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Embedded Linux-based SOHO router system

A router and embedded technology, which is applied in the field of SOHO router system, can solve problems such as kernel crash, processor speed that cannot meet the requirements of high-speed access network users, and poor system stability, so as to improve stability and security, and powerful network control Function, damage prevention effect

Inactive Publication Date: 2011-03-30
钱进
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The current SOHO router design adopts the ARM7TDMI+Clinux design architecture, the ARM7 core microprocessor operating frequency is about 50M, while the Ethernet control chip operating frequency is generally 100M, the processor speed is difficult to meet the requirements of high-speed access network users; μClinux operating system, There is no memory protection mechanism, any program may cause a kernel crash, and the system stability is poor

Method used

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  • Embedded Linux-based SOHO router system
  • Embedded Linux-based SOHO router system

Examples

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Embodiment Construction

[0007] Referring to the figure, this embodiment adopts the following technical solutions: it is composed of several RJ-45, four-terminal isolation transformer, exchange control chip, power supply circuit, ARM920TS3C2410X, FLASH, SDRAM, JTAG debugging interface, RS232 serial communication interface, clock Composed of generating circuit, Ethernet control chip, single-port isolation transformer, RJ-45, and LED indicators; several RJ-45s are connected to four-terminal isolation transformers, four-terminal isolation transformers are connected to switching control chips, and ARM920TS3C2410X is connected to switching The control chip, FLASH, SDRAM, JTAG debugging interface, RS232 serial communication interface, and Ethernet control chip are connected, the single-port isolation transformer is connected with the Ethernet control chip, and the RJ-45 is connected with the single-port isolation transformer.

[0008] This specific embodiment has a memory protection mechanism and a powerful ...

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PUM

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Abstract

The invention discloses an embedded Linux-based SOHO router system, and relates to an embedded Linux-based SOHO router design. The system consists of a plurality of RJ-45s, a four-end isolating transformer, an exchange control chip, a power supply circuit, an ARM920TS3C2410X, a FLASH, an SDRAM, a JTAG debugging interface, an RS232 serial communication interface, a clock generating circuit, an Ethernet control chip, a single-port isolating transformer, an RJ-45 and an LED indicating lamp. The system has memory protection mechanism and powerful network control function, a malicious program can be prevented from damaging the system, a * filter firewall is realized, and the stability and the security of the system are effectively improved.

Description

Technical field: [0001] The present invention relates to a router system, in particular to a SOHO router system based on embedded Linux. Background technique: [0002] With the rapid development of communication technology and network technology, a large number of network devices are connected to the network, and the number of Internet users is increasing exponentially. Studies have shown that the IPv4 address space will be exhausted before 2011, so IPv4 address resources are very scarce. SOHO routers use private network IP addresses to effectively alleviate the current crisis of IP address shortage, and provide efficient and cheap shared Internet access solutions for small LANs such as companies and families. The current SOHO router design adopts the ARM7TDMI+Clinux design architecture, the ARM7 core microprocessor operating frequency is about 50M, while the Ethernet control chip operating frequency is generally 100M, the processor speed is difficult to meet the requiremen...

Claims

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Application Information

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IPC IPC(8): H04L12/02H04L12/28
Inventor 钱进
Owner 钱进
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