CN109547111A - A kind of SFP optical module and its method for inhibiting broadcast storm - Google Patents
A kind of SFP optical module and its method for inhibiting broadcast storm Download PDFInfo
- Publication number
- CN109547111A CN109547111A CN201910014224.0A CN201910014224A CN109547111A CN 109547111 A CN109547111 A CN 109547111A CN 201910014224 A CN201910014224 A CN 201910014224A CN 109547111 A CN109547111 A CN 109547111A
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- laser
- optical module
- sfp optical
- programmable logic
- logic device
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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
- H04B10/40—Transceivers
-
- 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
-
- 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
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Small-Scale Networks (AREA)
- Optical Communication System (AREA)
Abstract
The present invention provides a kind of SFP optical modules, including golden finger, programmable logic device, laser-driven chip, emitting laser and receive laser, wherein, the programmable logic device passes through SERDES interface respectively, IIC interface is connect with the golden finger, the programmable logic device passes through SERDES interface respectively, IIC interface is connect with the laser-driven chip, the output end of the laser-driven chip is connect with the input terminal of the emitting laser, and the input terminal of the laser-driven chip is connect with the output end for receiving laser.The present invention also provides a kind of methods of the inhibition broadcast storm of SFP optical module.The beneficial effects of the present invention are: realizing the effect for inhibiting broadcast storm, and have the advantages that small in size and low in energy consumption.
Description
Technical field
The present invention relates to SFP optical module more particularly to a kind of SFP optical module and its methods of inhibition broadcast storm.
Background technique
Due to virus, the reasons such as network loop or network interface card damage are easy that network is made to form broadcast storm, to make entire
Network system paralysis.And the function that tradition has the interchanger of many non-network management and two layer-management interchangers not to have broadcast storm to inhibit
Can, it often will cause very serious loss in this way.
Summary of the invention
In order to solve the problems in the prior art, the present invention provides a kind of SFP optical module and its inhibit broadcast storm
Method.
The present invention provides a kind of SFP optical modules, including golden finger, programmable logic device, laser-driven chip, transmitting
Laser and reception laser, wherein the programmable logic device passes through SERDES interface, IIC interface and the gold respectively
Finger connection, the programmable logic device passes through SERDES interface respectively, IIC interface is connect with the laser-driven chip,
The output end of the laser-driven chip is connect with the input terminal of the emitting laser, the input terminal of the laser-driven chip
It is connect with the output end for receiving laser.
As a further improvement of the present invention, the model GN25L95 of the laser-driven chip, the programmable logic
The model LFE3-17EA-6MG328 of device.
As a further improvement of the present invention, the golden finger is connected with interchanger.
The present invention provides a kind of methods of the inhibition broadcast storm of SFP optical module, are based on SFP described in any of the above embodiments
Optical module follows the steps below: when interchanger sends out a data to SFP optical module, data are first carried out by programmable logic device
8B/10B conversion, is finally parsed into an Ethernet data bag, by source MAC, target MAC (Media Access Control) address, data length, the school CRC
It tests in the BUFF of deposit programmable logic device and is compared with next frame data, if the source MAC of continuous N number of data frame
Address, target MAC (Media Access Control) address, data length, CRC check is identical, then is judged to generating broadcast storm, by the data frame of the same hereinafter
It abandons, to have the function that inhibit broadcast storm.
As a further improvement of the present invention, 240 and 241 address bits inside the A2h of the EEPROM of SFP optical module are opened
The space for warding off a 16bytes is used to store N value.
As a further improvement of the present invention, user changes N value by IIC interface to reach different inhibitory effects.
The beneficial effects of the present invention are: through the above scheme, realizing the effect for inhibiting broadcast storm, and there is volume
Small and low in energy consumption advantage.
Detailed description of the invention
Fig. 1 is a kind of system block diagram of SFP optical module of the present invention.
Fig. 2 is a kind of circuit diagram of the golden finger of SFP optical module of the present invention.
Fig. 3 is a kind of circuit diagram of the programmable logic device of SFP optical module of the present invention.
Fig. 4 is a kind of circuit diagram of the laser-driven chip of SFP optical module of the present invention.
Specific embodiment
The invention will be further described for explanation and specific embodiment with reference to the accompanying drawing.
As shown in Figures 1 to 4, a kind of SFP optical module, including golden finger 1, programmable logic device (FPGA) 2, laser drive
Dynamic chip 3, emitting laser 4 and reception laser 5, wherein the programmable logic device 2 is gone here and there simultaneously by SERDES(respectively
Transmit-Receive Unit) interface, IIC interface connect with the golden finger 1, the programmable logic device 2 respectively by SERDES interface,
IIC interface is connect with the laser-driven chip 3, and the output end of the laser-driven chip 3 is defeated with the emitting laser 4
Enter end connection, the input terminal of the laser-driven chip 3 is connect with the output end for receiving laser 5.
As shown in Figures 1 to 4, the model GN25L95 of the laser-driven chip 3, the programmable logic device
Model LFE3-17EA-6MG328.
As shown in Figures 1 to 4, the golden finger 1 is connected with interchanger 6.
As shown in Figures 1 to 4, there are two SERDES(string and Transmit-Receive Units by the FPGA (programmable logic device 2) of selection)
Interface, the one SERDES mouthfuls golden fingers 1 for meeting SFP, is connected with equipment such as interchangers 6, another SERDES mouthfuls and Laser Driven
Chip 3(GN25L95) it is connected.
As shown in Figures 1 to 4, FPGA (programmable logic device 2) model are as follows: LFE3-17EA-6MG328, effect: 1.
Main data processing inhibits broadcast storm；2. a pair GN25L95B chip configures；3. according to sff-8024 protocol definition A0h
The address A2h.
As shown in Figures 1 to 4, the effect of laser-driven chip 3: Laser Driven and limited range enlargement function.
A kind of method of the inhibition broadcast storm of SFP optical module, based on SFP optical module described in any of the above embodiments carry out with
Lower step: when interchanger 6 sends out a data to SFP optical module, data first carry out 8B/ by FPGA (programmable logic device 2)
10B conversion, is finally parsed into an Ethernet data bag.By source MAC(physics) address, target MAC (Media Access Control) address, data length, CRC
Verification deposit BUFF(memory) in and with these parameters of next frame data comparison, if continuous these data phases of N number of data frame
Together, then it is judged to generating broadcast storm, the data frame of the same hereinafter is abandoned, thus have the function that inhibit broadcast storm, and
And in the EEPROM(Electrically Erasable Programmable Read-Only Memory of optical module) 240 and 241 address bits inside A2h open up one
The space (1Ch, 1Dh) of 16bytes is used to store N value, and user can change the value of N by IIC interface to reach different
Inhibitory effect.
A kind of SFP optical module provided by the invention and its method for inhibiting broadcast storm, realize and inhibit broadcast storm
Effect, and have the advantages that small in size and low in energy consumption, the present invention can extend a variety of applications, have a vast market foreground.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
Specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, exist
Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to of the invention
Protection scope.
Claims (6)
1. a kind of SFP optical module, it is characterised in that: swash including golden finger, programmable logic device, laser-driven chip, transmitting
Light device and reception laser, wherein the programmable logic device passes through SERDES interface, IIC interface and the golden hand respectively
Refer to connection, the programmable logic device passes through SERDES interface respectively, IIC interface is connect with the laser-driven chip, institute
The output end for stating laser-driven chip is connect with the input terminal of the emitting laser, the input terminal of the laser-driven chip with
The output end connection for receiving laser.
2. SFP optical module according to claim 1, it is characterised in that: the model of the laser-driven chip
GN25L95, the model LFE3-17EA-6MG328 of the programmable logic device.
3. SFP optical module according to claim 1, it is characterised in that: the golden finger is connected with interchanger.
4. a kind of method of the inhibition broadcast storm of SFP optical module, which is characterized in that be based on any one of claims 1 to 3 institute
The SFP optical module stated follows the steps below: when interchanger sends out a data to SFP optical module, data are first by programmable logic
Device carries out 8B/10B conversion, is finally parsed into an Ethernet data bag, by source MAC, target MAC (Media Access Control) address, data are long
Degree, CRC check are stored in the BUFF of programmable logic device and compare with next frame data, if continuous N number of data
The source MAC of frame, target MAC (Media Access Control) address, data length, CRC check is identical, then is judged to generating broadcast storm, will phase below
Same data frame abandons, to have the function that inhibit broadcast storm.
5. the method for the inhibition broadcast storm of SFP optical module according to claim 4, it is characterised in that: in SFP optical module
EEPROM A2h inside 240 and 241 address bits open up the space of a 16bytes and be used to store N value.
6. the method for the inhibition broadcast storm of SFP optical module according to claim 5, it is characterised in that: user passes through IIC
Interface changes N value to reach different inhibitory effects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910014224.0A CN109547111B (en) | 2019-01-08 | 2019-01-08 | Method for restraining broadcast storm of SFP optical module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910014224.0A CN109547111B (en) | 2019-01-08 | 2019-01-08 | Method for restraining broadcast storm of SFP optical module |
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| Publication Number | Publication Date |
|---|---|
| CN109547111A true CN109547111A (en) | 2019-03-29 |
| CN109547111B CN109547111B (en) | 2021-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910014224.0A Active CN109547111B (en) | 2019-01-08 | 2019-01-08 | Method for restraining broadcast storm of SFP optical module |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110798259A (en) * | 2019-11-04 | 2020-02-14 | 山东超越数控电子股份有限公司 | Optical module-based broadcast storm suppression method and device |
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| CN203039694U (en) * | 2013-01-29 | 2013-07-03 | 深圳市比洋光通信科技有限公司 | Optical transceiver with high transmission rate |
| CN103576258A (en) * | 2013-11-29 | 2014-02-12 | 索尔思光电（成都）有限公司 | CSFP (compact small form-factor pluggable) optical module integrating double GPON OLT (gigabit passive optical network optical line terminal) channels |
| CN105406920A (en) * | 2015-10-30 | 2016-03-16 | 武汉光迅科技股份有限公司 | Optical module supporting gigabit Ethernet protocol processing |
| US20180041277A1 (en) * | 2016-08-06 | 2018-02-08 | OE Solutions Co., Ltd. | Protected ethernet ring with small form-factor pluggable devices |
| CN107835067A (en) * | 2017-11-29 | 2018-03-23 | 长园深瑞继保自动化有限公司 | GOOSE message based on programming device receives storm suppressing method |
-
2019
- 2019-01-08 CN CN201910014224.0A patent/CN109547111B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203039694U (en) * | 2013-01-29 | 2013-07-03 | 深圳市比洋光通信科技有限公司 | Optical transceiver with high transmission rate |
| CN103576258A (en) * | 2013-11-29 | 2014-02-12 | 索尔思光电（成都）有限公司 | CSFP (compact small form-factor pluggable) optical module integrating double GPON OLT (gigabit passive optical network optical line terminal) channels |
| CN105406920A (en) * | 2015-10-30 | 2016-03-16 | 武汉光迅科技股份有限公司 | Optical module supporting gigabit Ethernet protocol processing |
| US20180041277A1 (en) * | 2016-08-06 | 2018-02-08 | OE Solutions Co., Ltd. | Protected ethernet ring with small form-factor pluggable devices |
| CN107835067A (en) * | 2017-11-29 | 2018-03-23 | 长园深瑞继保自动化有限公司 | GOOSE message based on programming device receives storm suppressing method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110798259A (en) * | 2019-11-04 | 2020-02-14 | 山东超越数控电子股份有限公司 | Optical module-based broadcast storm suppression method and device |
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| Publication number | Publication date |
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| CN109547111B (en) | 2021-06-08 |
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