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    7/30/2006

    Adsl modern+开启路由功能+下bt => 断流?

    病人症状:一般性上网——包括浏览网页、语音聊天、http、ftp等下载方式时,Modem都工作正常;
                   但只要运行BT等P2P软件时,Modem就会出现断流、掉线,整个内网趋于瘫痪。


     
    望闻切问:刚刚开始想到是bt软件和xp系统的设置问题,经过优化配置以后,问题未得到解决。
     
                   继而,上网搜索关于adsl modern断线的问题与解决方案,意外搜到关于adsl modern断流的文章,其症状与我家小猫的相似,试用其解决方案,成功解决问题!
     
     
     
    探讨病因:ADSL用户,而且开启了Modem内置的路由功能,即采用PPPoeLLC(RFC2516)模式上网的。
         简单地说,普通的带路由功能的AdslModem肩负两大使命:
             1.传递信号(进、出)
             2.对网内的PC进行路由。

        由于这种Modem是针对前面说的“一般性上网”而设计的,其路由功能无法应付新生的P2P软件所要求的网络性能,于是造成断流、掉线。
     
           上面这些是文章中的分析,按照我这个土人的话——这个modern负担过大了!它不行啦……
     
    治病良方:关闭Modem的内置路由功能,使其只承担传递信号的任务。

      
     
    后遗症:关闭Modem的路由功能后,就无法多机免主机上网了——呵呵,不是本文讨论内容,自己想招吧。

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