1、找出迅雷程序开放的连接端口,默认为6881至6889. 2、将局域网内运行迅雷的IP统计出来,建立扩展访问列表如下: Extended IP access list btdownloadpermit tcp any host 192.168.1.120 range 6881 6889permit tcp any host 192.168.1.135 range 6881 6889permit tcp any host 192.168.1.146 range 6881 6889permit tcp any host 192.168.1.159 range 6881 6889permit tcp any host 192.168.1.211 range 6881 6889permit tcp any host 192.168.1.223 range 6881 6889 3、建立class-map class_xl Cisco(config)#class-map class_xl Cisco(config-cmap)#match access-group name btdownload 4、建立policy-map qos_xl 进行速率限制 Cisco(config)#policy-map qos_xlCisco(config-pmap)#class class_xlCisco(config-pmap-c)#police 5000000 8000 exceed-action drop