activation under aggregation port.
Summary of the invention
The objective of the invention is to propose the method and the device of a kind of Ethernet bridge equipment, migrating polymerization mouth address, must relearn the MAC Address problem under this physical port when physical port becomes unactivated state by state of activation under aggregation port to solve.
The invention provides a kind of method of migrating polymerization mouth address, comprising:
Reception is used to announce physical port under the aggregation port is changed into unactivated state by state of activation message;
The corresponding Media Access Control address of physical port described in the deletion software medium access control address table;
The Media Access Control address of said correspondence is added in the said software medium access control address table through deletion, and with said aggregation port under to be in the physical port of state of activation corresponding.
The present invention also provides a kind of device of migrating polymerization mouth address, comprising:
Receiving element is used to receive the physical port that is used to announce under the aggregation port is changed into unactivated state by state of activation message;
Delete cells is used to delete the corresponding Media Access Control address of physical port described in the software medium access control address table;
Adding device, the Media Access Control address that is used for said correspondence adds the said software medium access control address table through deletion to, and with said aggregation port under to be in the physical port of state of activation corresponding.
The present invention also provides a kind of Ethernet bridge equipment, comprising:
Announcement module is used for sending the physical port that is used under the said Ethernet bridge equipment announcement aggregation port is changed into unactivated state by state of activation message;
The aggregation processing module; Be used to receive said message; The corresponding Media Access Control address of physical port described in the deletion software medium access control address table; And the Media Access Control address of said correspondence added in the said software medium access control address table through deletion, and with said aggregation port under to be in the physical port of state of activation corresponding.
Technique scheme is through being announced by the situation that state of activation becomes unactivated state physical port under the aggregation port; And according to the corresponding MAC Address of this physical port in the announcement deletion software mac address table; These MAC Addresss of deletion are added in the software mac address table and are under the physical port of state of activation under the aggregation port; Thereby realized the migration of MAC Address from the unactivated state physical port to the state of activation physical port under the aggregation port on the software; Make that the data that send to these MAC Addresss need not to transmit again through the form of broadcasting; Solved the MAC Address problem that must relearn when physical port becomes unactivated state by state of activation under aggregation port under this physical port, practiced thrift bandwidth, guaranteed to be sent to and changed unactivated state physical port safety of data into.
Through accompanying drawing and embodiment, technical scheme of the present invention is done further detailed description below.
Description of drawings
Fig. 1 is the flow chart of the method embodiment one of migrating polymerization mouth address of the present invention;
Fig. 2 is the flow chart of the method embodiment two of migrating polymerization mouth address of the present invention;
Fig. 3 is the structural representation of the device embodiment of migrating polymerization mouth address of the present invention;
Fig. 4 is the structural representation of Ethernet bridge apparatus embodiments of the present invention.
Embodiment
Fig. 1 is the flow chart of the method embodiment one of migrating polymerization mouth address of the present invention.When supposing to have some physical ports to bind aggregation port, Ethernet bridge equipment is preserved the corresponding relation of these physical ports and aggregation port, and this corresponding relation is duplicated, and obtains the software relation table of these physical ports and aggregation port.And, when learning MAC Address on these physical ports under aggregation port, the corresponding relation of the MAC Address of learning and these physical ports is saved in the hardware mac address table.Corresponding all MAC Addresss of on physical port, learning can all have a software mac address table that duplicates from the hardware mac address table; Promptly duplicate the software mac address table that this hardware mac address table obtains, so that search the corresponding MAC Address of physical port that link breaks off more quickly.A certain physical port under aggregation port changes unactivated state into by state of activation such as link breaks off, and the MAC Address in the hardware mac address table under this physical port is deleted, and when sending notice message, the process of migrating polymerization mouth address comprises:
The corresponding MAC Address of physical port described in step 12, the deletion software mac address table.MAC Address is the sign that is used for discerning each node of LAN.The MAC Address of network interface card be physical address usually by the burned network interface card of network interface card manufacturer, be that the transmission sign of really relying during data is sent data and the host address that receives data.The MAC Address whole world is unique, and in other words, MAC Address has global uniqueness as the ID card No. on the identity card.
In above-mentioned steps 12, the step 13, the software mac address table obtained through duplicating the hardware mac address table said physical port is changed into unactivated state by state of activation before.The hardware mac address table is obtained by the Ethernet bridge learning equipment.Why Ethernet bridge equipment can directly send packet to destination node; Rather than with broadcast mode all nodes are sent packet as hub; Be because Ethernet bridge equipment can be discerned the MAC Address of Network Card that is connected in the node on the network, and be put into the hardware mac address table to them.This hardware mac address table is deposited in the buffer memory of Ethernet bridge equipment.Like this, when needs when destination address sends data, Ethernet bridge equipment can be searched the node location of the target MAC (Media Access Control) address of these data from the hardware mac address table, directly the node to this position sends then.Ethernet bridge equipment strengthens this address table function through the mode of address learning.Mode of learning comprises: when receiving a packet from certain switching port, the source MAC in the Ethernet bridge equipment elder generation read data packet packet header is known the physical port that the machine of source MAC connects; Remove the target MAC (Media Access Control) address in the read data packet packet header again, and in the hardware mac address table, search corresponding physical port; If have and this target MAC (Media Access Control) address corresponding physical port in the table, directly copy to packet on this physical port; If can not find corresponding physical port in the table, then be broadcast to packet on all physical ports (comprising switching port and interconnect port).When destination node was responded source node, Ethernet bridge learning equipment and this target MAC (Media Access Control) address corresponding physical port just no longer need be broadcasted to all physical ports when transmitting data next time.Ethernet bridge equipment constantly circulates and carries out this process, can learn the mac address information of the whole network, thereby sets up and safeguard the hardware mac address table.In the hardware mac address table, a MAC Address can only be followed a physical port correspondence.
For the aggregation port that a plurality of physical port bindings obtain, its address learning mode comprises two kinds for two kinds.The chip that the method for embodiment of the invention migrating polymerization mouth address is directed against is the chip that the address learning of the member port of aggregation port is learnt with the physical port mode separately.Suppose that aggregation port AP1 comprises physics mouth port1 and two members of physics mouth port2 in this chip, on physics mouth port1, learnt MAC=0x0000.0000.0001, the address of VLAN=1; On physics mouth port2, learnt MAC=0x0000.0000.0002, the address of VLAN=1, then this two addresses existence form in address table is: { MAC=0x0000.0000.0001; VLAN=1, PORT=port1}, { MAC=0x0000.0000.0002; VLAN=1, PORT=port2}.
In the present embodiment; Break off through the announcement links of physical ports of same; And search, delete in the software mac address table the corresponding MAC Address of this physical port according to announcement; Then other corresponding relations that are in the state of activation physical port under the aggregation port under the MAC Address of deleting and this physical port are added in the software mac address table through deletion, realized the migration of MAC Address from the unactivated state physical port to the state of activation physical port under the aggregation port on the software, the data of having avoided mailing to the corresponding MAC Address of this unactivated state physical port are transmitted with the mode of broadcasting by switch again; Guarantee safety of data, practiced thrift the bandwidth of switch simultaneously.
Fig. 2 is the flow chart of the method embodiment two of migrating polymerization mouth address of the present invention.This method comprises:
The corresponding relation of step 25, the MAC Address that adds deletion in the step 23 and the member port that certain is in state of activation is in the software mac address table; This certain be in state of activation member port can be any physical port that is in state of activation under the same aggregation port; Also can be through searching the physical port that the software relation table obtains to be under the said aggregation port state of activation; According to certain algorithm as from the physical port that is in state of activation that obtains, selecting according to the order of sequence or at random a physical port, promptly this certain be in the member port of state of activation; Also can be the minimum physical port of MAC Address corresponding in the physical port that is in state of activation under the same aggregation port, average as far as possible to guarantee each physical port load, to improve the treatment effeciency of physical port;
Another embodiment of the method for migrating polymerization mouth address of the present invention can further comprise: with being synchronized to the hardware mac address table through the said software mac address table that adds, upgrade the hardware mac address table, realize the hardware migration of aggregation port address.
Fig. 3 is the structural representation of the device embodiment of migrating polymerization mouth address of the present invention.This device comprises: receiving element 31, delete cells 32 and adding device 33.When links of physical ports of same broke off and sends notice message, receiving element 31 received the message of the links of physical ports of same disconnection that is used to announce under the aggregation port.The message that delete cells 32 receives according to receiving element 31 is deleted the corresponding MAC Address of physical port described in the software mac address table; Adding device 33 adds the MAC Address of said delete cells 32 deletions in the software mac address table through delete cells 32 deletions to, and with said aggregation port under to be in the physical port of state of activation corresponding, the migration of MAC Address under the completion aggregation port.
Above-mentioned adding device 33 can further comprise: chooser unit and interpolation subelement.The chooser unit finds the minimum physical port of MAC Address corresponding in the physical port that is in state of activation under the said aggregation port in the said software mac address table through deletion; The interpolation subelement adds the MAC Address of said correspondence through under the minimum physical port of MAC Address corresponding described in the said software mac address table of deletion to, sees said method embodiment two for details.
Above-mentioned adding device 33 can further comprise: search subelement, chooser unit and add subelement.Search subelement and search the software relation table that is used for store aggregated mouth and physical port corresponding relation, obtain to be under the said aggregation port physical port of state of activation; The chooser unit is under the said aggregation port that obtains according to certain algorithm the physical port of state of activation selects a physical port; The interpolation subelement adds the MAC Address of said correspondence in the said software mac address table through deletion to, and corresponding with the physical port of selecting, and sees said method embodiment two for details.
Fig. 4 is the structural representation of Ethernet bridge apparatus embodiments of the present invention.This equipment comprises announcement module 41 and aggregation processing module 42.When a certain physical port under the aggregation port in the Ethernet bridge equipment was changed into unactivated state such as link and broken off by state of activation, announcement module 41 was sent the message of the links of physical ports of same disconnection that is used to announce aggregation port under; Aggregation processing module 42 receives the message that announcement module 41 is sent; The corresponding MAC Address of physical port described in the deletion software mac address table; And the MAC Address of said correspondence added in the said software mac address table through deletion; And with said aggregation port under to be in other physical ports of state of activation corresponding, accomplish the migration of MAC Address under the aggregation port.Particularly, when a certain physical port under the aggregation port was changed into unactivated state such as link and broken off by state of activation, announcement module 41 was sent the break link announcement.After aggregation processing module 42 receives this announcement, from the software mac address table, find out the MAC Address under this physical port earlier, promptly corresponding MAC Address with this physical port, and delete this MAC Address; Then, from the software relation table, get access to the corresponding aggregation port of physical port that becomes unactivated state, and find other member ports that are in state of activation under this aggregation port.Last according to the principle of mean allocation or select certain to be in other member ports of state of activation at random; The MAC Address of deletion is copied on other member ports that are in state of activation under the same aggregation port; The MAC Address that is about to deletion copies in the software mac address table, and with same aggregation port under to be in other member ports of state of activation corresponding.Aggregation processing module 42 can be the device of the migrating polymerization mouth address that provides among the said apparatus embodiment.
Above-mentioned aggregation processing module 42 can specifically be used for finding the minimum physical port of MAC Address corresponding in the physical port that is in state of activation under the said aggregation port at the said software mac address table through deletion; The MAC Address of said correspondence is added to through under the minimum physical port of MAC Address corresponding described in the said software mac address table of deletion.
Perhaps, aggregation processing module 42 can specifically be used to search the software relation table that is used for store aggregated mouth and physical port corresponding relation, obtains to be under the said aggregation port physical port of state of activation; Be under the said aggregation port that obtains according to certain algorithm the physical port of state of activation and select a physical port; The MAC Address of said correspondence is added in the said software mac address table through deletion, and corresponding with the physical port of selecting.
Another embodiment of Ethernet bridge equipment of the present invention can further comprise synchronization module, and this synchronization module is used for being synchronized to the hardware mac address table through the said software mac address table that adds.The corresponding MAC Address of physical port that aggregation processing module 42 can find link to break off from the software mac address table apace can also find the corresponding aggregation port of physical port of link disconnection fast from the software register that aggregation port and physical port corresponding relation are provided.
In said method, device and the apparatus embodiments; Through physical port under the aggregation port is announced by the situation that state of activation becomes unactivated state; And according to the corresponding MAC Address of this physical port in the announcement deletion software mac address table; These MAC Addresss of deletion are added to through being under the physical port of state of activation under the aggregation port in the software mac address table of deletion; Be about to the corresponding MAC Address of physical port that link breaks off under the aggregation port and move to other physical ports that are in state of activation under this aggregation port; Thereby make that the data that send to these MAC Addresss need not to transmit again through the form of broadcasting; Solved the MAC Address problem that must relearn when physical port becomes unactivated state by state of activation under aggregation port under this physical port, practiced thrift bandwidth, guaranteed to be sent to and changed unactivated state physical port safety of data into.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can be accomplished through the relevant hardware of program command; Aforesaid program can be stored in the computer read/write memory medium; This program the step that comprises said method embodiment when carrying out; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CD.
What should explain at last is: above embodiment is only in order to explaining technical scheme of the present invention, but not to its restriction; Although with reference to previous embodiment the present invention has been carried out detailed explanation, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these are revised or replacement, do not make the spirit and the scope of the essence disengaging various embodiments of the present invention technical scheme of relevant art scheme.
Claims (10)
1. the method for a migrating polymerization mouth address is characterized in that, comprising:
Reception is used to announce physical port under the aggregation port is changed into unactivated state by state of activation message;
The corresponding Media Access Control address of physical port described in the deletion software medium access control address table;
The Media Access Control address of said correspondence is added in the said software medium access control address table through deletion, and with said aggregation port under to be in the physical port of state of activation corresponding.
2. the method for migrating polymerization mouth address according to claim 1; It is characterized in that; The Media Access Control address of said correspondence is added in the said software medium access control address table through deletion, and with said aggregation port under be in corresponding comprising of physical port of state of activation:
In said software medium access control address table, find the minimum physical port of Media Access Control address corresponding in the physical port that is in state of activation under the said aggregation port through deletion;
The Media Access Control address of said correspondence is added to through under the minimum physical port of Media Access Control address corresponding described in the said software medium access control address table of deletion.
3. the method for migrating polymerization mouth address according to claim 1; It is characterized in that; The Media Access Control address of said correspondence is added in the said software medium access control address table through deletion, and with said aggregation port under be in corresponding comprising of physical port of state of activation:
Search the software relation table that is used for store aggregated mouth and physical port corresponding relation, obtain to be under the said aggregation port physical port of state of activation;
According to according to the order of sequence or random algorithm under the said aggregation port that obtains, be in the physical port of state of activation and select a physical port;
The Media Access Control address of said correspondence is added in the said software medium access control address table through deletion, and corresponding with the physical port of selecting.
4. according to the method for each described migrating polymerization mouth address in the claim 1 to 3, it is characterized in that, also comprise:
With being synchronized to the hardware medium access control address table through the said software medium access control address table that adds.
5. the device of a migrating polymerization mouth address is characterized in that, comprising:
Receiving element is used to receive the physical port that is used to announce under the aggregation port is changed into unactivated state by state of activation message;
Delete cells is used to delete the corresponding Media Access Control address of physical port described in the software medium access control address table;
Adding device, the Media Access Control address that is used for said correspondence adds the said software medium access control address table through deletion to, and with said aggregation port under to be in the physical port of state of activation corresponding.
6. the device of migrating polymerization mouth address according to claim 5 is characterized in that, said adding device comprises:
The chooser unit is used for finding the minimum physical port of Media Access Control address corresponding in the physical port that is in state of activation under the said aggregation port at the said software medium access control address table through deletion;
Add subelement, be used for the Media Access Control address of said correspondence is added to through under the minimum physical port of Media Access Control address corresponding described in the said software medium access control address table of deletion.
7. the device of migrating polymerization mouth address according to claim 5 is characterized in that, said adding device comprises:
Search subelement, be used to search the software relation table that is used for store aggregated mouth and physical port corresponding relation, obtain to be under the said aggregation port physical port of state of activation;
The chooser unit, be used for according to according to the order of sequence or the random algorithm physical port that is in state of activation under the said aggregation port that obtains select a physical port;
Add subelement, be used for adding the Media Access Control address of said correspondence to said software medium access control address table through deletion, and corresponding with the physical port of selecting.
8. an Ethernet bridge equipment is characterized in that, comprising:
Announcement module is used for sending the physical port that is used under the said Ethernet bridge equipment announcement aggregation port is changed into unactivated state by state of activation message;
The aggregation processing module; Be used to receive said message; The corresponding Media Access Control address of physical port described in the deletion software medium access control address table; And the Media Access Control address of said correspondence added in the said software medium access control address table through deletion, and with said aggregation port under to be in the physical port of state of activation corresponding.
9. Ethernet bridge equipment according to claim 8; It is characterized in that; Said aggregation processing module specifically is used for finding the minimum physical port of Media Access Control address corresponding in the physical port that is in state of activation under the said aggregation port at the said software medium access control address table through deletion; The Media Access Control address of said correspondence is added to through under the minimum physical port of Media Access Control address corresponding described in the said software medium access control address table of deletion; Perhaps
Said aggregation processing module specifically is used to search the software relation table that is used for store aggregated mouth and physical port corresponding relation, obtains to be under the said aggregation port physical port of state of activation; According to according to the order of sequence or random algorithm under the said aggregation port that obtains, be in the physical port of state of activation and select a physical port; The Media Access Control address of said correspondence is added in the said software medium access control address table through deletion, and corresponding with the physical port of selecting.
10. according to Claim 8 or 9 described Ethernet bridge equipment, it is characterized in that, also comprise:
Synchronization module is used for being synchronized to the hardware medium access control address table through the said software medium access control address table that adds.
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| CN101764753A (en) * | 2009-12-28 | 2010-06-30 | 中兴通讯股份有限公司 | Method and device for preventing switch ports from MAC address transfer |
| CN102377627A (en) * | 2010-08-05 | 2012-03-14 | 中兴通讯股份有限公司 | Topological convergence method and service provider edge device (PE) |
| CN102143031B (en) * | 2011-04-02 | 2016-03-02 | 中兴通讯股份有限公司 | A kind of network access seamless switching method and terminal |
| CN102137025B (en) * | 2011-04-20 | 2014-06-04 | 福建星网锐捷网络有限公司 | Method and device for forwarding messages and switch chip |
| TWI505675B (en) * | 2013-03-06 | 2015-10-21 | Ic Plus Corp | Network switch and data updating method |
| CN108199885A (en) * | 2017-12-30 | 2018-06-22 | 创新科软件技术（深圳）有限公司 | IP bleach-out process, the apparatus and system of server node network interface |
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| CN1725761A (en) * | 2005-06-10 | 2006-01-25 | 杭州华为三康技术有限公司 | Method of implementing link aggregation of network equipment |
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| CN101340456A (en) * | 2008-08-15 | 2009-01-07 | 杭州华三通信技术有限公司 | A converging method of distributed aggregated link failure and a stacking apparatus |
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| CN1725761A (en) * | 2005-06-10 | 2006-01-25 | 杭州华为三康技术有限公司 | Method of implementing link aggregation of network equipment |
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