求英语强人帮忙翻译摘要！

The virtual local area network (VLAN), is one kind through but is notphysics divides the local area network in equipment logic a each onewebpage thus to realize the hypothesized work team's emergingtechnology, basic is same in the function and the operation andtraditional LAN. The virtual local area network technology is one ofpresent network most popular technologies, also is exchanges in thenetwork one of most important technical, its appearance is and thelocal area network exchange technology development cannot separate.The VLAN appearance has broken traditional network many inherentideas, causes the network architecture to change nimbly, isconvenient. IEEE promulgates in 1999 with standardized VLAN therealization plan 802.1Q agreement standard draft. Although VLAN by nomeans best network technology, but this kind uses in the network pointlogic partition method to use for many enterprises. Through uses VLAN, we may obtain very many advantage, for exampleenhancement management efficiency; Control broadcast data; Enhancementnetwork security; Reduces the stand the migration and the changeexpenses and so on. In aspect and so on use band width, flexibility,performance, the virtual local area network (VLAN) all demonstratesthe very big superiority. The virtual local area network use canconveniently carry on work and so on user increase, deletion,migration, enhances the network management the efficiency. But becauseeach main network equipment production merchant facilitates in thevirtual local area network technical quite same not less than, eventheir system all incompatible, perhaps very many users are attractedby the VLAN technology multitudinous merit, but also is made by thiskind of chaos non- is from. Therefore, the electricity and electronicengineer the association (IEEE) passed a series of related VLANstandard, in the very great degree promotion VLAN development, thisarticle also introduced the related agreement and the standard.
The VLAN exchange technology is based on OSI reference model second,but must realize VLAN to correspond must use the third equipment, ifthe router or is has the route function the switchboard. In thenetwork development initial period, in the network only has 10% ~ 20%information to disseminate between VLAN, but along with the multimediatechnology in the network the application rapid popularization,between VLAN the information transmission quantity increased manytimes, if between the VLAN correspondence question solves is not good,seriously will affect the network the use and the security. Becausethe route exists retransmits the speed slowly, the price is expensiveand so on the shortcoming, thereupon three exchanges technologiesarise at the historic moment. Three exchanges technologies are thetechnologies which the route and the exchange two in one, in theVLAN correspondence and the management, you can discover threeswitchboards will compare the router having price also are moreeffective than.
最后一段
Finally proposed the VLAN technology in the enterprise network wholesolution. Including: VLAN sub- net division, VLAN ID plan, betweenVLAN route strategy (central route and distributional route), betweenVLAN access control and so on.
这么多,还这么专业,不用软件帮忙还不累晕,所有人都会用软件的,我保证我翻译的是最贴切的.呵呵!

The virtual local area network (VLAN), is one kind through is not physics divides local area network in equipment logic each one webpage to realize the hypothesized work team's emerging technology, in function and operation and traditional LAN basic same.The virtual local area network technology is one of present network most popular technologies, also is exchanges in the network one of most important technical, its appearance is and the local area network exchange technology development cannot separate.The VLAN appearance has broken traditional network many inherent ideas, causes the network architecture to become is nimble, is convenient.IEEE promulgated in 1999 uses standardized VLAN the realization plan 802.1Q protocol standard draft.Although VLAN by no means best networking, but this kind uses in the network point logic partition the method using for many enterprises.

Through uses VLAN, we may obtain very many advantage, for example enhancement management efficiency; Control broadcast data; Enhancement network security; Reduces the stand the migration and the change expenses and so on.In aspects and so on use band width, flexibility, performance, virtual local area network (VLAN) all demonstrates the very big superiority.The virtual local area network use can conveniently carry on work and so on user increase, deletion, migration, enhances the network management the efficiency.But because each main network equipment production manufacturer facilitates in the virtual local area network technology incompletely same, even their system all incompatible, perhaps very many users are attracted by the VLAN technology multitudinous merits, but also is made by this kind of chaos non-is from.Therefore, the electricity and electronic Engineer association (IEEE) passed a series of related VLAN standard, to a great extent promotion VLAN development, this article also introduced the related agreement and the standard.The VLAN exchange technology is based on OSI reference model second, but must realize VLAN to correspond must use the third equipment, if the router or has the route function switchboard.In the network development initial period, in the network only then 10%~20% information disseminate between VLAN, but along with the multimedia technologies in the network the application rapid popularization, between VLAN the information transmission capacity increased many times,if between the VLAN correspondence question solves not not well, will be serious affects the network the use and the security.Because the route has the repeater speed slowly, the price expensive and so on the shortcomings, therefore three exchange technologies arise at the historic moment.Three exchange technologies are the technologies which the route and the exchange combines, in the VLAN correspondence and the management, you can discover three switchboards will have the performance-to-price ratio compared to the router also more effective.

Key word: Virtual local area network, VLAN, route, exchange, broadcast territory

Finally proposed the VLAN technology in the enterprise network whole solution.Including: VLAN subnet division, VLAN ID plan, between VLAN route strategy (central route and distributional route), between VLAN access control and so on.

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以后自己翻译，但是每次只能400字以内。最好断开整句的，以免意思有误。

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