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在各种INTERNET接入方式中,ADSL接入以其出色的性价比受到青睐,但ADSL只能提供低于2M的带宽。在带宽不够,不能很好地满足多用户上网需求的情况下,如果增加多条ADSL,就需将整个网络分成几个组,每个ADSL路由器管一组,虽然这样每个人的上网带宽增加了,但由于有多个网关,需对每个客户端进行手动设置;如果组成多个局域网,单位内部就不能实现数据通讯和信息共享,不便于网络管理人员的统一管理,而且分别独立的ADSL接入也不利于对所有带宽的有效利用。
In a variety of INTERNET access, ADSL access favored by its excellent price / performance, but ADSL can only provide less than 2M of bandwidth. In the bandwidth is not enough, not well meet the needs of multi-user Internet access, if you increase the number of ADSL, you need to divide the entire network into several groups, each ADSL router a group, although this so that everyone’s Internet bandwidth increased , But due to multiple gateways, each client needs to be manually set. If multiple LANs are formed, data communication and information sharing can not be achieved within the unit, which is not convenient for unified management of network managers. Moreover, independent ADSL Incoming is also not conducive to the effective use of all bandwidth.