A router, very accurate, the downstream data flow to separate the, parameter is above fill in the hypothesized to configure the 192.168.1.10 the IP address of the host is BT download, then this host data traffic will larger. This host data flow is divided into two parts: a part is it from another server to download data, the part is it uploads data to another host. QoS IP router will be the host of this.10 download and upload the data traffic in the two directions respectively, the provisions limit.

Two, set the parameters of the router must first ensure that every IP address using the 100Kbps minimum downlink data bandwidth, so 11 hosts using a total of 1100Kbps bandwidth, this route downlink bandwidth resource of 2000Kbps total still remaining about 900Kbps, the router first to ensure the two main machine can use minimum downlink bandwidth to 100Kbps. The minimum bandwidth guarantee, two hosts and further downstream bandwidth demand, then more than 100Kbps traffic, the router uses polling, the effective bandwidth increases two hosts occupy the downlink data when the 192.168.1.10 which hosts the stream bandwidth reaches maximum when 1000Kbps, the router will not load forwarded more than 1000Kbps bandwidth data packet.

Three, but 192.168.1.11 this host in contention with bandwidth, data flow after reaching the 1000Kbps this host and a still need more bandwidth, the router has been increasing it takes effective downstream bandwidth to 2000Kbps will no longer forwarded more than the bandwidth of the data packets.