看看你的router说明书有无带宽控制，没有的话，呵呵，

看你舍不舍得银子乐， *_~ WMU-9000VPN is a well-armed wireless AP router designed for both home/business users. It protects your data securely within the firewall and as well as outside the firewall when transmitted on Internet. Firewall features included true SPI firewall, Denial of Service (DoS), Access control. The IPSec VPN capability provides secure 3DES encryption to allow establishment of VPN tunnel between two end points wirelessly and up to 100 VPN tunnels capability. It also supports PPTP VPN connection and up to 10 PPTP VPN tunnels is allowed.
Healthy

Parents or system administrators can establish and enforce acceptable Internet access policies. Content filtering enables the blocking of certain websites, certain contents, as well as monitors and controls users, preventing them from visiting improper and unhealthy web pages.
P2P QoS Bandwidth Control

Have you ever suffer from bandwidth problem when one of the LAN users is using bandwidth-thirsty P2P download applications?? QoS (Quality of Service) bandwidth management provides the total solution to this problem. By assigning pre-defined bandwidth value to specific application according to its level of importance, you are in complete control of efficiently managing the bandwidth of your broadband connection within the LAN network.