CN103078814A - Address resolution protocol (ARP) table entry synchronization method and business processing method and equipment - Google Patents
Address resolution protocol (ARP) table entry synchronization method and business processing method and equipment Download PDFInfo
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- CN103078814A CN103078814A CN2013100475877A CN201310047587A CN103078814A CN 103078814 A CN103078814 A CN 103078814A CN 2013100475877 A CN2013100475877 A CN 2013100475877A CN 201310047587 A CN201310047587 A CN 201310047587A CN 103078814 A CN103078814 A CN 103078814A
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Abstract
The invention discloses an address resolution protocol (ARP) table entry synchronization method and a business processing method and equipment. The ARP table entry synchronization method is applied to distributed equipment comprising a master control board and at least two interface boards. The ARP table entry synchronization method comprises the following steps of: receiving an ARP request message asking for inquiring respective media access control (MAC) addresses of the interface boards by the interface boards; then performing ARP table entry learning according to the ARP request message if a receiving interface of the ARP request message is a non-aggregation interface; and performing ARP table entry synchronization according to the type of the receiving interface of the ARP request message. Chip resources of the interface boards are saved, so that the interface boards are capable of learning more ARP table entries, and the message transmitting and processing capacity of the interface boards is improved.
Description
Technical field
The present invention relates to the communication network technology field, relate in particular to a kind of ARP list item method for synchronous and method for processing business and equipment.
Background technology
ARP(Address Resolution Protocol, address resolution protocol) be to be the agreement of ethernet mac address (or title physical address) with the IP address resolution.When main frame or other network equipment have data will send to another main frame or equipment, must know the other side's network layer address, be IP(Internet Protocol, the agreement that interconnects between the network) address, it is inadequate that but the IP address is only arranged, because the IP datagram literary composition must encapsulate framing and could send by physical network, therefore sending ending equipment also must have the MAC Address of receiving device, so need a secondary IP address to the mapping of MAC Address, ARP is exactly the agreement that realizes this function.
After switching equipment is resolved to target MAC (Media Access Control) address by ARP, can in the ARP of this equipment list item, increase the mapping item of IP address to MAC address, to be used for follow-up message repeating to same purpose IP address.The ARP list item of switching equipment storage is mainly used in three layers of forwarding of message, when message carries out three layers of forwarding, message link layer information need to be replaced with and transmit link layer address corresponding to next-hop ip address.When switching equipment is learnt a new ARP list item, it produces a main frame FIB(Forward Information Base simultaneously, forwarding information base) list item, can determine message from which port of switching equipment sends by this fib table item during message repeating, before message sends, determine to send again the link layer information of message according to the ARP list item.
Under distributed environment, when interface board receives the ARP request message, except setting up at this interface board the ARP list item, also must be to synchronous this list item of other interface board.Traditional ARP list item synchronization scenario needs all ARP list items all are synchronized to the total interface plate, and for a certain interface board, many ARP list items also are not used in forwarding, and a large amount of ARP list items have taken the interface board resources of chip, can't learn so that really be used for the ARP list item of forwarding, thereby cause three layers of retransmission failure of interface board message.
When interface board carries out message repeating, if that receive message is VLAN(Virtual Local Area Network, VLAN) virtual interface, after then inquiring the next hop address of forwarding by fib table, further search the ARP list item, if do not inquire corresponding outgoing interface, and the ARP list item of interface board is full, then abandon this message, cause corresponding message to be forwarded, the disposal ability that interface board E-Packets is limited.
Therefore, need a kind of ARP list item synchronization scenario and Business Processing scheme badly to overcome the above problems.
Summary of the invention
The invention provides a kind of ARP list item method for synchronous and equipment, the problem that is taken in a large number in order to solve the interface board resources of chip improves interface board message repeating ability.
For this reason, the embodiment of the invention adopts following technical scheme:
The embodiment of the invention provides a kind of ARP list item method for synchronous, is applied to include the distributed apparatus of master control borad and at least 2 interface boards, and described method comprises:
After interface board receives the ARP request message of requesting query self medium access control MAC Address, if the receiving interface of described ARP request message is non-polymeric interface, then carry out ARP list item study according to described ARP request message, and it is synchronous to carry out the ARP list item according to the type of the receiving interface of described ARP request message;
It is synchronous that the type of described receiving interface according to described ARP request message is carried out the ARP list item, specifically comprises:
If the type of the receiving interface of described ARP request message is two layer interfaces, then described interface board sends the ARP list item configuration messages that carries the ARP list item that self study arrives to master control borad and other interface board except this interface board, with the recipient that indicates described ARP list item configuration messages according to described ARP list item configuration messages configuration ARP list item; Receive the ARP list item configuration messages of other interface board transmission when described interface board after, if described interface board is according to the virtual LAN VLAN information of the ARP list item that carries in the described ARP list item configuration messages, judging has interface to belong to corresponding VLAN on this interface board, then at the described ARP list item of this interface board configuration;
If the type of the receiving interface of described ARP request message is three layer interfaces, then described interface board sends the ARP list item configuration messages carry the ARP list item that self study arrives to master control borad, disposes described ARP list item to indicate described master control borad.
The embodiment of the invention also provides a kind of distributed apparatus, comprises master control borad and at least 2 interface boards, and described interface board comprises:
Control module, be used for behind the ARP request message that receives requesting query self medium access control MAC Address, when the receiving interface of judging described ARP request message is non-polymeric interface, indication ARP list item processing module is carried out the study of ARP list item according to described ARP request message, and indication ARP list item synchronization module to carry out the ARP list item according to the type of the receiving interface of described ARP request message synchronous;
ARP list item processing module is used for carrying out the study of ARP list item according to described ARP request message;
ARP list item synchronization module, it is synchronous to be used for carrying out the ARP list item according to the type of the receiving interface of described ARP request message;
Wherein, described control module specifically is used for, when the type of the receiving interface of described ARP request message is two layer interfaces, indicate described ARP list item synchronization module to send the ARP list item configuration messages that carries the ARP list item that self study arrives to master control borad and other interface board except this interface board; And, when receiving the ARP list item configuration messages of other interface board transmission, the ARP list item of indicating described ARP list item processing module to carry in the described ARP list item configuration messages of this interface board configuration according to described ARP list item configuration messages; Behind the ARP list item configuration messages that receives other interface board transmission, if the virtual LAN VLAN information according to the ARP list item that carries in the described ARP list item configuration messages, judge when having interface to belong to corresponding VLAN on this interface board, indicate described ARP list item processing module at the described ARP list item of this interface board configuration; When the type of the receiving interface of described ARP request message is three layer interfaces, indicate described ARP list item synchronization module to send the ARP list item configuration messages that carries the ARP list item that self study arrives to master control borad, dispose described ARP list item to indicate described master control borad;
Described ARP list item processing module also is used for, according to the indication of described control module, at the described ARP list item of this interface board configuration;
Described master control borad comprises administration module and processing module;
Described administration module is used for, when receiving the ARP list item configuration messages of interface board transmission, and the ARP list item of indicating described processing module to carry in the described ARP list item configuration messages of this master control borad configuration according to described ARP list item configuration messages.
Compared with prior art, the above embodiment of the present invention has following useful technique effect:
The ARP list item synchronization scenario that the embodiment of the invention provides, when the interface of interface board reception ARP request message is non-polymeric interface, after interface board carries out the study of ARP list item, type according to the interface that receives the ARP request message, it is synchronous to carry out the ARP list item, save the interface board resources of chip, so that interface board can be learnt more ARP list item, improved interface board message repeating disposal ability.
The present invention also provides a kind of method for processing business and equipment of realizing based on above-mentioned ARP list item method for synchronous, in order to improve interface board message repeating ability.
For this reason, the embodiment of the invention adopts following technical scheme:
The embodiment of the invention provides a kind of method for processing business of realizing based on above-mentioned ARP list item method for synchronous, and described method comprises:
After interface board receives service message, according to the purpose IP address lookup next-hop ip address of described service message, and according to described next-hop ip address inquiry ARP list item, if do not inquire the ARP list item, then described service message is reported to described master control borad;
Master control borad is after receiving the service message that interface board reports, purpose IP address lookup ARP list item according to described service message, if inquire ARP list item corresponding to described purpose IP address, then according to the interface message in the ARP list item that inquires, described service message is pass-through to interface board corresponding to this interface message, and with the interface board of the described service message of the synchronous Excelsior of ARP list item that inquires.
Compared with prior art, the above embodiment of the present invention has following useful technique effect:
The Business Processing scheme that the embodiment of the invention provides, after interface board receives service message, in the situation that does not inquire ARP list item corresponding to service message next-hop ip address, service message is reported to master control borad to be processed, when master control borad inquires ARP list item corresponding to service message purpose IP address, service message is pass-through to the corresponding interface plate, to indicate this interface board forwarding service message, and with the interface board of the synchronous Excelsior service message of ARP list item that inquires, solved interface board because ARP list item quantity is full, the problem that the service message that can't learn the ARP list item and cause is dropped has improved the message repeating disposal ability.
Description of drawings
The synchronous schematic flow sheet of interface board ARP list item that Fig. 1 provides for the embodiment of the invention;
The interface board interface that Fig. 2 provides for the embodiment of the invention adds the synchronous schematic flow sheet of ARP list item behind the VLAN first;
The interface board interface that Fig. 3 provides for inventive embodiments leaves the synchronous schematic flow sheet of ARP list item behind the VLAN;
The business processing flow schematic diagram that Fig. 4 provides for the embodiment of the invention;
The distributed apparatus interface board structural representation that Fig. 5 provides for the embodiment of the invention;
The distributed apparatus master control borad structural representation that Fig. 6 provides for the embodiment of the invention.
Embodiment
The problems referred to above for the prior art existence, the embodiment of the invention provides a kind of ARP list item synchronization scenario, when the interface of interface board reception ARP request message is non-polymeric interface, after interface board carries out the study of ARP list item, it is synchronous to carry out the ARP list item according to the type of the interface that receives the ARP request message, save the interface board resources of chip, so that interface board can be learnt more ARP list item, improved interface board message repeating disposal ability.
Below in conjunction with accompanying drawing the embodiment of the invention is described in detail.
The ARP list item synchronization scenario that the embodiment of the invention provides is applied to include the distributed apparatus of master control borad and at least 2 interface boards.The interface of interface board can be two layer interfaces, three layer interfaces and polymerization interface.Two layer interfaces can not configuration of IP address, can not move Routing Protocol, is used for transmitting two layers of ethernet frame; Three layer interfaces can configuration of IP address and the operation Routing Protocol, is used for receiving transmitting the IP bag; The polymerization interface refers to the interface as the aggregation group member, and aggregation group member's interface can be step by step on different interface boards, and the polymerization interface comprises two layers or three layers of polymer interfaces.
In embodiments of the present invention, interface board is different for the type of ARP request message receiving interface, adopts different ARP list item synchronization scenarios.Describe the synchronous flow process of interface board ARP list item in detail below in conjunction with Fig. 1, as shown in the figure, this flow process may further comprise the steps:
Concrete, sending ending equipment sends the ARP request message, to obtain the MAC Address of receiving device.
Concrete, interface board deposits IP address and the MAC Address of the sending ending equipment that carries in the ARP request message in the local ARP table in, thereby realize the study of ARP list item, and return the arp response message to sending ending equipment, carry the MAC Address of interface board self in this arp response message.
Wherein, if receiving the interface of ARP request message is polymerization interface (comprising polymerization two layer interfaces or polymerization three layer interfaces), then interface board is pass-through to master control borad with the ARP request message that receives, master control borad deposits IP address and the MAC Address of the sending ending equipment that carries in the ARP request message in the local ARP table in, thereby realize the study of ARP list item, and return the arp response message, carry the MAC Address of master control borad self in this arp response message.Master control borad sends ARP list item configuration messages to whole interface boards of distributed apparatus, with the indication distributed apparatus each interface board according to the ARP list item that carries in the ARP list item configuration messages, dispose this ARP list item in this locality, wherein, carry the ARP list item that master control borad is learnt in the ARP list item configuration messages.
Can find out by above-mentioned flow process, the above embodiment of the present invention, when the interface of interface board reception ARP request message is non-polymeric interface, after interface board carries out the study of ARP list item, according to the type of the interface that receives the ARP request message, it is synchronous to carry out the ARP list item, has saved the interface board resources of chip, so that interface board can be learnt more ARP list item, improve interface board message repeating disposal ability.
When the type of the receiving interface of ARP request message was two layers of non-polymeric interface, interface board carried out the synchronous flow process of ARP list item and may further comprise the steps:
Interface board sends ARP list item configuration messages to master control borad and other interface board except this interface board, carries the ARP list item that this interface board self study is arrived in this ARP list item configuration messages.Wherein, the ARP list item can comprise: the IP address of the IP address of the vlan information of interface message (interface identifier), this interface (i.e. the sign of the VLAN of this interface configuration), interface board and MAC Address, sending ending equipment and MAC Address, ageing time and list item type (for example, static entry or dynamic entry).
Master control borad obtains the ARP list item that carries in the ARP list item configuration messages after receiving the ARP list item configuration messages of interface board transmission, and at this ARP list item of this master control borad configuration.
Other interface board is after receiving ARP list item configuration messages, according to the VLAN sign of carrying in the ARP list item configuration messages, at this interface board inquiry ARP list item, if inquire ARP list item corresponding to this VLAN sign, then illustrating has interface to belong to this VLAN on this interface board, then obtain the ARP list item that carries in the ARP list item configuration messages, and at this ARP list item of this interface board configuration; If do not inquire ARP list item corresponding to this VLAN sign on this interface board, then illustrating does not have interface to belong to this VLAN on this interface board, ignore this ARP list item configuration messages.
Can find out by above-mentioned flow process, when the interface that receives the ARP request message is non-polymeric two layer interface, interface board sends ARP list item configuration messages to master control borad and other interface board, and dispose this ARP list item by the interface board that has interface to belong to same VLAN, can save the resources of chip that other does not belong to the interface board of same VLAN, so that other interface board can be learnt more ARP list item, improve the message repeating disposal ability.
When the type of the receiving interface of ARP request message was three layers of non-polymeric interface, interface board carried out the synchronous flow process of ARP list item and may further comprise the steps:
Interface board sends ARP list item configuration messages to master control borad, carries the ARP list item that this interface board self study is arrived in this ARP list item configuration messages.Wherein, the ARP list item can comprise: the IP address of the IP address of the vlan information of interface message (interface identifier), this interface (i.e. the sign of the VLAN of this interface configuration), interface board and MAC Address, sending ending equipment and MAC Address, ageing time and list item type (for example, static entry or dynamic entry).
After master control borad receives ARP list item configuration messages, obtain the ARP list item that wherein carries, and at this ARP list item of this master control borad configuration.
Can find out by above-mentioned flow process, when the interface that receives the ARP request message is non-polymeric three layer interface, behind the interface board study ARP list item, the indication master control borad disposes this ARP list item, and no longer to other this ARP list item of interface board indication configuration, can save the resources of chip of other interface board, so that other interface board can be learnt more ARP list item, improve the message repeating disposal ability.
Further, because two layer interfaces of interface board and the ARP list item that three layer interfaces are learnt are not to be disposed on whole interface boards, consistent for the ARP list item on each interface board that guarantees to be configured to same VLAN, two layers of interface board or three layers of non-polymeric interface can also be carried out lower step after carrying out the study of ARP list item:
Interface board arranges ageing timer for the ARP list item of learning, and when described ageing timer is overtime, at ARP list item corresponding to this locality deletion, and send the ARP list item synchronization message carry deleted ARP list item to master control borad, with the indication master control borad according to ARP list item corresponding to ARP list item synchronization message deletion.Behind the master control borad deletion ARP list item, identify according to the VLAN in this ARP list item, send ARP list item synchronization message to the interface board that disposes this VLAN, carry deleted ARP list item in this ARP list item synchronization message, the interface board that receives this ARP list item synchronization message with indication is deleted the ARP list item of the correspondence of this interface board self storage.
Can find out by above-mentioned aging flow process, when the ARP list item is aging, the interface board that obtains synchronously the ARP list item deletion of can initiatively not wearing out, but by the master control borad transmission ARP list item synchronization message of the interface board of learning this ARP list item to distributed apparatus, and further send ARP list item synchronization message by master control borad to the relevant interface plate, to be implemented in the aging ARP list item of deletion on master control borad and the relevant interface plate, guarantee the consistency of ARP list item on the relevant interface plate, guaranteed the reliability that service message is transmitted.
Further, when the interface on the interface board adds a certain VLAN first, can trigger that to carry out the ARP list item between this interface board and the master control borad synchronous, below in conjunction with Fig. 2, describe interface in detail and add the synchronous flow process of ARP list item that VLAN triggers, this flow process may further comprise the steps:
Step 201, when interface board receive that master control borad sends specified interface is added the configuration-direct of assigned vlan the time, inquire about the ARP list item in this VLAN on this interface board, if do not inquire the ARP list item, then execution in step 202, otherwise, process ends.
Concrete, interface board can add VLAN with interface according to the configuration messages that carries VLAN sign and interface identifier of master control borad transmission, and perhaps, interface board can add assigned vlan with specified interface according to user instruction.Interface board is by ARP list item corresponding to inquiry VLAN sign, whether this interface board on have other interface added this VLAN, if inquire ARP list item corresponding to this VLAN sign, illustrate that then existing other interface adds this VLAN on this interface board if judging, then need not synchronous ARP list item, process ends; If do not inquire ARP list item corresponding to this VLAN sign, illustrate that this interface is the interface of first this VLAN of adding on this interface board, then execution in step 202.
Step 202, interface board send the ARP list item query requests that carries the VLAN sign to master control borad.
Step 203-204, master control borad is inquired about corresponding ARP list item according to the VLAN sign of carrying in the ARP list item query requests that receives, and the ARP list item that inquires is carried on returns to interface board in the inquiry response.
Concrete, owing to store whole ARP list items that each interface board of distributed apparatus and this master control borad are learnt on the master control borad, if an interface place interface board among the VLAN was once learnt the ARP list item, then on master control borad, can record corresponding ARP list item, can inquire corresponding ARP list item at master control borad according to the VLAN sign, master control borad returns to interface board with the ARP list item that inquires.
Step 205, interface board receives the inquiry response that master control borad returns, and the ARP list item that carries in the inquiry response is configured to this interface board.
Preferably, be preset with ARP list item threshold value on the interface board, ARP list item threshold value can be according to the difference of application scenarios, and the difference of interface board performance is set.Interface board is being configured to the ARP list item in the process of this interface board, if the quantity of ARP list item to be configured greater than ARP list item threshold value, then stops to dispose this ARP list item.
Accordingly, when the interface that interface board is arranged leaves VLAN, also can the trigger interface plate and master control borad between to carry out the ARP list item synchronous, below (the target interface plate is as interface board 1 as example take a master control borad and 2 interface boards, other interface board is interface board 2), describe interface in detail in conjunction with Fig. 3 and leave the synchronous flow process of ARP list item that VLAN triggers, this flow process may further comprise the steps:
When step 301, the configuration-direct of the specified interface in master control borad receives the assigned vlan of deletion target interface plate, delete the ARP list item corresponding to VLAN of this interface in this locality.
Step 302, master control borad sends configuration-direct to the target interface plate, carry the VLAN sign of interface identifier and this assigned vlan of this specified interface in this configuration-direct, with ARP list item corresponding to indicating target interface board deletion, and to other interface board transmission ARP list item synchronization message except described target interface plate, wherein, ARP list item synchronization message carries deleted ARP list item.
Step 303-304, described other interface board is after the ARP list item synchronization message that receives the master control borad transmission, inquire about the ARP list item of self storing according to the ARP list item that wherein carries (for example interface identifier), if inquire corresponding ARP list item, then delete this ARP list item, if do not inquire corresponding ARP list item, then ignore this ARP list item synchronization message.
Can find out by above-mentioned flow process, when having interface to add a certain VLAN first on the interface board, by master control borad with the ARP list item in this VLAN synchronously to this interface board; When interface board has interface to leave VLAN, behind the ARP list item of master control borad deletion correspondence, and indication has interface to leave ARP list item corresponding to interface board deletion of VLAN, send simultaneously the deletion synchronizing information to other each interface board, avoided like this interface board preserve this plate E-Packet use less than the ARP list item (for example, the ARP list item of the VLAN that this interface board does not dispose), further saved the interface board resources of chip, so that interface board can be learnt more ARP list item, improve interface board message repeating disposal ability.
Based on above-mentioned ARP list item synchronization scenario, the embodiment of the invention also provides a kind of Business Processing scheme, and as shown in Figure 4, business processing flow may further comprise the steps:
Step 401 is after interface board receives service message, according to the purpose IP address lookup next-hop ip address of service message.
Concrete, interface board is inquired about the fib table item according to the purpose IP address of service message, obtains the next-hop ip address of service message.Wherein, the fib table item stores the information such as next-hop ip address, purpose IP address and forwarding interface sign of message.
Step 402, interface board is according to the next-hop ip address inquiry ARP list item of service message, if do not inquire ARP list item corresponding to the next-hop ip address of this service message, then execution in step 403; If inquire ARP list item corresponding to the next-hop ip address of this service message, then transmit this service message according to the interface message of the ARP list item that inquires.
Step 403, interface board reports to master control borad with this service message.
Step 404, master control borad are according to the purpose IP address of service message, and whether inquiry exists ARP list item corresponding to this purpose IP address, if do not inquire the ARP list item, then execution in step 405; If inquire the ARP list item, then execution in step 408.
Step 405-407, the master control borad broadcast transmission carries the ARP request message of service message purpose IP address, after receiving the arp response message, carries out the study of ARP list item, and according to the MAC Address in the ARP list item of learning, this service message is transmitted.
Step 408, master control borad are determined the interface of forwarding service message according to the interface identifier in the ARP list item, and this interface is the service message incoming interface.
Step 409, master control borad is pass-through to interface board corresponding to interface (service message incoming interface) with service message, in order to by this interface board this service message is transmitted, and with the interface board of the synchronous Excelsior service message of ARP list item that inquires.
Can find out by above-mentioned business processing flow, after interface board receives service message, do not inquire at interface board in the situation of corresponding ARP list item, service message is reported to master control borad to be processed, when master control borad inquires corresponding ARP list item, service message is pass-through to the corresponding interface plate, to indicate this interface board forwarding service message, and with the interface board of the synchronous Excelsior service message of ARP list item that inquires, solved interface board because ARP list item quantity is full, the problem that the service message that can't learn the ARP list item and cause is dropped has improved interface board message repeating disposal ability.
Based on identical technical conceive, the embodiment of the invention also provides a kind of distributed apparatus, comprising: comprise master control borad and at least 2 interface boards, described interface board structure as shown in Figure 5, the master control borad structure as shown in Figure 6, this interface board comprises:
Control module 51, be used for behind the ARP request message that receives requesting query self medium access control MAC Address, when the receiving interface of judging described ARP request message is non-polymeric interface, indication ARP list item processing module 52 is carried out the study of ARP list item according to described ARP request message, and indication ARP list item synchronization module 53 to carry out the ARP list item according to the type of the receiving interface of described ARP request message synchronous.
ARP list item processing module 52 is used for carrying out the study of ARP list item according to described ARP request message.
ARP list item synchronization module 53, it is synchronous to be used for carrying out the ARP list item according to the type of the receiving interface of described ARP request message.
Control module 51 specifically is used for, when the type of the receiving interface of described ARP request message was two layer interfaces, indication ARP list item synchronization module 53 sent to master control borad and other interface board except this interface board and carries the ARP list item configuration messages of self learning the ARP list item that arrives; Behind the ARP list item configuration messages that receives other interface board transmission, if the virtual LAN VLAN information according to the ARP list item that carries in the described ARP list item configuration messages, judge when having interface to belong to corresponding VLAN on this interface board that indication ARP list item processing module 52 is at the described ARP list item of this interface board configuration; When the type of the receiving interface of described ARP request message is three layer interfaces, indicate described ARP list item synchronization module 53 to send the ARP list item configuration messages that carries the ARP list item that self study arrives to master control borad, dispose described ARP list item to indicate described master control borad.
Described ARP list item processing module 52 also is used for, according to the indication of control module 51, at the described ARP list item of this interface board configuration.
Described master control borad comprises administration module 61 and processing module 62;
Administration module 61 is used for, when receiving the ARP list item configuration messages of interface board transmission, and the ARP list item that indication processing module 62 is carried in the described ARP list item configuration messages of this master control borad configuration according to described ARP list item configuration messages.
Administration module 61 also is used for, when receiving the ARP list item configuration messages of interface board transmission, and the ARP list item that indication processing module 62 is carried in the described ARP list item configuration messages of this master control borad configuration according to described ARP list item configuration messages.
Control module 51 also is used for, and when the receiving interface of described ARP request message is two layers or three layers of polymer interfaces, described ARP request message is pass-through to described master control borad, carries out the study of ARP list item to indicate described master control borad.
Described administration module 61 also is used for, and according to described ARP request message, indicates described processing module 62 to carry out the study of ARP list item.
Described master control borad also comprises synchronization module 63, synchronization module 63 is used for, send the ARP list item synchronization message that carries the ARP list item that processing module 62 study arrive to the whole interface boards of described distributed apparatus, the interface board that receives described ARP list item synchronization message with indication disposes described ARP list item.
Described interface board also comprises ARP list item enquiry module 54;
Control module 51 also is used for, when described interface board receive that described master control borad sends specified interface is added the configuration-direct of assigned vlan the time, ARP list item on indication ARP list item enquiry module 54 these interface boards of inquiry in this VLAN, when not inquiring the ARP list item, send the query requests of the ARP list item in this VLAN of inquiry to described master control borad, and after receiving the inquiry response that master control borad returns, indication ARP list item processing module 52 is configured to this interface board with the ARP list item that carries in the described inquiry response.
Described master control borad also comprises enquiry module 63;
Administration module 61 is used for, and when receiving the ARP list item query requests of described interface board transmission, indication enquiry module 63 is inquired about, and returns the inquiry response of the ARP list item that carries to described interface board.
Administration module 61 also is used for, when receiving the configuration-direct of deleting the specified interface in the assigned vlan on the target interface plate, the indication processing module 62 described specified interface of deletion and ARP list items corresponding to described assigned vlan, send the configuration-direct of the specified interface in the described deletion assigned vlan to described target interface plate, and indicate synchronization module 63 to send the ARP list item synchronization message that carries deleted ARP list item to other interface board except described target interface plate.
Control module 51 also is used for, and according to the configuration-direct that described master control borad sends, indication ARP list item processing module 52 is at this interface board described specified interface of deletion and ARP list item corresponding to described assigned vlan; And, after the ARP list item synchronization message that receives described master control borad transmission, indication ARP list item processing module 52 is according to the ARP list item that wherein carries, search corresponding ARP list item at this interface board, when finding corresponding ARP list item, delete the ARP list item of the correspondence of this interface board self storage.
Control module 51 also is used for, and the ARP list item of learning for ARP list item processing module 52 arranges ageing timer; When described ageing timer is overtime, the ARP list item of the correspondence of indication ARP list item processing module 52 deletions self storage, and indication ARP list item synchronization module 53 sends the ARP list item synchronization message that carries deleted ARP list item to master control borad; And, receive the ARP list item synchronization message that described master control borad sends, and indication ARP list item processing module 52 is according to the ARP list item of the correspondence of the ARP list item deletion of carrying in the described ARP list item synchronization message self storage.
Administration module 61 also is used for, when receiving the ARP list item synchronization message of interface board transmission, indication processing module 62 is according to the ARP list item of the correspondence of the ARP list item deletion of carrying in the described ARP list item synchronization message self storage, and indication synchronization module 64 sends the ARP list item synchronization message that carries deleted ARP list item according to the vlan information in the described ARP list item to the interface board that disposes this VLAN.
Described interface board also comprises packet forwarding module 55, be used for after receiving service message, purpose IP address lookup next-hop ip address according to described service message, and according to described next-hop ip address inquiry ARP list item, if do not inquire the ARP list item, then described service message is reported to described master control borad.
Described master control borad also comprises Service Processing Module 65, Service Processing Module 65 is used for, after receiving the service message that interface board reports, purpose IP address lookup ARP list item according to described service message, if inquire ARP list item corresponding to described purpose IP address, then according to the interface message in the ARP list item that inquires, described service message is pass-through to interface board corresponding to this interface message, and with the interface board of the described service message of the synchronous Excelsior of ARP list item that inquires.
Service Processing Module 65 also is used for, if do not inquire ARP list item corresponding to described purpose IP address, then indicates processing module 62 to carry out the study of ARP list item, and transmits described service message according to the medium access control MAC Address in the ARP list item of learning.
Processing module 62 also is used for, and according to the indication of Service Processing Module 65, broadcast transmission carries the ARP request message of described purpose IP address, and after receiving the arp response message, carries out the study of ARP list item.
Through the above description of the embodiments, those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential general hardware platform, can certainly pass through hardware, but the former is better execution mode in a lot of situation.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words can embody with the form of software product, this computer software product is stored in the storage medium, comprise that some instructions are with so that a station terminal equipment (can be mobile phone, personal computer, server, the perhaps network equipment etc.) carry out the described method of each embodiment of the present invention.
The above only is preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be looked protection scope of the present invention.
Claims (14)
1.
A kind of ARP list item method for synchronous is characterized in that, be applied to include the distributed apparatus of master control borad and at least 2 interface boards, described method comprises:
After interface board receives the ARP request message of requesting query self medium access control MAC Address, if the receiving interface of described ARP request message is non-polymeric interface, then carry out ARP list item study according to described ARP request message, and it is synchronous to carry out the ARP list item according to the type of the receiving interface of described ARP request message;
It is synchronous that the type of described receiving interface according to described ARP request message is carried out the ARP list item, specifically comprises:
If the type of the receiving interface of described ARP request message is two layer interfaces, then described interface board sends the ARP list item configuration messages that carries the ARP list item that self study arrives to master control borad and other interface board except this interface board, with the recipient that indicates described ARP list item configuration messages according to described ARP list item configuration messages configuration ARP list item; Receive the ARP list item configuration messages of other interface board transmission when described interface board after, if described interface board is according to the virtual LAN VLAN information of the ARP list item that carries in the described ARP list item configuration messages, judging has interface to belong to corresponding VLAN on this interface board, then at the described ARP list item of this interface board configuration;
If the type of the receiving interface of described ARP request message is three layer interfaces, then described interface board sends the ARP list item configuration messages carry the ARP list item that self study arrives to master control borad, disposes described ARP list item to indicate described master control borad.
2.
The method of claim 1 is characterized in that, described method also comprises:
If the receiving interface of described ARP request message is two layers or three layers of polymer interfaces, then described interface board is pass-through to described master control borad with described ARP request message, carries out the study of ARP list item to indicate described master control borad;
Described master control borad carries out the study of ARP list item according to described ARP request message, and sending the ARP list item synchronization message that carries the ARP list item that this master control borad learns to the whole interface boards of described distributed apparatus, the interface board that receives described ARP list item synchronization message with indication disposes described ARP list item.
3.
The method of claim 1 is characterized in that, described method also comprises:
If described interface board receives the configuration-direct that specified interface is added assigned vlan that described master control borad sends, then inquire about the ARP list item in this VLAN on this interface board; If do not inquire, then send the query requests of the ARP list item in this VLAN of inquiry to described master control borad, and after receiving the inquiry response that master control borad returns, the ARP list item that carries in the described inquiry response is configured to this interface board.
4.
The method of claim 1 is characterized in that, described method also comprises:
If described master control borad receives the configuration-direct of the specified interface in the assigned vlan on the deletion target interface plate, then at this master control borad described specified interface of deletion and ARP list item corresponding to described assigned vlan, send the configuration-direct of the specified interface in the described deletion assigned vlan to described target interface plate, and carry the ARP list item synchronization message of deleted ARP list item to other interface board transmission except described target interface plate;
Described target interface buttress is according to described configuration-direct, at this interface board described specified interface of deletion and ARP list item corresponding to described assigned vlan;
Described other interface board is searched corresponding ARP list item according to the ARP list item that carries in the described ARP list item synchronization message at this interface board, if find, then deletes the ARP list item of the correspondence of self storing.
5.
The method of claim 1 is characterized in that, described method also comprises:
Described interface board carries out after the ARP list item study, for study to the ARP list item ageing timer is set;
When described ageing timer is overtime, deletes the ARP list item of the correspondence of self storing, and send the ARP list item synchronization message that carries deleted ARP list item to master control borad;
Described master control borad is according to the ARP list item of the correspondence of the ARP list item deletion of carrying in the described ARP list item synchronization message self storage, and according to the vlan information in the described ARP list item, send the ARP list item synchronization message that carries deleted ARP list item to the interface board that disposes this VLAN, the interface board that receives this ARP list item synchronization message with indication is deleted the ARP list item of the correspondence of this interface board self storage.
?
6.
A kind of method for processing business of realizing based on each described method of claim 1-5 is characterized in that described method comprises:
After interface board receives service message, according to the purpose IP address lookup next-hop ip address of described service message, and according to described next-hop ip address inquiry ARP list item, if do not inquire the ARP list item, then described service message is reported to described master control borad;
Master control borad is after receiving the service message that interface board reports, purpose IP address lookup ARP list item according to described service message, if inquire ARP list item corresponding to described purpose IP address, then according to the interface message in the ARP list item that inquires, described service message is pass-through to interface board corresponding to this interface message, and with the interface board of the described service message of the synchronous Excelsior of ARP list item that inquires.
7.
Method as claimed in claim 6, it is characterized in that, described method also comprises: if described master control borad does not inquire ARP list item corresponding to described purpose IP address, then broadcast transmission carries the ARP request message of described purpose IP address, after receiving the arp response message, carry out the study of ARP list item, and transmit described service message according to the medium access control MAC Address in the ARP list item of learning.
?
8.
A kind of distributed apparatus comprises master control borad and at least 2 interface boards, and described interface board comprises:
Control module, be used for behind the ARP request message that receives requesting query self medium access control MAC Address, when the receiving interface of judging described ARP request message is non-polymeric interface, indication ARP list item processing module is carried out the study of ARP list item according to described ARP request message, and indication ARP list item synchronization module to carry out the ARP list item according to the type of the receiving interface of described ARP request message synchronous;
ARP list item processing module is used for carrying out the study of ARP list item according to described ARP request message;
ARP list item synchronization module, it is synchronous to be used for carrying out the ARP list item according to the type of the receiving interface of described ARP request message;
Wherein, described control module specifically is used for, when the type of the receiving interface of described ARP request message is two layer interfaces, indicate described ARP list item synchronization module to send the ARP list item configuration messages that carries the ARP list item that self study arrives to master control borad and other interface board except this interface board; And, behind the ARP list item configuration messages that receives other interface board transmission, if the virtual LAN VLAN information according to the ARP list item that carries in the described ARP list item configuration messages, judge when having interface to belong to corresponding VLAN on this interface board, indicate described ARP list item processing module at the described ARP list item of this interface board configuration; When the type of the receiving interface of described ARP request message is three layer interfaces, indicate described ARP list item synchronization module to send the ARP list item configuration messages that carries the ARP list item that self study arrives to master control borad, dispose described ARP list item to indicate described master control borad;
Described ARP list item processing module also is used for, according to the indication of described control module, at the described ARP list item of this interface board configuration;
Described master control borad comprises administration module and processing module;
Described administration module is used for, when receiving the ARP list item configuration messages of interface board transmission, and the ARP list item of indicating described processing module to carry in the described ARP list item configuration messages of this master control borad configuration according to described ARP list item configuration messages.
9.
Equipment as claimed in claim 8, it is characterized in that described control module also is used for, when the receiving interface of described ARP request message is two layers or three layers of polymer interfaces, described ARP request message is pass-through to described master control borad, carries out the study of ARP list item to indicate described master control borad;
Described administration module also is used for, and according to described ARP request message, indicates described processing module to carry out the study of ARP list item;
Described master control borad also comprises synchronization module, described synchronization module is used for, send the ARP list item synchronization message that carries the ARP list item that described processing module learns to the whole interface boards of described distributed apparatus, the interface board that receives described ARP list item synchronization message with indication disposes described ARP list item.
10.
Equipment as claimed in claim 8 is characterized in that, described interface board also comprises ARP list item enquiry module;
Described control module also is used for, when described interface board receive that described master control borad sends specified interface is added the configuration-direct of assigned vlan the time, indicate described ARP list item enquiry module to inquire about the ARP list item in this VLAN on this interface board, when not inquiring the ARP list item, send the query requests of the ARP list item in this VLAN of inquiry to described master control borad, and after receiving the inquiry response that master control borad returns, indicate described ARP list item processing module that the ARP list item that carries in the described inquiry response is configured to this interface board;
Described master control borad also comprises enquiry module;
Described administration module is used for, and when receiving the ARP list item query requests of described interface board transmission, indicates described enquiry module to inquire about, and returns the inquiry response of the ARP list item that carries to described interface board.
11.
Equipment as claimed in claim 8 is characterized in that,
Described administration module also is used for, when receiving the configuration-direct of deleting the specified interface in the assigned vlan on the target interface plate, indicate described processing module to delete described specified interface and ARP list item corresponding to described assigned vlan, send the configuration-direct of the specified interface in the described deletion assigned vlan to described target interface plate, and indicate described synchronization module to send the ARP list item synchronization message that carries deleted ARP list item to other interface board except described target interface plate;
Described control module also is used for, and according to the configuration-direct that described master control borad sends, indicates described ARP list item processing module at this interface board described specified interface of deletion and ARP list item corresponding to described assigned vlan; And, after the ARP list item synchronization message that receives described master control borad transmission, indicate described ARP list item processing module according to the ARP list item that wherein carries, search corresponding ARP list item at this interface board, when finding corresponding ARP list item, delete the ARP list item of the correspondence of this interface board self storage.
12.
Equipment as claimed in claim 8 is characterized in that, described control module also is used for, and the ARP list item of learning for described ARP list item processing module arranges ageing timer; When described ageing timer is overtime, indicates the ARP list item of the correspondence of described ARP list item processing module deletion self storage, and indicate described ARP list item synchronization module to send the ARP list item synchronization message that carries deleted ARP list item to master control borad; And, receive the ARP list item synchronization message that described master control borad sends, and indicate described ARP list item processing module according to the ARP list item of the correspondence of the ARP list item deletion of carrying in the described ARP list item synchronization message self storage;
Described administration module also is used for, when receiving the ARP list item synchronization message of interface board transmission, indicate described processing module according to the ARP list item of the correspondence of the ARP list item deletion of carrying in the described ARP list item synchronization message self storage, and indicate described synchronization module according to the vlan information in the described ARP list item, send the ARP list item synchronization message that carries deleted ARP list item to the interface board that disposes this VLAN.
13.
Equipment as claimed in claim 8, it is characterized in that, described interface board also comprises packet forwarding module, be used for after receiving service message, purpose IP address lookup next-hop ip address according to described service message, and according to described next-hop ip address inquiry ARP list item, if do not inquire the ARP list item, then described service message is reported to described master control borad.
Described master control borad also comprises Service Processing Module, described Service Processing Module is used for, after receiving the service message that interface board reports, purpose IP address lookup ARP list item according to described service message, if inquire ARP list item corresponding to described purpose IP address, then according to the interface message in the ARP list item that inquires, described service message is pass-through to interface board corresponding to this interface message, and with the interface board of the described service message of the synchronous Excelsior of ARP list item that inquires.
14.
Equipment as claimed in claim 13, it is characterized in that, described Service Processing Module also is used for, if do not inquire ARP list item corresponding to described purpose IP address, then indicate described processing module to carry out the study of ARP list item, and transmit described service message according to the medium access control MAC Address in the ARP list item of learning;
Described processing module also is used for, and according to the indication of described Service Processing Module, broadcast transmission carries the ARP request message of described purpose IP address, and after receiving the arp response message, carries out the study of ARP list item.
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| CN201310047587.7A CN103078814B (en) | 2013-02-06 | A kind of ARP synchronous method and method for processing business and equipment |
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| CN201310047587.7A CN103078814B (en) | 2013-02-06 | A kind of ARP synchronous method and method for processing business and equipment |
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| CN103078814A true CN103078814A (en) | 2013-05-01 |
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