CN113645160A - Domestic 24-port 6U _ CPCI three-layer gigabit network switching module - Google Patents
Domestic 24-port 6U _ CPCI three-layer gigabit network switching module Download PDFInfo
- Publication number
- CN113645160A CN113645160A CN202111043722.1A CN202111043722A CN113645160A CN 113645160 A CN113645160 A CN 113645160A CN 202111043722 A CN202111043722 A CN 202111043722A CN 113645160 A CN113645160 A CN 113645160A
- Authority
- CN
- China
- Prior art keywords
- network
- network switching
- packet
- port
- module
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 102100029368 Cytochrome P450 2C18 Human genes 0.000 title claims abstract description 26
- 101000919360 Homo sapiens Cytochrome P450 2C18 Proteins 0.000 title claims abstract description 26
- 230000004807 localization Effects 0.000 claims abstract description 5
- 238000005516 engineering process Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 5
- 238000013500 data storage Methods 0.000 claims description 3
- 238000007726 management method Methods 0.000 claims description 3
- 230000003044 adaptive effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/10—Packet switching elements characterised by the switching fabric construction
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/25—Routing or path finding in a switch fabric
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/30—Peripheral units, e.g. input or output ports
- H04L49/3009—Header conversion, routing tables or routing tags
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/60—Software-defined switches
- H04L49/602—Multilayer or multiprotocol switching, e.g. IP switching
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/09—Mapping addresses
- H04L61/10—Mapping addresses of different types
- H04L61/103—Mapping addresses of different types across network layers, e.g. resolution of network layer into physical layer addresses or address resolution protocol [ARP]
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The invention relates to a localization 24-port 6U _ CPCI three-layer gigabit network switching module, belonging to the technical field of network switching. The module is a 24-port 10M/100M/1000Mbps self-adaptive three-layer gigabit network switching module adopting a CPCI connector, can meet the network switching requirement among control devices, and is a 6U _ CPCI three-layer gigabit network switching module which is nationwide and has a network routing function. The module is provided with 24 10M/100M/1000Mbps self-adaptive gigabit network switching ports and has a network routing function; the network switching module can be configured in a command line mode through a debugging serial port of 2K1000, and the configuration comprises the speed of each port, full duplex/half duplex, network routing setting and the like.
Description
Technical Field
The invention belongs to the technical field of network switching, and particularly relates to a domestic 24-port 6U _ CPCI three-layer gigabit network switching module.
Background
The network switching technology is widely applied to the fields of military equipment, industrial equipment and the like, is an important means for information transmission, and equipment is interconnected through a gigabit Ethernet interface and a gigabit network switching module. In view of the factors of forbidden operation of imported components and the like, the network switching module is required to have the characteristics of localization and autonomous controllability.
Disclosure of Invention
Technical problem to be solved
The technical problem to be solved by the invention is as follows: how to design a 6U _ CPCI three-layer gigabit network switching module which meets the network switching requirement among control devices, is nationwide and has a network routing function.
(II) technical scheme
In order to solve the technical problem, the invention provides a localization 24-port 6U _ CPCI three-layer gigabit network switching module, which comprises a network switching chip KD5660 and a processor;
the 2K1000 is adopted as a processor to run a network layer protocol and is responsible for three-layer forwarding, an exchange chip KD5660 is configured according to the requirements of the protocol and management, and an MAC (media access control) table, an ARP (address resolution protocol) table and a routing table built in the exchange chip KD5660 are maintained; and the KD5660 is used as a network exchange chip and is responsible for two-layer exchange.
Preferably, after the network switching module is powered on, the processor 2K1000 may broadcast an ARP query frame to all the ports, and obtain the IP address and the MAC address of each port connection device according to the ARP message returned by each port. The processor 2K1000 can also establish a MAC table, an ARP table, and a routing table inside the switching chip KD5660 according to the IP address and the MAC address of the device connected to each port.
Preferably, after receiving the IP packet, the switching chip KD5660 can query the built-in MAC table, ARP table, and routing table according to the key fields in the IP packet, so as to know how to process the IP packet, and whether to forward the packet from one port or send the packet to the processor 2K1000 for further processing.
Preferably, when the switching chip KD5660 receives an IP packet, the specific processing mode is: comparing the destination IP address of the IP message with the mask code in the prefix field of the routing table item, then comparing with the IP address in the prefix field, if equal, matching the message with the route; when one IP message is matched with a plurality of routes, matching is carried out according to the principle that the mask length is longest, the priority is highest and the route overhead is minimum; when an IP message matches a route, acquiring an MAC address and an output port of next hop equipment according to an output port number and a next hop IP address in a routing table entry, and forwarding the message; when an IP packet does not have a matching route, the packet is sent to the processor 2K1000, the processor 2K1000 sends an ARP request packet of the destination IP of the packet to a network connected to all ports to obtain an MAC address of the destination IP, if a network node of the destination IP exists in the network, the processor 2K1000 receives an ARP reply packet, adds a new routing table entry in a routing table of the switching chip KD5660, and forwards the packet.
Preferably, the system further comprises a PHY chip KD3004 connected with the KD5660, a FLASH, DDR3 and RS-232 transceiver connected with the 2K1000, a network transformer connected with the PHY chip KD3004, and a CPCI connector connected with the network transformer.
Preferably, KD5660 of Beijing Dongdong earth technology is used as a network exchange chip, KD3004 of Beijing Dongdong earth technology is used as a PHY chip, 2K1000 of Longxin Zhongke is used as a processor, GD25Q127CSJG of Beijing Measy innovation is used as a boot FLASH, GD9FU2G8F3AMGI of Beijing Measy innovation is used as a data storage FLASH, SM41J256M16M of Shenzhen Ming is used as a DDR3, SM3232 of Shenzhen Ming is used as an RS-232 transceiver, HST-24022 CR of Union Thailand is used as a gigabit network transformer, and J-15022101, J-15122103 and J-15122102 of 796 factories are used as CPCI connectors.
Preferably, the power supply module is further included, and the electrohydraulic module is realized by adopting SM4644MPY and SM4620AMPV of Shenzhen national micro.
Preferably, the module employs a 6U _ CPCI board type of CPCI connector.
Preferably, the module is provided with 24 10M/100M/1000Mbps adaptive gigabit network switching ports and has a network routing function.
The invention also provides a network switching method realized by utilizing the network switching module.
(III) advantageous effects
The invention designs a 24-port 10M/100M/1000Mbps self-adaptive three-layer gigabit network switching module adopting a CPCI connector, which is a 6U _ CPCI three-layer gigabit network switching module capable of meeting the network switching requirement among control devices, realizing nationwide production and having a network routing function. The module is provided with 24 10M/100M/1000Mbps self-adaptive gigabit network switching ports and has a network routing function; the network switching module can be configured in a command line mode through a debugging serial port of 2K1000, and the configuration comprises the speed of each port, full duplex/half duplex, network routing setting and the like.
Drawings
Fig. 1 is a block diagram of a localization 24-port 6U _ CPCI three-layer gigabit network switch module according to the present invention.
Detailed Description
In order to make the objects, contents, and advantages of the present invention clearer, the following detailed description of the embodiments of the present invention will be made in conjunction with the accompanying drawings and examples.
The invention provides a homemade 24-port gigabit network switching module, in particular to a 24-port 10M/100M/1000Mbps self-adaptive three-layer gigabit network switching module adopting a CPCI connector, which is provided with 24 10M/100M/1000Mbps self-adaptive gigabit network switching ports and has a network routing function; the network switching module can be configured in a command line mode through a debugging serial port of 2K1000, wherein the configuration comprises the speed, full duplex/half duplex, network routing setting and the like of each port; the 24-port 6U _ CPCI three-layer gigabit network switching module is designed nationwide, and comprises a network switching chip KD5660, a PHY chip KD3004, a processor, FLASH, DDR3, an RS-232 transceiver, a power supply chip, a network transformer, a CPCI connector and the like, and a block diagram is shown in FIG. 1.
The module adopts KD5660 of Beijing Dongtong earth technology as a network exchange chip, KD3004 of Beijing Dongtong earth technology as a PHY chip, 2K1000 of Longxin Zhongke as a processor, GD25Q127CSJG of Beijing million easy innovation as boot FLASH, GD9FU2G8F3AMGI of Beijing million easy innovation as a data storage FLASH, SM41J256M16M of Shenzhen country as a DDR3, SM3232 of Shenzhen country as an RS-232 transceiver, HST-24022 CR of Union Thailand as a gigabit network transformer, SM4644MPY and SM4620AMPV of Shenzhen country as power modules, and J-15022101, J-15122103 and J-15122102 of 796 factories as CPCI connectors.
The 2K1000 is used as a processor to run a network layer protocol and is responsible for three-layer forwarding, an exchange chip KD5660 is configured according to the requirements of the protocol and management, and various tables such as an MAC (media access control) table, an ARP (address resolution protocol) table and a routing table built in the exchange chip KD5660 are maintained; and the KD5660 is used as a network exchange chip and is responsible for two-layer exchange.
After the network switching module is started, the processor 2K1000 may broadcast the ARP inquiry frame to all ports, and obtain the IP address and the MAC address of each port connection device according to the ARP message replied by each port. The processor 2K1000 can also establish a MAC table, an ARP table, and a routing table inside the switching chip KD5660 according to the IP address and the MAC address of the device connected to each port.
After receiving the IP packet, the switching chip KD5660 can query the built-in MAC table, ARP table, and routing table according to the key fields in the IP packet, thereby knowing how to process the IP packet, and whether to forward the packet from a certain port or send the packet to the processor 2K1000 for further processing.
Specifically, when the switching chip KD5660 receives an IP packet, the specific processing mode is: comparing the destination IP address of the IP message with the mask code in the prefix field of the routing table item, then comparing with the IP address in the prefix field, if equal, matching the message with the route; when one IP message is matched with a plurality of routes, matching is carried out according to the principle that the mask length is longest, the priority is highest and the route overhead is minimum; when an IP message matches a route, acquiring an MAC address and an output port of next hop equipment according to an output port number and a next hop IP address in a routing table entry, and forwarding the message; when an IP packet does not have a matching route, the packet is sent to the processor 2K1000, the processor 2K1000 sends an ARP request packet of the destination IP of the packet to a network connected to all ports to obtain an MAC address of the destination IP, if a network node of the destination IP exists in the network, the processor 2K1000 receives an ARP reply packet, adds a new routing table entry in a routing table of the switching chip KD5660, and forwards the packet.
The module adopts the 6U _ CPCI board type of the CPCI connector, and is adaptive to 24 ports, 10M/100M/1000 Mbps.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A localization 24 port 6U _ CPCI three-layer kilomega network switching module is characterized by comprising a network switching chip KD5660 and a processor;
the 2K1000 is adopted as a processor to run a network layer protocol and is responsible for three-layer forwarding, an exchange chip KD5660 is configured according to the requirements of the protocol and management, and an MAC (media access control) table, an ARP (address resolution protocol) table and a routing table built in the exchange chip KD5660 are maintained; and the KD5660 is used as a network exchange chip and is responsible for two-layer exchange.
2. The network switching module according to claim 1, wherein after the network switching module is powered on, the processor 2K1000 is capable of broadcasting an ARP query frame to all ports, and obtaining the IP address and the MAC address of each port connection device according to the ARP message replied by each port. The processor 2K1000 can also establish a MAC table, an ARP table, and a routing table inside the switching chip KD5660 according to the IP address and the MAC address of the device connected to each port.
3. The network switching module of claim 2, wherein after receiving the IP packet, the switching chip KD5660 is able to query a built-in MAC table, ARP table and routing table according to the key fields in the IP packet, so as to know how to process the IP packet, whether to forward the packet from a port or send it to the processor 2K1000 for further processing.
4. The network switching module according to claim 3, wherein when the switching chip KD5660 receives an IP packet, the specific processing manner is: comparing the destination IP address of the IP message with the mask code in the prefix field of the routing table item, then comparing with the IP address in the prefix field, if equal, matching the message with the route; when one IP message is matched with a plurality of routes, matching is carried out according to the principle that the mask length is longest, the priority is highest and the route overhead is minimum; when an IP message matches a route, acquiring an MAC address and an output port of next hop equipment according to an output port number and a next hop IP address in a routing table entry, and forwarding the message; when an IP packet does not have a matching route, the packet is sent to the processor 2K1000, the processor 2K1000 sends an ARP request packet of the destination IP of the packet to a network connected to all ports to obtain an MAC address of the destination IP, if a network node of the destination IP exists in the network, the processor 2K1000 receives an ARP reply packet, adds a new routing table entry in a routing table of the switching chip KD5660, and forwards the packet.
5. The network switching module of claim 4, further comprising a PHY chip KD3004 connected to KD5660, a FLASH, DDR3, RS-232 transceiver connected to 2K1000, a network transformer connected to PHY chip KD3004, and a CPCI connector connected to the network transformer.
6. The network switching module of claim 5, wherein KD5660 of Beijing east earth technology is used as a network switching chip, KD3004 of Beijing east earth technology is used as a PHY chip, 2K1000 of Longxin Zhongke is used as a processor, GD25Q127CSJG of Beijing million easy innovation is used as a boot FLASH, GD9FU2G8F3AMGI of Beijing million easy innovation is used as a data storage FLASH, SM41J256M16M of Shenzhen country is used as a DDR3, SM3232 of Shenzhen country is used as an RS-232 transceiver, HST-24022SXCR of Union Thailand is used as a gigabit network transformer, and J-15022101, J-15122103 and J-15122102 of 796 factories are used as CPCI connectors.
7. The network switching module of claim 5, further comprising a power module, wherein the electrohydraulic module is implemented by SM4644MPY and SM4620AMPV of Shenzhen national micro.
8. The network switching module of claim 7, wherein the module employs a 6U _ CPCI board style of CPCI connectors.
9. The network switch module of claim 7, wherein the module has 24 10M/100M/1000Mbps compliant gigabit network switch ports with network routing capabilities.
10. A network switching method implemented with a network switching module according to any of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111043722.1A CN113645160A (en) | 2021-09-07 | 2021-09-07 | Domestic 24-port 6U _ CPCI three-layer gigabit network switching module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111043722.1A CN113645160A (en) | 2021-09-07 | 2021-09-07 | Domestic 24-port 6U _ CPCI three-layer gigabit network switching module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113645160A true CN113645160A (en) | 2021-11-12 |
Family
ID=78425232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111043722.1A Pending CN113645160A (en) | 2021-09-07 | 2021-09-07 | Domestic 24-port 6U _ CPCI three-layer gigabit network switching module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113645160A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101325554A (en) * | 2008-08-04 | 2008-12-17 | 北京星网锐捷网络技术有限公司 | Method for establishing route, forwarding chip and three-layer switchboard |
| US20090154461A1 (en) * | 2007-12-14 | 2009-06-18 | Makoto Kitani | Network Switching System |
| CN112600767A (en) * | 2020-12-07 | 2021-04-02 | 天津津航计算技术研究所 | Domestic 24-port 6U _ VPX two-layer gigabit network switching module |
| CN112615800A (en) * | 2020-12-07 | 2021-04-06 | 天津津航计算技术研究所 | Domestic 12-port LRM two-layer gigabit network switching module |
| CN112615799A (en) * | 2020-12-07 | 2021-04-06 | 天津津航计算技术研究所 | Domestic 24-port 6U _ CPCI two-layer gigabit network switching module |
-
2021
- 2021-09-07 CN CN202111043722.1A patent/CN113645160A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090154461A1 (en) * | 2007-12-14 | 2009-06-18 | Makoto Kitani | Network Switching System |
| CN101325554A (en) * | 2008-08-04 | 2008-12-17 | 北京星网锐捷网络技术有限公司 | Method for establishing route, forwarding chip and three-layer switchboard |
| CN112600767A (en) * | 2020-12-07 | 2021-04-02 | 天津津航计算技术研究所 | Domestic 24-port 6U _ VPX two-layer gigabit network switching module |
| CN112615800A (en) * | 2020-12-07 | 2021-04-06 | 天津津航计算技术研究所 | Domestic 12-port LRM two-layer gigabit network switching module |
| CN112615799A (en) * | 2020-12-07 | 2021-04-06 | 天津津航计算技术研究所 | Domestic 24-port 6U _ CPCI two-layer gigabit network switching module |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10623311B2 (en) | Technologies for distributed routing table lookup | |
| CN103166874B (en) | A kind of message forwarding method and equipment | |
| US7782874B2 (en) | Apparatus and method for route summarization and distribution in a massively parallel router | |
| CN102957616B (en) | In the method and system of ASIC repeating TRILL network message | |
| CN101488918B (en) | Multi-network card server access method and system | |
| CN103929461B (en) | Mac address information synchronous method and device in pile system | |
| CN101877671B (en) | Sending method of mirror image message, switch chip and Ethernet router | |
| WO2014032624A1 (en) | Packet forwarding | |
| CN113630345A (en) | Domestic 24-port 6U _ VPX three-layer gigabit network switching module | |
| CN102857414A (en) | Forwarding table writing method and device and message forwarding method and device | |
| CN101383772B (en) | Method and device for automatically discovering and establishing MAC route information table | |
| CN102420762B (en) | Message forwarding method, message forwarding system, network equipment and firewall wire card | |
| CN103441932A (en) | Host routing table entry generating method and device | |
| CN105187311A (en) | Message forwarding method and message forwarding device | |
| CN108777723B (en) | ARL table management system | |
| CN114143257A (en) | Method for generating table entry, method, device and system for sending message | |
| CN101247351A (en) | Load sharing method and device | |
| CN113794615B (en) | Message forwarding method and device | |
| JP2004159019A (en) | Extended vlan tag swap system | |
| CN113726632A (en) | Message forwarding method and device | |
| EP3104561A1 (en) | Communication control system, communication control method, and communication control program | |
| CN113645160A (en) | Domestic 24-port 6U _ CPCI three-layer gigabit network switching module | |
| CN102195867A (en) | Network system, edge node, and relay node | |
| KR20060090219A (en) | Method of switching packets in a transmission medium comprising multiple stations which are connected using different links | |
| CN114640615B (en) | Route notification method, route generation method and device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211112 |