| > 一、ip accounting 1、配置方法 router(config)#int s 0/0 router(config-if)#ip accounting output-packets router#sh ip accounting output-packets Source Destination Packets Bytes 192.1.1.110 192.1.1.97 5 500 172.17.246. 128 192.1.1.110 8 704 Accounting data age is 2d23h 或者 router(config)#int s 0/0 router(config-if)#ip accounting access-violations router#sh ip accounting [checkpoint] access-violations Source Destination Packets Bytes ACL 192.1.1.110 224.0.0.5 46 3128 19 Accounting data age is 7 2、說明 此方法如果在路由器負載特大的時候請謹慎使用，因其會使系統性能下降；基于地址對的字節數量及數據包數量統計；通常只支持outbound的數據包，及被ACL拒絕的數據包（支持IN 和 OUT方向的ACL）；只統計穿越路由器的流量，源或目的是該路由器的數據包不做統計；支持所有的switching path，除了Autonomous Switching；可以通過SNMP來訪問統計值，MIB是OLD-CISCO-IP-MIB, lipAccountingTable；ip accounting還支持其他的監測方式，如基于tos,mac-address等。 二、netflow 1、配置方法 router (config-if)#ip route-cache flow router (config)#ip flow-export destination 172.17.246.225 9996 router (config)#ip flow-export version 5 <peer-as | origin-as> Optional configuration router (config)#ip flow-export source loopback 0 router (config)#ip flow-cache entries <1024-524288> router (config)#ip flow-cache timeout sh ip cache flow IP packet size distribution (132429191 total packets): 1-32 64 96 128 160 192 224 256 288 320 352 384 416 448 480 .000 .191 .024 .009 .010 .006 .005 .008 .003 .005 .003 .003 .002 .001 .001 512 544 576 1024 1536 2048 2560 3072 3584 4096 4608 .001 .002 .107 .032 .578 .000 .000 .000 .000 .000 .000 IP Flow Switching Cache, 278544 bytes 33 active, 4063 inactive, 7975259 added 104834714 ager polls, 0 flow alloc failures Active flows timeout in 30 minutes Inactive flows timeout in 15 seconds |
