CN112187354B - Stability testing method and system based on multiple ONU (optical network Unit) devices - Google Patents
Stability testing method and system based on multiple ONU (optical network Unit) devices Download PDFInfo
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- CN112187354B CN112187354B CN202011049361.7A CN202011049361A CN112187354B CN 112187354 B CN112187354 B CN 112187354B CN 202011049361 A CN202011049361 A CN 202011049361A CN 112187354 B CN112187354 B CN 112187354B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/075—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal
- H04B10/079—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using an in-service signal using measurements of the data signal
- H04B10/0795—Performance monitoring; Measurement of transmission parameters
Abstract
The invention discloses a stability testing method and system based on multiple ONU devices. The method comprises the steps that through the construction of a system frame, an IxChariot network test software tool is pre-installed on a first test PC; configuring a plurality of virtual network cards with VLAN labels according to the physical network card of the first test PC; dividing a plurality of VLANs according to the network ports of the first switch; connecting a first switch network port to a first test PC in an uplink mode, and connecting the first switch network port to a plurality of ONU optical network units in a downlink mode; connecting a plurality of ONU optical network units to an optical link terminal OLT through an optical distribution network ODN; connecting an upper connection port of an optical link terminal OLT to a first test PC; running an IxChariot network test software tool on a first test PC; creating data streams flowing through a plurality of ONU optical network units for a plurality of virtual network cards with VLAN labels; and judging the operation stability of the system according to the operation result of the data stream. The stability testing method based on the multiple ONU equipment can test multiple ONU equipment in batch and has low cost.
Description
Technical Field
The invention relates to the technical field of network communication, in particular to a stability testing method and system based on multiple ONU (optical network unit) devices.
Background
Currently, optical communication is the main transmission mode of various communication networks, and an access network is used as a layer closest to a user end and mainly adopts an optical fiber access technology, namely a Passive Optical Network (PON). In the passive optical network, an Optical Link Terminal (OLT) is connected with a plurality of Optical Network Units (ONUs) through an Optical Distribution Network (ODN), thereby providing network access service for thousands of households. For the ONU product, in order to ensure that the current network can provide stable broadband service for users during actual deployment and operation, batch tests are performed in both development and mass production stages, so as to verify the long-term stability of the batch ONUs, such as disconnection, restart, service interruption, and the like.
When the batch stability is tested for a long time, dozens of ONU-ONU units are required to be connected to the same PON port of the OLT-OLT for testing. In the prior art, a professional throughput tester is adopted and connected to each ONU through a switch expansion interface, so that each ONU simultaneously carries a certain data traffic. This approach has the following disadvantages: 1) professional throughput testers are expensive; 2) long-time batch stability testing, one or two weeks for short and one or two months for long, generally speaking, other tasks require the use of instruments; 3) when the ethernet tester is not used for long-time batch stability, the throughput testing method in the prior art is limited by the number of computers (the number of network cards) and the like, so that only a few ONUs simultaneously bear data traffic, or even no ONUs bear data traffic, and the expected testing effect cannot be achieved.
Disclosure of Invention
Aiming at the defects, the embodiment of the invention provides a stability test and system based on multi-ONU equipment, which are used for solving the problems in the prior art.
In a first aspect, an embodiment of the present invention provides a method for testing stability based on multiple ONU devices, where the method includes: constructing a system framework of a first test PC, a first switch, an ONU optical network unit, an optical distribution network ODN and an optical link terminal OLT, comprising the following steps:
pre-installing an IxChariot network test software tool on the first test PC;
configuring a plurality of virtual network cards with VLAN labels according to the physical network card of the first test PC;
dividing a plurality of VLANs according to the network ports of the first switch;
connecting the first switch network port to the first test PC in an upstream mode, and connecting the first switch network port to a plurality of ONU optical network units in a downstream mode;
connecting a plurality of ONU optical network units to the optical link terminal OLT through the optical distribution network ODN;
connecting an uplink port of the optical link terminal OLT to the first test PC;
running the IxChariot network test software tool on the first test PC;
creating data streams flowing through the ONU optical network units for the virtual network cards with the VLAN labels;
and judging the operation stability of the system according to the operation result of the data stream.
Preferably, the method further comprises:
constructing a system framework of a second switch, the first test PC, the first switch, the ONU optical network unit, the optical distribution network ODN and the optical link terminal OLT, comprising:
dividing a plurality of VLANs according to the network port of the second switch
Connecting the second switch in cascade with the first switch;
and connecting the first switch network port to the first test PC in an uplink mode, and connecting the ONU optical network units to the first switch network port or the second switch network port.
Preferably, the method further comprises:
constructing a system framework of a second test PC, the first switch, the second switch, the ONU, the ODN and the OLT, comprising:
pre-installing an IxChariot network test software tool on the second test PC;
connecting the second switch in cascade with the first switch;
connecting the first switch network port to the first test PC in an upstream mode, and connecting the ONU optical network units to the first switch network port or the second switch network port;
connecting a plurality of ONU optical network units to the optical link terminal OLT through the optical distribution network ODN;
and connecting an uplink port of the optical link terminal OLT to the second test PC.
Preferably, the method further comprises
Disconnecting the cascade connection between the second switch and the first switch;
connecting the second switch and the first switch to the first test PC, respectively.
Preferably, the first test PC comprises at least two physical network cards.
Preferably, the first test PC and the second test PC each include at least one physical network card.
Preferably, a plurality of the ONU optical network units may access the optical link terminal OLT through EPON technology or GPON technology.
Preferably, the ONU optical network unit is connected to the optical link terminal OLT through the optical distribution network ODN; and the ONU optical network unit is connected with the first switch through a network cable.
In a second aspect, an embodiment of the present invention provides a stability testing system based on multiple ONU devices, where the apparatus includes: the system comprises at least one test PC, a plurality of switches, a plurality of ONU optical network units, an optical distribution network ODN and an optical link terminal OLT; a plurality of the switches are connected in cascade; the plurality of optical network units are connected to a test PC through a plurality of interaction machines; the ONU optical network units are connected to the optical link terminal OLT through the optical distribution network ODN, the optical link terminal OLT is connected with the test PC, and the test PC is used for simulating the sending of the downlink data flow of the receiver of the user uplink data flow.
In summary, the embodiments of the present invention provide a method and a system for testing stability based on multiple ONU devices, where the method and the system construct a system framework of a first test PC, a first switch, an ONU optical network unit, an optical distribution network ODN, and an optical link terminal OLT, and include: pre-installing an IxChariot network test software tool on the first test PC; configuring a plurality of virtual network cards with VLAN labels according to the physical network card of the first test PC; dividing a plurality of VLANs according to the network ports of the first switch; connecting the first switch network port to the first test PC in an upstream mode, and connecting the first switch network port to a plurality of ONU optical network units in a downstream mode; connecting a plurality of ONU optical network units to the optical link terminal OLT through the optical distribution network ODN; connecting an uplink port of the optical link terminal OLT to the first test PC; running the IxChariot network test software tool on the first test PC; creating data streams flowing through the ONU optical network units for the virtual network cards with the VLAN labels; and judging the operation stability of the system according to the operation result of the data stream. The invention utilizes the exchanger to expand the test net mouth to connect to each optical network unit ONU, and the network mouth of the test PC is connected and aggregated; the other network port of the test PC is connected to the upstream port of the optical link termination OLT. And forming stream between PC network ports by matching with Ixchoriot test software on a test PC, so that each Optical Network Unit (ONU) can bear a data flow mode to carry out batch test on a plurality of ONU devices. Therefore, the invention can test a plurality of ONU devices in batch, and has low cost and high reliability.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below, 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 a stability testing method based on multiple ONU devices in an embodiment of the present invention;
fig. 2 is a flowchart of a stability testing method based on a multi-ONU device according to another embodiment of the present invention;
fig. 3 is a schematic structural diagram of a stability testing method based on multiple ONU devices in the first embodiment of the present invention;
fig. 4 is a schematic structural diagram of a stability testing method based on multiple ONU devices according to a second embodiment of the present invention;
fig. 5 is a schematic structural diagram of a stability testing method based on multiple ONU devices in a third embodiment of the present invention;
fig. 6 is a schematic structural diagram of a stability testing method based on multiple ONU devices in a fourth embodiment of the present invention.
Detailed Description
Features and exemplary embodiments of various aspects of the present invention will be described in detail below, and in order to make objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention. It will be apparent to one skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the present invention by illustrating examples of the present invention.
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 … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Example one
Referring to fig. 1 to 3, an embodiment of the present invention provides a stability testing method based on multiple ONU devices, where the stability testing method based on multiple ONU devices utilizes a switch to extend a testing network port to connect to each ONU of an optical network unit, and aggregates the testing network port to a network port of a testing PC in an upstream manner; the other network port of the test PC is connected to the upstream port of the optical link termination OLT. And forming stream between PC network ports by matching with Ixchoriot test software on a test PC, so that each Optical Network Unit (ONU) can bear a data flow mode to carry out batch test on a plurality of ONU devices. Therefore, the invention can carry out batch test on a plurality of ONU equipment and has low cost.
The method comprises the following steps:
s1, constructing a system framework of the first test PC1, the first switch 2, the ONU optical network unit 3, the optical distribution network ODN4, and the optical link terminal OLT5, including:
s11, pre-installing an IxChariot network test software tool on the first test PC 1;
specifically, the working principle of the IxChariot network testing software tool is as follows: the performance of the network device and system under real load conditions is predicted by simulating real application data streams. The IxChariot network test software tool provides an exhaustive network performance assessment and device testing by simulating hundreds of protocols on thousands of network nodes for evaluating performance characteristics of various applications running on a wired or wireless network.
S12, configuring a plurality of virtual network cards with VLAN labels according to the physical network card of the first test PC 1;
preferably, in this embodiment, a virtual network card is used to establish a local area network between the first test PC1 and the first switch 2 and the optical link termination OLT 5.
S13, dividing a plurality of VLANs according to the network ports of the first switch 2;
preferably, the present embodiment defines some ports of the first switch 2 as a VLAN by dividing VLANs based on the ports of the first switch 2. In another preferred embodiment, the division of the virtual local area network may be implemented by a MAC address or a network layer, which is not specifically limited herein.
S14, connecting the first switch 2 port to the first test PC1 upstream, and connecting the first switch 2 port to a plurality of ONU optical network units 3 downstream;
in this embodiment, the plurality of ports of the first switch 2 correspond to the first test PC1 and the plurality of ONU optical network units one to one. In the embodiment, the virtual network cards with VLAN tags are divided by matching with the network ports VLAN of the first switch 2, so that one physical network card on the first test PC can be connected to a plurality of ONU optical network units; meanwhile, one virtual network card corresponds to one ONU optical network unit, so that the IP address acquired by the virtual network card is acquired by the connected ONU optical network unit, and the data stream created by the IxChariot network test software tool passes through the respective ONU optical network unit, thereby ensuring that each ONU optical network unit can bear certain data flow and improving the stability and reliability of system test.
S15, connecting the plurality of ONU optical network units 3 to the optical link terminal OLT5 through the optical distribution network ODN 4;
preferably, the optical distribution network ODN specifically includes an optical fiber and an optical splitter; the optical splitter is connected with the optical link terminal OLT through optical fibers, and the optical splitter is connected to a plurality of ONU optical network units.
S16, connecting the upstream port of the optical link termination OLT5 to the first test PC 1;
preferably, the ONU optical network unit 3 is connected to the optical link terminal OLT5 through the optical distribution network ODN 4; the ONU optical network unit 3 is connected to the first switch 1 via a network cable.
S2, running the IxChariot network test software tool on the first test PC 1;
s3, creating data streams flowing through the ONU optical network units 3 for the virtual network cards with the VLAN labels;
preferably, through an ixchar network test software tool, data streams flowing through multiple ONU optical network units 3 between the physical network card IP address and multiple virtual network card IP addresses in the first test PC1 can be created at the same time, so as to simulate uplink data and downlink data when multiple homes are on the internet when an optical fiber network is used, so as to test the stability of system operation.
And S4, judging the operation stability of the system according to the operation result of the data stream.
In this embodiment, the operation result of the data stream is compared with an ideal value, and the error rate and the frame error rate of the data stream are detected to determine the operation stability of the system.
In a preferred embodiment, referring to fig. 4, the method further comprises:
constructing a system framework of a second switch 6, the first test PC1, the first switch 2, the ONU optical network units 3, the optical distribution network ODN4 and the optical link termination OLT5, including:
dividing a plurality of VLANs according to the network ports of the second switch 6
Connecting the second switch 6 in cascade with the first switch 5;
and connecting the first switch 2 network port to the first test PC1 in an upstream mode, and connecting the ONU optical network units 3 to the first switch 2 network port or the second switch 6 network port. It can be understood that, in this embodiment, the second switch 6 is connected in cascade with the first switch 2, and the corresponding virtual network card is configured on the first test PC1, so that the number of the ONU optical network units that are accessed can be further expanded, thereby expanding the test sample and improving the test accuracy.
In a preferred embodiment, referring to fig. 5, the method further comprises:
constructing a system framework of a second test PC7, the first test PC1, the first switch 2, the second switch 6, the ONU 3, the optical distribution network ODN4 and the optical link termination OLT5, comprising:
pre-installing an IxChariot network test software tool on the second test PC 7;
connecting the second switch 6 in cascade with the first switch 2;
connecting the first switch 2 network port to the first test PC1 in an upstream mode, and connecting a plurality of ONU optical network units 3 to the first switch 2 network port or the second switch 6 network port;
connecting a plurality of ONU optical network units 3 to the optical link terminal OLT5 through the optical distribution network ODN 4;
the upstream port of the optical link termination OLT5 is connected to the second test PC 7.
In a preferred embodiment, referring to fig. 6, the method further comprises
Disconnecting the cascade connection between the second switch 6 and the first switch 2;
the second switch 6 and the first switch 2 are each connected to the first test PC 1. When two test PCs are used, on the first test PC1, a data stream flowing to the second test PC7 and flowing through a plurality of ONU optical network units 3 is created for each virtual network card; a data stream flowing to the first test PC1 and through a plurality of ONU optical network units is created on the second test PC 7. It can be understood that the second testing PC7 and the first testing PC1 work together to simulate uplink data and downlink data of a plurality of households when the optical fiber network is used, and play an expanding role at the same time.
Preferably, the first test PC comprises at least two physical network cards.
Preferably, the first test PC and the second test PC each include at least one physical network card. The first switch is connected to the first test PC, and a virtual network card with a VLAN tag is configured, so that the first switch and the VLAN tag can be connected to a plurality of ONU optical network units. For example, if two physical network cards are provided on the first test PC, a virtual network card with a VLAN tag is configured for one of the physical network cards, and the other physical network card is used for accessing the optical link terminal OLT; for example, the first test PC has three physical network cards, two of the physical network cards may be configured with a virtual network card with a VLAN tag, or only one of the physical network cards may be configured with a virtual network card with a VLAN tag. It is understood that, in this embodiment, the number of the test PCs and the switches is not particularly limited, and may be set by themselves as needed.
Preferably, a plurality of the ONU optical network units 3 may access the optical link terminal OLT5 by EPON technology or GPON technology. It is understood that EPON is a PON technology based on ethernet, employing point-to-multipoint architecture, passive fiber transmission, providing multiple services over ethernet. The GPON technology is a latest generation broadband passive optical integrated access standard based on ITU-T G.984.x standard, and has the advantages of high bandwidth, high efficiency, large coverage area, rich user interfaces and the like. In this embodiment, when the EPON technology is adopted, the maximum number of ONU optical network units does not exceed 64; when the GPON technology is adopted, the maximum number of ONU optical network units does not exceed 128.
Example two
The invention also discloses a system, which comprises at least one test PC, a plurality of switches, a plurality of ONU optical network units, an optical distribution network ODN and an optical link terminal OLT; a plurality of the switches are connected in cascade; the plurality of optical network units are connected to a test PC through a plurality of interaction machines; the ONU optical network units are connected to the optical link terminal OLT through the optical distribution network ODN, the optical link terminal OLT is connected with the test PC, and the test PC is used for simulating the sending of the downlink data flow of the receiver of the user uplink data flow.
In summary, the stability test method based on multiple ONU devices provided by the present invention utilizes the switch to extend the test network port to connect to each ONU, and to connect to the network port of the test PC; the other network port of the test PC is connected to the upstream port of the optical link termination OLT. And forming stream between PC network ports by matching with Ixchoriot test software on a test PC, so that each Optical Network Unit (ONU) can bear a data flow mode to carry out batch test on a plurality of ONU devices. Therefore, the invention can carry out batch test on a plurality of ONU equipment and has low cost.
It should also be noted that the exemplary embodiments mentioned in this patent describe some methods or systems based on a series of steps or devices. However, the present invention is not limited to the order of the above-described steps, that is, the steps may be performed in the order mentioned in the embodiments, may be performed in an order different from the order in the embodiments, or may be performed simultaneously.
As described above, only the specific embodiments of the present invention are provided, and it can be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working processes of the system, the module and the unit described above may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again. It should be understood that the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive various equivalent modifications or substitutions within the technical scope of the present invention, and these modifications or substitutions should be covered within the scope of the present invention.
Claims (7)
1. A stability test method based on multiple ONU devices is characterized by comprising the following steps:
constructing a system framework of a first test PC, a first switch, an ONU optical network unit, an optical distribution network ODN and an optical link terminal OLT, comprising the following steps:
pre-installing an IxChariot network test software tool on the first test PC;
configuring a plurality of virtual network cards with VLAN labels according to the physical network card of the first test PC;
dividing a plurality of VLANs according to the network ports of the first switch;
connecting the first switch network port to the first test PC in an upstream mode, and connecting the first switch network port to a plurality of ONU optical network units in a downstream mode;
connecting a plurality of ONU optical network units to the optical link terminal OLT through the optical distribution network ODN;
connecting an uplink port of the optical link terminal OLT to the first test PC;
running the IxChariot network test software tool on the first test PC;
creating data streams flowing through the ONU optical network units for the virtual network cards with the VLAN labels;
judging the operation stability of the system according to the operation result of the data stream;
constructing a system framework of a second switch, the first test PC, the first switch, the ONU optical network unit, the optical distribution network ODN and the optical link terminal OLT, comprising:
dividing a plurality of VLANs according to the network port of the second switch
Connecting the second switch in cascade with the first switch;
connecting the first switch network port to the first test PC in an upstream mode, and connecting the ONU optical network units to the first switch network port or the second switch network port;
the first test PC at least comprises two physical network cards.
2. The method for testing stability of a multi-ONU device according to claim 1, further comprising:
constructing a system framework of a second test PC, the first switch, the second switch, the ONU, the ODN and the OLT, comprising:
pre-installing an IxChariot network test software tool on the second test PC;
connecting the second switch in cascade with the first switch;
connecting the first switch network port to the first test PC in an upstream mode, and connecting the ONU optical network units to the first switch network port or the second switch network port;
connecting a plurality of ONU optical network units to the optical link terminal OLT through the optical distribution network ODN;
and connecting an uplink port of the optical link terminal OLT to the second test PC.
3. The method for stability testing based on multiple ONU devices of claim 2, wherein said method further comprises
Disconnecting the cascade connection between the second switch and the first switch;
connecting the second switch and the first switch to the first test PC, respectively.
4. The multi-ONU device-based stability testing method according to claim 2, wherein at least one of said first test PC and said second test PC comprises one of said physical network cards.
5. The method for testing the stability of the multi-ONU-device-based device according to claim 1, wherein a plurality of the ONU optical network units can access the optical link terminal OLT through EPON technology or GPON technology.
6. The method according to claim 1, wherein the ONU optical network unit is connected to the optical link termination OLT through the optical distribution network ODN; and the ONU optical network unit is connected with the first switch through a network cable.
7. A stability test system based on multi-ONU equipment comprises the stability test method based on multi-ONU equipment of any one of claims 1-6, and is characterized in that the system comprises at least one test PC, a plurality of switches, a plurality of ONU optical network units, an optical distribution network ODN and an optical link terminal OLT; a plurality of the switches are connected in cascade; the plurality of optical network units are connected to a test PC through the plurality of switches; the ONU optical network units are connected to the optical link terminal OLT through the optical distribution network ODN, the optical link terminal OLT is connected with the test PC, and the test PC is used for simulating the sending of user uplink data flow and receiver downlink data flow.
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