CN2565213Y

CN2565213Y - Kilomega exchanger

Info

Publication number: CN2565213Y
Application number: CN 02253577
Authority: CN
Inventors: 吴志美; 刘琼; 方贵明; 孙利民; 陈瑞; 王在方; 张巍; 张灏; 王显雷; 王强; 张晓哲
Original assignee: Institute of Software of CAS
Current assignee: Institute of Software of CAS
Priority date: 2002-09-09
Filing date: 2002-09-09
Publication date: 2003-08-06
Anticipated expiration: 2012-09-09

Abstract

The utility model relates to a kilomega exchanger, which comprises an exchanging back board, a main board and six exchanging modules, wherein, the main board can be connected to an exchanging matrix through a PCI bus, and the exchanging matrix is connected to an exchanging board with a 100M port and an exchanging board with a kilomega port through a G-Link bus. The exchanging board with the 100M port and the exchanging board with the kilomega port can be exchanged with each other. The utility model can provide forty 10/100Mbps RJ-45 network interfaces and one 1000Mbps multi-module optical interfaces and can also provide thirty-two 10/100Mbps RJ-45 network interfaces and two 1000Mbps multi-module optical interfaces. Software on the main board accomplishes the functions of the configuration of equipment, process control for general communication, a multi-cast protocol and a virtual private network and a routing function. The utility model is provided with source codes of all executable programs and an independent copyright, and provides an exchanging platform with kilomega access, and the utility model can be used for wide-band network access, video-on-demand, video conferencing, etc.

Description

Gigabit switch

Technical field:

The utility model relates to a kind of communication network device, a kind of data link switching equipment.Its application is that intelligent residential district or enterprises and institutions realize broadband access on Basic Ethernet, supports the integrated service of Digital Television, speech and online.

Background technology:

Ethernet accounts for the market share of world's local area network (LAN) more than 80% at present.The development of ethernet switching device is very rapid, multimedia comprehensive informations such as the speech that range of application is also had relatively high expectations to real-time from simple exchanges data, video exchange expansion.For adapting to network development and demands of applications, each network vendors of the world actively puts out a new product.But imported product costs an arm and a leg, and core technology is underground, and supports that the equipment of the integration of three networks is still immature.

The utility model content:

Main purpose of the present utility model is to provide the two-layer switching equipment with management function for Ethernet scheme that broadband access integrated service in sub-district is used (Digital Television, IP phone and computer internet), and this equipment also can be as the Ethernet switch of common management/non-management.

The utility model is achieved in that this utility model comprises 1 switching backplane, 1 mainboard, 6 Switching Modules, can be the outside respectively 1 of 40 10/100Mbps RJ-45 network interface and 1000Mbps multimode optical interface and electrical interface are provided, also can be the outside respectively 2 of 32 10/100Mbps RJ-45 network interfaces and 1000Mbps multimode optical interface and electrical interface are provided.

Above-mentioned each component locations relation is as follows: on the base of casing inside backboard is arranged, be fixed with switching matrix and keyset on the backboard, mainboard is plugged on the keyset, be fixed with power module in the rightmost side, backboard front, the power module left side has four 100,000,000 port power boards successively, wherein the back of two the 100000000 port power boards in the leftmost side is two gigabit port power boards, the port on limit of perhaps keeping right is 100,000,000 port power boards, built-in storage is arranged on the mainboard, thereafter the right side is electric board DOC, the left side, back is processor CPU, their position can exchange, the mainboard back has self-contained router 100,000,000 interfaces and dual serial interface from right to left respectively, turn left is 100,000,000 ports and gigabit port again, front at power module is fixed with fan from right to left, mains switch, supply socket, turning left is 100,000,000 ports of each power board again, above-mentioned each position annexation is: mainboard is linked switching matrix by bus, switching matrix is linked on 100,000,000 port power boards and the gigabit port power board by the G-link bus, and 100,000,000 port power boards and gigabit port power board can exchange.The cpu motherboard of described band electric board DOC, its electric board DOC are being put the real-time oss softwares such as communication interface driver, multicast protocol program and configuration manager of unifying.This software is finished configuration feature, the general communication process control function of equipment, and the virtual support local area network (LAN) is supported unidirectional VLAN.Built-in router is arranged, have the management function of multicast protocol and the function of other relevant route.

The utility model and prior art compare, and the advantage that has is:

1. spliced modular structure is convenient to the replacement between the different communication interface module.

2. have built-in router, have the management function of multicast protocol and the function of other relevant routes.

3. the virtual support local area network (LAN) is supported unidirectional VLAN.

4. have the whole autonomous copyright of software and hardware.

Description of drawings:

Described in detail implementing below in conjunction with Figure of description.

Fig. 1 gigabit switch structure chart

Fig. 2 gigabit switch schematic diagram

Fig. 3 gigabit switch information flow chart

Embodiment:

As shown in Figure 1: structure of the present utility model is to have on the base of enclosure interior: backboard 1,

power supply

2,8 100,000,000 port power boards 3, gigabit port power board 4 and keysets 5.Switching matrix 7 is arranged on backboard.Mainboard 6 is plugged on the keyset.Processor 8, internal memory 9 and electric board 10 are arranged on mainboard 6.Fan 11, mains switch 12, supply socket 13 and 100,000,000 port ones 4 are arranged on the front panel.Gigabit port 15, serial line interface 16 and mainboard network interface 17 are arranged on the rear board.

As shown in Figure 2: mainboard can be connected to switching matrix by pci bus, and switching matrix is connected to 100,000,000 port power boards 3 and gigabit port power board 4 by the G-Link bus.Software on the mainboard is finished configuration feature, general communication process control function, multicast protocol function, the function of VLAN and the function of other relevant routes of equipment.100,000,000 port power boards 3 and gigabit port power board 4 can exchange.

As shown in Figure 3: from the information of port one 4,15, through port filter, the data of two layers of forwarding are transmitted forwarding by exchange hardware according to VLAN, and remaining other information are given CPU processing, if configuration order is then carried out system configuration by command parameter; If the IGMP order is then revised vlan table, and is provided response; If routing protocol message is then revised routing table and is provided response; If conventional IP packet is then transmitted by routing table.In addition, the configuration order treating method of coming on the configuration order treating method of serial port 16 and the port one 4,15 is identical.Main performance index:

The utility model is a 2U thickness, and the up photoelectric port of gigabit is also deposited, the clog-free exchange of linear speed, replaceable module structure.In the store and forward message mode, time-delay is defined as last 1 the 1st time interval of leaving output port that arrives input port to this frame of frame.This novel average delay is less than 4.7 μ s.This novel total throughout is 15.36Gbps.

Support IEEE 802.1q VLAN, IEEE 802.1p Priority Queues, IEEE 802.3x flow control, support two layers of multileaving log-in protocol of IGMP-Snooping, support the SNMP webmaster, automatically MDI/MDIX switch, based on the fail safe of port, support remote management and control.

Meet ethernet standard IEEE 802.3, Fast Ethernet standard IEEE 802.3u, gigabit Ethernet light connects standard IEEE 802.3z, and gigabit Ethernet copper connects physical layer standard IEEE 802.3ab.

Claims

1. gigabit switch, comprise: housing, switching backplane, mainboard, Switching Module, power supply, electric fan, interface, processor, it is characterized in that: gigabit switch is by 1 switching backplane, 1 mainboard, 6 Switching Module compositions, wherein, on the enclosure interior base, be fixed with backboard, be fixed with switching matrix and keyset on the backboard, mainboard is inserted on the keyset, be fixed with power module in the rightmost side, backboard front, its left side has four 100,000,000 port power boards successively, wherein the back of two the 100000000 port power boards in the leftmost side is two gigabit port power boards, gigabit port power board on the right side can replace for 100,000,000 port power boards, and mainboard is linked switching matrix by bus, and switching matrix is linked on 100,000,000 port power boards and the gigabit port power board by the G-link bus.

2. switch according to claim 1, it is characterized in that: have built-in storage, electric board, processor, mainboard back that self-contained router 100,000,000 ports and dual serial interface are arranged respectively from right to left on the described mainboard, turning left is two ports of switch again, be fixed with fan, mains switch, supply socket from right to left in the power module front, turning left is the port of each power board again.

3. switch according to claim 1 is characterized in that: described switch has respectively 1 of 40 10/100MbpsRJ-45 network interface and 1000Mbps multimode optical interface and electrical interface.

4. switch according to claim 1 is characterized in that: described switch has respectively 2 of 32 10/100MbpsRJ-45 network interfaces and 1000Mbps multimode optical interface and electrical interface.

5. switch according to claim 1, it is characterized in that: described mainboard has electric board DOC, depositing a real time operating system and related software on the DOC, the virtual support local area network (LAN), support unidirectional VLAN, have the management function of equipment disposition function, general communication process control function, multicast protocol and the function of built-in route.

6. switch according to claim 1 is characterized in that: the thickness of described switch is 2U, and the up photoelectric port of gigabit is also deposited, the clog-free exchange replaceable module of linear speed formula structure.

7. switch according to claim 1, it is characterized in that: the total throughout 15.36Gbps of described switch, average delay is less than 4.7 μ s, and in the storage translative mode, time-delay is defined as last 1 first time interval of leaving output port that arrives input port to this frame of frame.

8. switch according to claim 1, it is characterized in that: described switch is supported IEEE 802.1qVLAN, IEEE 802.1p Priority Queues, IEEE 802.3x flow control, support two layers of multileaving log-in protocol of IGMP-Snooping, support the SNMP webmaster, automatically MDI/MDIX switch, based on the fail safe of port, support remote management and control.

9. switch according to claim 1, it is characterized in that: described switch meets ethernet standard IEEE802.3, Fast Ethernet standard IEEE 802.3u, gigabit Ethernet light connects standard IEEE 802.3z, and gigabit Ethernet copper connects physical layer standard IEEE 802.3ab.