使用路由器作流量检测的几种方法(2) 104834714 ager polls, 0 flow alloc failures Active flows timeout in 30 minutes Inactive flows timeout in 15 seconds last clearing of statistiCS never Protocol Total Flows Packets Bytes Packets Active(Sec) Idle(Sec) -------- Flows /Sec /Flow /Pkt /Sec /Flow /Flow TCP-Telnet 25378 0.0 12 652 0.0 22.9 15.2 TCP-FTP 432435 0.1 4 59 0.4 1.2 2.7 TCP-FTPD 28670 0.0 212 1397 1.4 8.2 1.6 TCP-WWW 4682530 1.0 15 927 16.4 2.4 4.6 2、说明 统计基于流（包括地址对、端口号、协议类型等）的数据量；只支持inbound的流量；只支持单播；只能在主端口配置；需要和cef或fast switching一起使用；对路由器性能有影响。 10,000 active flows: < 4% of additional CPU utilization 45,000 active flows: <12% of additional CPU utilization 65,000 active flows: <16% of additional CPU utilization
