CN109743232B - Interface detection method and device - Google Patents
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Abstract
The embodiment of the application provides an interface detection method and device, relates to the technical field of communication, and aims to solve the problem that a method for acquiring a network topology state is complex. The scheme of this application includes: when the ARP information is acquired through the interface of the network equipment, a Network Quality Analysis (NQA) detection task is established for the interface according to the ARP information, then the NQA detection task is executed, and an NQA detection result obtained after the NQA detection task is executed is stored in the interface attribute information of the interface.
Description
Technical Field
The present application relates to the field of communications technologies, and in particular, to a method and an apparatus for detecting an interface.
Background
In the data communication process, with the rise of services sensitive to link quality, such as voice services and video services, users not only care about the connection and disconnection of links, but also pay attention to the link quality. Factors such as transmission delay, jitter, packet loss, etc. may be used to reflect link quality.
At present, an interface state of a network device and link quality from an interface to an opposite terminal are maintained by two independent modules, when a network topology state needs to be obtained, information such as link on-off, bandwidth and the like can be respectively obtained from the module for maintaining the interface state, a Network Quality Analysis (NQA) detection result is obtained from the module for maintaining the link quality, the link quality is determined according to the NQA detection result, and then the interface state and the link quality are associated to obtain the network topology state.
However, in the existing NQA detection process, a set of NQA parameters needs to be configured for each link, that is, parameters such as a source address and a destination address of each set of NQA detection need to be specified, which is complicated to configure. After the interface state and the NQA detection result are obtained, the NQA detection result and the interface state need to be logically associated through a matching rule established manually, so that the method for obtaining the network topology state in the prior art is complex.
Disclosure of Invention
In view of this, embodiments of the present application provide an interface detection method and apparatus to solve the problem that a method for acquiring a network topology state in the prior art is complex. The specific technical scheme is as follows:
in a first aspect, the present application provides an interface detection method, where the method is applied to a network device, and the method includes:
when Address Resolution Protocol (ARP) information is acquired through an interface of the network equipment, a Network Quality Analysis (NQA) detection task is established for the interface according to the ARP information;
performing the NQA probing task;
and storing the NQA detection result obtained after the NQA detection task is executed in the interface attribute information of the interface.
In one possible implementation, the ARP information includes an internet protocol, IP, address of a peer network device in communication with the interface; the establishing of the NQA detection task for the interface according to the ARP information comprises the following steps:
and referring to a pre-configured global NQA template, and adding a source IP address and a destination IP address of the NQA detection task in the global NQA template to generate the NQA detection task, wherein the source IP address is the IP address of the interface, the destination IP address is the IP address of the opposite-end network equipment, and the global NQA template comprises detection information shared by all interfaces of the network equipment.
In a possible implementation manner, the NQA detection result is link quality information of a link between the interface and the peer network device; after the NQA detection result obtained after the NQA detection task is executed is stored in the interface attribute information of the interface, the method further comprises the following steps:
when an interface query instruction is received, querying interface attribute information of the interface, wherein the interface attribute information comprises interface state of the interface and link quality information.
In one possible implementation, the method further includes:
terminating the NQA probing task when the ARP information is aged.
In a second aspect, an interface detection apparatus according to an embodiment of the present application is applied to a network device, and the apparatus includes:
the network equipment comprises a creating module, a detecting module and a processing module, wherein the creating module is used for creating a Network Quality Analysis (NQA) detection task for an interface according to ARP information when the ARP information is acquired through the interface of the network equipment;
the execution module is used for executing the NQA detection task created by the creation module;
and the storage module is used for storing the NQA detection result obtained after the execution module executes the NQA detection task in the interface attribute information of the interface.
In one possible implementation, the ARP information includes an internet protocol, IP, address of a peer network device in communication with the interface;
the creating module is specifically configured to refer to a pre-configured global NQA template, and add a source IP address and a destination IP address of the NQA detection task to the global NQA template to generate the NQA detection task, where the source IP address is an IP address of the interface, the destination IP address is an IP address of the peer network device, and the global NQA template includes detection information common to each interface of the network device.
In a possible implementation manner, the NQA detection result is link quality information of a link between the interface and the peer network device; the device further comprises:
and the query module is used for querying the interface attribute information of the interface when receiving an interface query instruction, wherein the interface attribute information comprises the interface state of the interface and the link quality information.
In one possible implementation, the execution module is further configured to terminate the NQA detection task when the ARP information is aged.
In a third aspect, an embodiment of the present application provides a network device, where the network device includes: a processor and a machine-readable storage medium storing machine-executable instructions executable by the processor, the processor being caused by the machine-executable instructions to: the method described in the first aspect is implemented.
In a fourth aspect, the present application further provides a computer-readable storage medium, in which a computer program is stored, and the computer program, when executed by a processor, implements the method in the first aspect.
In a fifth aspect, embodiments of the present application further provide a computer program product containing instructions, which when executed on a computer, cause the computer to perform the method described in the first aspect.
By adopting the interface detection method provided by the embodiment of the application, when the ARP information is acquired through the interface of the network equipment, the NQA detection task can be created for the interface according to the ARP information, the NQA detection task is executed, and the NQA detection result obtained after the NQA detection task is executed is stored in the interface attribute information of the interface. Therefore, the NQA detection tasks can be created for the interface according to the ARP information, the work of manually setting the source address and the destination address for each NQA detection task is omitted, and the creation method is simpler. In addition, the NQA detection result obtained in the embodiment of the application is stored in the interface attribute information, namely, the NQA detection result is associated with the interface information, so that when the network topology state needs to be obtained, the interface state and the NQA detection result can be obtained from the interface attribute information, the interface state of each interface does not need to be manually associated with the NQA detection result, and the method for obtaining the network topology state is simpler, more convenient and faster.
Of course, not all advantages described above need to be achieved at the same time in the practice of any one product or method of the present application.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a flowchart of an interface detection method according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of an interface detecting device according to an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of a network device according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
An embodiment of the present application provides an interface detection method, as shown in fig. 1, the method includes:
s101, when Address Resolution Protocol (ARP) information is acquired through an interface of a Network device, a Network Quality Analysis (NQA) detection task is established for the interface according to the ARP information.
In the embodiment of the present application, a global NQA template may be configured in advance for the network device, where the global NQA template includes probe information common to each interface of the network device, but does not include a source address and a destination address of the probe.
When the network device establishes network connection with other network devices and the interface of the network device acquires the ARP information of other network devices, the pre-configured global NQA template can be referred to, and the source IP address and the destination IP address are added in the global NQA template to generate an NQA detection task.
The ARP information includes an Internet Protocol (IP) Address and a Media Access Control (MAC) Address of the peer network device.
The source IP address is an IP address of an interface of the network device, and the destination IP address is an IP address of the opposite-end network device, that is, an IP address obtained from the ARP information.
It will be appreciated that upon adding the source IP address and the destination IP address to the NQA template, an NQA probing task for the interface may be generated. The NQA detection task is used to detect the link quality between the source IP address and the destination IP address.
And S102, executing an NQA detection task.
In a possible implementation manner, the NQA detection in the embodiment of the present application may adopt a User Datagram Protocol (UDP) -jitter (jitter) processing mechanism, and a specific implementation method of the UDP-jitter processing mechanism may refer to the prior art and is not described herein again.
It will be appreciated that the NQA probing task may be terminated when the ARP information ages, indicating that the interface has disconnected from the peer network device.
S103, storing an NQA detection result obtained after the NQA detection task is executed in interface attribute information of the interface.
The NQA detection result is link quality information of a link between the interface and the peer network device, where the link quality information may specifically include information such as service delay, delay jitter, and packet loss rate.
It is understood that, since the aforementioned NQA probing task is triggered by an interface of a network device, the resulting NQA probing result may be stored in interface attribute information of the interface.
By adopting the interface detection method provided by the embodiment of the application, when the ARP information is acquired through the interface of the network equipment, the NQA detection task can be created for the interface according to the ARP information, the NQA detection task is executed, and the NQA detection result obtained after the NQA detection task is executed is stored in the interface attribute information of the interface. Therefore, the NQA detection tasks can be created for the interface according to the ARP information, the work of manually setting the source address and the destination address for each NQA detection task is omitted, and the creation method is simpler. In addition, the NQA detection result obtained in the embodiment of the application is stored in the interface attribute information, namely, the NQA detection result is associated with the interface information, so that when the network topology state needs to be obtained, the interface state and the NQA detection result can be obtained from the interface attribute information, the interface state of each interface does not need to be manually associated with the NQA detection result, and the method for obtaining the network topology state is simpler, more convenient and faster.
It is understood that after the method flow shown in fig. 1 is executed, when an interface query instruction is received, interface attribute information of the interface may be queried, where the interface attribute information includes interface status and link quality information.
In the prior art, the interface state and the link quality information are respectively stored in different registers, so after the interface state and the link quality information are obtained, the interface state and the link quality information need to be associated through a certain mapping rule.
In this embodiment of the application, the interface query instruction may be a command line input by an operation and maintenance worker, or a Network Configuration Protocol (NETCONF) message sent by an upper management system.
Corresponding to the above method embodiment, an embodiment of the present application further provides an interface detecting apparatus, which is applied to a network device, and as shown in fig. 2, the apparatus includes: a creation module 201, an execution module 202, and a storage module 203.
A creating module 201, configured to create, when address resolution protocol ARP information is obtained through an interface of a network device, a network quality analysis NQA detection task for the interface according to the ARP information;
an execution module 202, configured to execute the NQA detection task created by the creation module 201;
the storage module 203 is configured to store the NQA detection result obtained after the execution module 202 executes the NQA detection task in the interface attribute information of the interface.
The ARP information comprises an Internet Protocol (IP) address of opposite-end network equipment communicating with the interface;
the creating module 201 is specifically configured to refer to a pre-configured global NQA template, and add a source IP address and a destination IP address of an NQA detection task in the global NQA template to generate the NQA detection task, where the source IP address is an IP address of an interface, the destination IP address is an IP address of an opposite-end network device, and the global NQA template includes detection information shared by interfaces of the network device.
Wherein, the NQA detection result is the link quality information of the link between the interface and the opposite terminal network equipment. Optionally, the apparatus further comprises: and (5) a query module.
And the query module is used for querying the interface attribute information of the interface when receiving the interface query instruction, wherein the interface attribute information comprises the interface state and the link quality information of the interface.
Optionally, the execution module 202 is further configured to terminate the NQA detection task when the ARP information is aged.
The embodiment of the present application further provides a network device, as shown in fig. 3, which includes a processor 301, a communication interface 302, a memory 303, and a communication bus 304, where the processor 301, the communication interface 302, and the memory 303 complete mutual communication through the communication bus 304,
a memory 303 for storing a computer program;
the processor 301 is configured to implement the steps performed by the network device in the above method embodiments when executing the program stored in the memory 303.
The communication bus mentioned in the network device may be a Peripheral Component Interconnect (PCI) bus, an Extended Industry Standard Architecture (EISA) bus, or the like. The communication bus may be divided into an address bus, a data bus, a control bus, etc. For ease of illustration, only one thick line is shown, but this does not mean that there is only one bus or one type of bus.
The communication interface is used for communication between the network device and other devices.
The Memory may include a Random Access Memory (RAM) or a Non-Volatile Memory (NVM), such as at least one disk Memory. Optionally, the memory may also be at least one memory device located remotely from the processor.
The Processor may be a general-purpose Processor, including a Central Processing Unit (CPU), a Network Processor (NP), and the like; but also Digital Signal Processors (DSPs), Application Specific Integrated Circuits (ASICs), Field Programmable Gate Arrays (FPGAs) or other Programmable logic devices, discrete Gate or transistor logic devices, discrete hardware components.
In yet another embodiment provided by the present application, a computer-readable storage medium is further provided, in which a computer program is stored, and the computer program, when executed by a processor, implements the steps of any of the above-mentioned interface detection methods.
In yet another embodiment provided by the present application, there is also provided a computer program product containing instructions which, when run on a computer, cause the computer to perform any of the interface detection methods of the above embodiments.
In the above embodiments, the implementation may be wholly or partially realized by software, hardware, firmware, or any combination thereof. When implemented in software, may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When loaded and executed on a computer, cause the processes or functions described in accordance with the embodiments of the application to occur, in whole or in part. The computer may be a general purpose computer, a special purpose computer, a network of computers, or other programmable device. The computer instructions may be stored in a computer readable storage medium or transmitted from one computer readable storage medium to another, for example, from one website site, computer, server, or data center to another website site, computer, server, or data center via wired (e.g., coaxial cable, fiber optic, Digital Subscriber Line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.). The computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device, such as a server, a data center, etc., that incorporates one or more of the available media. The usable medium may be a magnetic medium (e.g., floppy Disk, hard Disk, magnetic tape), an optical medium (e.g., DVD), or a semiconductor medium (e.g., Solid State Disk (SSD)), among others.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
All the embodiments in the present specification are described in a related manner, and the same and similar parts among the embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, as for the apparatus embodiment, since it is substantially similar to the method embodiment, the description is relatively simple, and for the relevant points, reference may be made to the partial description of the method embodiment.
The above description is only for the preferred embodiment of the present application, and is not intended to limit the scope of the present application. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application are included in the protection scope of the present application.
Claims (8)
1. An interface detection method, applied to a network device, the method comprising:
when Address Resolution Protocol (ARP) information is acquired through an interface of the network equipment, a Network Quality Analysis (NQA) detection task is established for the interface according to the ARP information; the ARP information comprises an Internet Protocol (IP) address of an opposite terminal network device communicating with the interface;
performing the NQA probing task;
storing an NQA detection result obtained after the NQA detection task is executed in interface attribute information of the interface;
the establishing of the NQA detection task for the interface according to the ARP information comprises the following steps:
and referring to a pre-configured global NQA template, and adding a source IP address and a destination IP address in the global NQA template to generate the NQA detection task, wherein the source IP address is the IP address of the interface, the destination IP address is the IP address of the opposite-end network equipment, and the global NQA template comprises detection information shared by all the interfaces of the network equipment.
2. The method of claim 1, wherein the NQA probe result is link quality information of a link between the interface and a peer network device; after the NQA detection result obtained after the NQA detection task is executed is stored in the interface attribute information of the interface, the method further comprises the following steps:
when an interface query instruction is received, the interface attribute information of the interface is queried, wherein the interface attribute information comprises the interface state of the interface and the link quality information.
3. The method of claim 1, further comprising:
terminating the NQA probing task when the ARP information is aged.
4. An interface detection apparatus, applied to a network device, the apparatus comprising:
the network equipment comprises a creating module, a detecting module and a processing module, wherein the creating module is used for creating a Network Quality Analysis (NQA) detection task for an interface according to ARP information when the ARP information is acquired through the interface of the network equipment; the ARP information comprises an Internet Protocol (IP) address of an opposite terminal network device communicating with the interface;
the execution module is used for executing the NQA detection task created by the creation module;
a storage module, configured to store an NQA detection result obtained after the execution module executes the NQA detection task in the interface attribute information of the interface;
the creating module is specifically configured to refer to a pre-configured global NQA template, and add a source IP address and a destination IP address of the NQA detection task to the global NQA template to generate the NQA detection task, where the source IP address is an IP address of the interface, the destination IP address is an IP address of the peer network device, and the global NQA template includes detection information common to each interface of the network device.
5. The apparatus of claim 4, wherein the NQA detection result is link quality information of a link between the interface and a peer network device; the device further comprises:
and the query module is used for querying the interface attribute information of the interface when receiving an interface query instruction, wherein the interface attribute information comprises the interface state of the interface and the link quality information.
6. The apparatus of claim 4,
the execution module is further configured to terminate the NQA detection task when the ARP information is aged.
7. A network device comprising a processor and a machine-readable storage medium storing machine-executable instructions executable by the processor, the processor being caused by the machine-executable instructions to: carrying out the method steps of any one of claims 1 to 3.
8. A machine-readable storage medium having stored thereon machine-executable instructions that, when invoked and executed by a processor, cause the processor to: carrying out the method steps of any one of claims 1 to 3.
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| US20140376391A1 (en) * | 2013-06-25 | 2014-12-25 | Vonage Network, Llc | Systems and methods of routing ip telephony data packet communications |
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