有時爲了方便網絡故障排查,咱們會進行交換機抓包或者流量統計,下面是思科nexus 交換機作流統的示例:網絡
#建立須要匹配流量的ACL: ip access-list test01 statistics per-entry 1 permit tcp 1.1.1.1/32 2.2.2.2/32 eq 8888 100 permit ip any any #建立vlan access-group, 調用ACL vlan access-map test01 match ip address test01 // 匹配上述ACL action forward statistics per-entry #在對應的vlan調用流統策略 vlan filter test01 vlan-list <valn-id-list> //在一個或多個VLAN裏面統計報文 #/查看流量統計狀況 show vlan access-list test01 VLAN access-map test01 IP access list test01 1 permit tcp 1.1.1.1/32 2.2.2.2/32 eq 8888 [match=21] // 有匹配到 100 permit ip any any [match=468440]
若是你們有其餘好的建議,歡迎提出來,一塊兒交流學習。tcp