CN104980526A - Control method of media access control (MAC) address drift, control device of MAC address drift and network device - Google Patents
Control method of media access control (MAC) address drift, control device of MAC address drift and network device Download PDFInfo
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- CN104980526A CN104980526A CN201410136398.1A CN201410136398A CN104980526A CN 104980526 A CN104980526 A CN 104980526A CN 201410136398 A CN201410136398 A CN 201410136398A CN 104980526 A CN104980526 A CN 104980526A
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- media access
- access control
- drift
- control address
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/46—Interconnection of networks
- H04L12/4604—LAN interconnection over a backbone network, e.g. Internet, Frame Relay
- H04L12/462—LAN interconnection over a bridge based backbone
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2101/00—Indexing scheme associated with group H04L61/00
- H04L2101/60—Types of network addresses
- H04L2101/618—Details of network addresses
- H04L2101/622—Layer-2 addresses, e.g. medium access control [MAC] addresses
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Small-Scale Networks (AREA)
Abstract
The present invention provides a control method of MAC address drift, a control device of MAC address drift and a network device. The method comprises the steps of querying the forwarding instance information corresponding to a message after the message is received, and obtaining an MAC address drift enabling mark; querying an MAC address table, if the port number of an MAC address item is inconsistent with the flow-in port number of the message, controlling the MAC address drift according to the MAC address drift enabling mark. According to the present invention, by adding the MAC address drift enabling mark and by just needing to modify the global configuration of an instance, the global control is provided on the basis of the port priority, the engineering maintenance and use are more convenient.
Description
Technical field
The present invention relates to two layers of retransmission technique field of communication apparatus in the communications field, particularly relate to a kind of MAC(Media Access Control, medium education) control method of address drift, device and the network equipment.
Background technology
The features such as Ethernet is simple with it, convenient, efficient, become the technology that current local area network networking and broadband access network are commonly used the most, but, due to the existence of its broadcast characteristic, also create the one side that Ethernet is very fragile.
Ethernet Circle is because the reasons such as network connectivity is lack of standardization, short cause the data forwarding paths of whole network to there is loop, the harm caused thus mainly comprises broadcast storm, MAC Address drift, transmits entanglement etc., thus causes obstruction and the interruption of whole network.Except network connectivity problem, the MAC Address that network attack causes frequently is drifted about, and is also the key factor affecting network performance and safety.Usually controlled MAC Address drift by the priority of port, this method has and controls advantage flexibly, but comparatively loaded down with trivial details when engineering debug and application, needs traversal amendment port priority information.
Summary of the invention
The technical problem to be solved in the present invention is to provide control method, device and the network equipment that a kind of MAC Address is drifted about, with more convenient engineering maintenance and use.
In order to solve the problems of the technologies described above, the invention provides the control method of a kind of Media Access Control Address drift, comprising:
After receiving message, inquire about the forwarding instance information that described message is corresponding, obtain Media Access Control Address drift enable flag;
Inquiry Media Access Control Address table, as Media Access Control Address entry port numbers with as described in the port numbers that flows into of message inconsistent, then drift about according to described Media Access Control Address drift enable flag control Media Access Control Address.
Further, said method also has feature below: described according to the drift of described Media Access Control Address drift enable flag control Media Access Control Address, comprising:
When described Media Access Control Address drift enable flag represent do not allow Media Access Control Address to drift about time, end process; When described Media Access Control Address drift enable flag represents the drift of permission Media Access Control Address, the priority according to port controls Media Access Control Address drift.
Further, said method also has feature below: the described priority according to port controls Media Access Control Address drift, comprising:
Judging whether the priority of the port that described Media Access Control Address entry is pointed to is greater than the priority of described message flow inbound port, as being greater than, then not allowing Media Access Control Address to drift about, otherwise allow Media Access Control Address drift.
In order to solve the problem, present invention also offers a kind of device controlling Media Access Control Address drift, wherein, comprising:
Acquisition module, after receiving message, inquires about the forwarding instance information that described message is corresponding, obtains Media Access Control Address drift enable flag;
Control module, for inquiring about Media Access Control Address table, as Media Access Control Address entry port numbers and as described in the port numbers that flows into of message inconsistent, then control Media Access Control Address drift according to described Media Access Control Address drift enable flag.
Further, said apparatus also has feature below:
Described control module, controls Media Access Control Address drift according to described Media Access Control Address drift enable flag and comprises: when described Media Access Control Address drift enable flag represent do not allow Media Access Control Address to drift about time, end process; When described Media Access Control Address drift enable flag represents the drift of permission Media Access Control Address, the priority according to port controls Media Access Control Address drift.
Further, said apparatus also has feature below:
Described control module, priority according to port controls Media Access Control Address drift, comprise: judge whether the priority of the port that described Media Access Control Address entry is pointed to is greater than the priority of described message flow inbound port, as being greater than, then do not allow Media Access Control Address to drift about, otherwise allow Media Access Control Address drift.
In order to solve the problem, present invention also offers a kind of network equipment, wherein, comprise:
CPU, for configuring Media Access Control Address table;
Network processing unit, after receiving message, inquires about the forwarding instance information that described message is corresponding, obtains Media Access Control Address drift enable flag; Inquire about described Media Access Control Address table, as Media Access Control Address entry port numbers and as described in the port numbers that flows into of message inconsistent, then control Media Access Control Address drift according to described Media Access Control Address drift enable flag.
Further, the above-mentioned network equipment also has feature below:
Described network processing unit, described according to the drift of described Media Access Control Address drift enable flag control Media Access Control Address, comprise: when described Media Access Control Address drift enable flag represent do not allow Media Access Control Address to drift about time, end process; When described Media Access Control Address drift enable flag represents the drift of permission Media Access Control Address, the priority according to port controls Media Access Control Address drift.
Further, the above-mentioned network equipment also has feature below:
Described network processing unit, priority according to port controls Media Access Control Address drift, comprise: judge whether the priority of the port that described Media Access Control Address entry is pointed to is greater than the priority of described message flow inbound port, as being greater than, then do not allow Media Access Control Address to drift about, otherwise allow Media Access Control Address drift.
To sum up, the invention provides the control method of a kind of MAC Address drift, device and the network equipment, the present invention, by increasing MAC_Transfer_Enable mark, only need revise the global configuration of example, the basis of port priority provides the overall situation control, convenient engineering maintenance and use.
Accompanying drawing explanation
Fig. 1 is the flow chart of the control method of the MAC Address drift of one embodiment of the invention;
Fig. 2 is the schematic diagram of the device of the control MAC Address drift of the embodiment of the present invention;
Fig. 3 is the schematic diagram of the network equipment of the embodiment of the present invention;
Fig. 4 is the flow chart of the control method of the MAC Address drift of another embodiment of the present invention.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly understand, hereinafter will be described in detail to embodiments of the invention by reference to the accompanying drawings.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combination in any mutually.
Fig. 1 is the flow chart of the control method of the MAC Address drift of the embodiment of the present invention, and as shown in Figure 1, the method for the present embodiment comprises:
Step 11, receive message after, inquire about the forwarding instance information that described message is corresponding, obtain MAC Address drift enable flag;
Step 12, inquiry mac address table, as MAC Address entry port numbers with as described in the port numbers that flows into of message inconsistent, then drift about according to described MAC Address drift enable flag control MAC Address.
In the present embodiment, switch or PTN device can realize multiple bridge(bridge usually) or L2VPN(two-layer virtual private network) example, each example complete independently MAC address learning function separately.The embodiment of the present invention, in the control table of bridge/l2vpn example, increases a control mark:
The drift of MAC_Transfer_Enable(MAC address is enable): 0 represents that this example does not allow MAC Address to drift about; 1 represents that this example allows MAC Address drift.
In mac address table, search the MAC Address entry of mating with the data message received: if find, then judge that whether the port numbers of above-mentioned MAC Address entry is consistent with the port numbers that above-mentioned data message flows into, if unanimously, then refresh the MAC address aging time; If inconsistent, then continue the forwarding instance of inquiry acquisition belonging to message, and judge that MAC_Transfer_Enable marks.
If this value is 0, MAC is not then allowed to drift about, if this value is 1, then can judge further according to the precedence information of port, if the priority of the port that the port priority that above-mentioned MAC Address entry is pointed to flows into higher than above-mentioned data message, then do not allow MAC Address entry to drift about, otherwise allow MAC Address entry to drift about.When allowing drift, the port priority of the source port number in this MAC Address entry and sensing is updated to source port and the priority of message.
The example of prior art may comprise multiple port, and port is corresponding respective priority again.If when wishing to forbid drift by amendment port priority, just need to search in all of the port and priority under this example, and after increasing MAC_Transfer_Enable mark in the embodiment of the present invention, only need revise the global configuration of example, the basis of port priority provides the overall situation control, convenient engineering maintenance and use.
Switch or PTN(Packet Transport Network is realized, Packet Transport Network with simple method) drift of the MAC Address of equipment controls.
Fig. 2 is the schematic diagram of the device of the control MAC Address drift of the embodiment of the present invention, and as shown in Figure 2, the device of the present embodiment comprises:
Acquisition module, after receiving message, inquires about the forwarding instance information that described message is corresponding, obtains Media Access Control Address drift enable flag;
Control module, for inquiring about Media Access Control Address table, as Media Access Control Address entry port numbers and as described in the port numbers that flows into of message inconsistent, then control Media Access Control Address drift according to described Media Access Control Address drift enable flag.
Wherein, described control module, control Media Access Control Address drift according to described Media Access Control Address drift enable flag to comprise: when described Media Access Control Address drift enable flag represent do not allow Media Access Control Address to drift about time, end process; When described Media Access Control Address drift enable flag represents the drift of permission Media Access Control Address, the priority according to port controls Media Access Control Address drift.
The embodiment of the present invention a kind of network equipment (such as, Packet Transport Network equipment) is also provided, as shown in Figure 3, comprising:
CPU(central processing unit), for configuring Media Access Control Address table;
Network processing unit, after receiving message, inquires about the forwarding instance information that described message is corresponding, obtains Media Access Control Address drift enable flag; Inquire about described Media Access Control Address table, as Media Access Control Address entry port numbers and as described in the port numbers that flows into of message inconsistent, then control Media Access Control Address drift according to described Media Access Control Address drift enable flag.
In a preferred embodiment, described network processing unit, described according to the drift of described Media Access Control Address drift enable flag control Media Access Control Address, can comprise: when described Media Access Control Address drift enable flag represent do not allow Media Access Control Address to drift about time, end process; When described Media Access Control Address drift enable flag represents the drift of permission Media Access Control Address, the priority according to port controls Media Access Control Address drift.
In a preferred embodiment, described network processing unit, priority according to port controls Media Access Control Address drift, can comprise: judge whether the priority of the port that described Media Access Control Address entry is pointed to is greater than the priority of described message flow inbound port, as being greater than, then do not allow Media Access Control Address to drift about, otherwise allow Media Access Control Address drift.
With a specific embodiment, method of the present invention is described in detail below.
The present embodiment is for Packet Transport Network equipment, the idiographic flow realizing MAC Address drift control based on the embodiment of the present invention is described, this equipment is centralized PTN device, be made up of one piece of main control switchboard and two pieces of service interface boards, as shown in Figure 4, wherein mainboard adopts Infineon Technologies Corp. APP series network processors, and be responsible for miscellaneous service table and search and process, service interface board is responsible for reception and the transmission of business.Concrete implementation step is as follows:
Step 101: master control borad receives message from interface board, network processing unit enters to port according to message, tables look-up and obtains forwarding instance numbering.
Step 102: according to forwarding instance numbering, query case information, obtains MAC_Transfer_Enable mark.
Step 103: inquiry mac address table, if do not inquire MAC Address entry, then increases MAC Address entry newly and ends process, otherwise continuing step 104.
Step 104: if the inbound port of the port numbers of MAC Address entry and message is number equal, then refresh MAC Address entry and end process, if the inbound port of the port numbers of MAC Address entry and message is number unequal, then continues step 105.
Step 105: judge that the value of MAC_Transfer_Enable is 0 or 1, if MAC_Transfer_Enable is 0, then go to step 106, if 1, then go to step 107;
Step 106: do not allow MAC Address drift about and end process;
Step 107: judge whether the port priority that MAC Address entry is pointed to is greater than the priority that data message flows into port, if so, does not then allow MAC Address to drift about, otherwise allow MAC Address drift.
The present embodiment in a centralized PTN device is that example is described, and method of the present invention is also applicable to alive formula PTN device.
The all or part of step that one of ordinary skill in the art will appreciate that in said method is carried out instruction related hardware by program and is completed, and described program can be stored in computer-readable recording medium, as read-only memory, disk or CD etc.Alternatively, all or part of step of above-described embodiment also can use one or more integrated circuit to realize.Correspondingly, each module/unit in above-described embodiment can adopt the form of hardware to realize, and the form of software function module also can be adopted to realize.The present invention is not restricted to the combination of the hardware and software of any particular form.
These are only the preferred embodiments of the present invention; certainly; the present invention also can have other various embodiments; when not deviating from the present invention's spirit and essence thereof; those of ordinary skill in the art are when making various corresponding change and distortion according to the present invention, but these change accordingly and are out of shape the protection range that all should belong to the claim appended by the present invention.
Claims (9)
1. a control method for Media Access Control Address drift, comprising:
After receiving message, inquire about the forwarding instance information that described message is corresponding, obtain Media Access Control Address drift enable flag;
Inquiry Media Access Control Address table, as Media Access Control Address entry port numbers with as described in the port numbers that flows into of message inconsistent, then drift about according to described Media Access Control Address drift enable flag control Media Access Control Address.
2. the method for claim 1, is characterized in that: described according to the drift of described Media Access Control Address drift enable flag control Media Access Control Address, comprising:
When described Media Access Control Address drift enable flag represent do not allow Media Access Control Address to drift about time, end process; When described Media Access Control Address drift enable flag represents the drift of permission Media Access Control Address, the priority according to port controls Media Access Control Address drift.
3. method as claimed in claim 2, is characterized in that: the described priority according to port controls Media Access Control Address drift, comprising:
Judging whether the priority of the port that described Media Access Control Address entry is pointed to is greater than the priority of described message flow inbound port, as being greater than, then not allowing Media Access Control Address to drift about, otherwise allow Media Access Control Address drift.
4. control a device for Media Access Control Address drift, it is characterized in that, comprising:
Acquisition module, after receiving message, inquires about the forwarding instance information that described message is corresponding, obtains Media Access Control Address drift enable flag;
Control module, for inquiring about Media Access Control Address table, as Media Access Control Address entry port numbers and as described in the port numbers that flows into of message inconsistent, then control Media Access Control Address drift according to described Media Access Control Address drift enable flag.
5. device as claimed in claim 4, is characterized in that,
Described control module, controls Media Access Control Address drift according to described Media Access Control Address drift enable flag and comprises: when described Media Access Control Address drift enable flag represent do not allow Media Access Control Address to drift about time, end process; When described Media Access Control Address drift enable flag represents the drift of permission Media Access Control Address, the priority according to port controls Media Access Control Address drift.
6. device as claimed in claim 5, is characterized in that,
Described control module, priority according to port controls Media Access Control Address drift, comprise: judge whether the priority of the port that described Media Access Control Address entry is pointed to is greater than the priority of described message flow inbound port, as being greater than, then do not allow Media Access Control Address to drift about, otherwise allow Media Access Control Address drift.
7. a network equipment, is characterized in that, comprising:
CPU, for configuring Media Access Control Address table;
Network processing unit, after receiving message, inquires about the forwarding instance information that described message is corresponding, obtains Media Access Control Address drift enable flag; Inquire about described Media Access Control Address table, as Media Access Control Address entry port numbers and as described in the port numbers that flows into of message inconsistent, then control Media Access Control Address drift according to described Media Access Control Address drift enable flag.
8. the network equipment as claimed in claim 7, is characterized in that,
Described network processing unit, described according to the drift of described Media Access Control Address drift enable flag control Media Access Control Address, comprise: when described Media Access Control Address drift enable flag represent do not allow Media Access Control Address to drift about time, end process; When described Media Access Control Address drift enable flag represents the drift of permission Media Access Control Address, the priority according to port controls Media Access Control Address drift.
9. the network equipment as claimed in claim 8, is characterized in that,
Described network processing unit, priority according to port controls Media Access Control Address drift, comprise: judge whether the priority of the port that described Media Access Control Address entry is pointed to is greater than the priority of described message flow inbound port, as being greater than, then do not allow Media Access Control Address to drift about, otherwise allow Media Access Control Address drift.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410136398.1A CN104980526A (en) | 2014-04-04 | 2014-04-04 | Control method of media access control (MAC) address drift, control device of MAC address drift and network device |
| PCT/CN2014/079910 WO2015149432A1 (en) | 2014-04-04 | 2014-06-16 | Controlling method and controlling device for mac address drifting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410136398.1A CN104980526A (en) | 2014-04-04 | 2014-04-04 | Control method of media access control (MAC) address drift, control device of MAC address drift and network device |
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| Publication Number | Publication Date |
|---|---|
| CN104980526A true CN104980526A (en) | 2015-10-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410136398.1A Withdrawn CN104980526A (en) | 2014-04-04 | 2014-04-04 | Control method of media access control (MAC) address drift, control device of MAC address drift and network device |
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| CN (1) | CN104980526A (en) |
| WO (1) | WO2015149432A1 (en) |
Cited By (4)
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| CN107171952A (en) * | 2017-04-06 | 2017-09-15 | 烽火通信科技股份有限公司 | A kind of method and apparatus that anti-ring is realized in VPLS |
| WO2017156979A1 (en) * | 2016-03-16 | 2017-09-21 | 中兴通讯股份有限公司 | Media access control (mac) address processing method and device |
| CN108429823A (en) * | 2018-02-28 | 2018-08-21 | 迈普通信技术股份有限公司 | The method and switching equipment that MAC Address drifts about are prevented in DHCP networks |
| CN113448961A (en) * | 2020-03-27 | 2021-09-28 | 烽火通信科技股份有限公司 | Data access method and system for multi-MAC (media Access control) address drift alarm table |
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- 2014-06-16 WO PCT/CN2014/079910 patent/WO2015149432A1/en active Application Filing
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2017156979A1 (en) * | 2016-03-16 | 2017-09-21 | 中兴通讯股份有限公司 | Media access control (mac) address processing method and device |
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| CN107205058B (en) * | 2016-03-16 | 2021-06-04 | 中兴通讯股份有限公司 | Media intervention control MAC address processing method and device |
| CN107171952A (en) * | 2017-04-06 | 2017-09-15 | 烽火通信科技股份有限公司 | A kind of method and apparatus that anti-ring is realized in VPLS |
| CN107171952B (en) * | 2017-04-06 | 2019-10-11 | 烽火通信科技股份有限公司 | A kind of method and apparatus for realizing anti-ring in VPLS |
| CN108429823A (en) * | 2018-02-28 | 2018-08-21 | 迈普通信技术股份有限公司 | The method and switching equipment that MAC Address drifts about are prevented in DHCP networks |
| CN108429823B (en) * | 2018-02-28 | 2021-06-29 | 迈普通信技术股份有限公司 | Method for preventing MAC address drift in DHCP network and switching equipment |
| CN113448961A (en) * | 2020-03-27 | 2021-09-28 | 烽火通信科技股份有限公司 | Data access method and system for multi-MAC (media Access control) address drift alarm table |
| CN113448961B (en) * | 2020-03-27 | 2022-08-02 | 烽火通信科技股份有限公司 | Data access method and system for multi-MAC (media Access control) address drift alarm table |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015149432A1 (en) | 2015-10-08 |
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Application publication date: 20151014 |