通过建立路由器访问控制列表，可以控制任何IP地址对网络的访问，但要实现网络的单向访问，一般的访问列表是无法做到的。
One can control any IP addresses to access a network to set up a router access-control-list, but a normal ACL can not be implemented to access a network unilaterally.
核心路由器上主要配置访问控制列表ACL的出栈应用。
The main allocation access of core router controls the stack out of ACL.
路由器在计算机网络流量控制方面的作用日益显著，其关键技术就是访问控制列表的配置。
Routers are playing an important role in the network flow of the computer -network increasingly, where the key technology is the configuration of access control lists.
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