大家好,
我们核心交换机有mac flapping的日志想请大家帮忙分析一下, Mar 19 22:49:31.089 CNT: %SW_MATM-4-MACFLAP_NOTIF: Host 0050.56bd.12a7 in vlan 10 is flapping between port Gi3/0/44 and port Po20 Mar 19 22:56:54.542 CNT: %SW_MATM-4-MACFLAP_NOTIF: Host 0050.56bd.1261 in vlan 10 is flapping between port Gi3/0/44 and port Po71 Mar 19 22:57:18.403 CNT: %SW_MATM-4-MACFLAP_NOTIF: Host 0050.56bd.1261 in vlan 10 is flapping between port Gi3/0/44 and port Po71 Mar 20 00:45:11.941 CNT: %SW_MATM-4-MACFLAP_NOTIF: Host 0050.56bd.ad79 in vlan 10 is flapping between port Gi3/0/44 and port Po20 Mar 20 02:54:12.290 CNT: %SW_MATM-4-MACFLAP_NOTIF: Host 0050.56bd.ad79 in vlan 10 is flapping between port Gi3/0/44 and port Po20 Mar 20 02:54:29.418 CNT: %SW_MATM-4-MACFLAP_NOTIF: Host 0050.56bd.ad79 in vlan 10 is flapping between port Gi3/0/44 and port Po20
拓扑如下: server--------(Po71/Po20)Switch(G3/0/44)---------Sangfor_AC----------internet
Po71和Po20接的都是服务器,而那些host都是虚拟机来的,它们的MAC不停地在连接服务器的接口和sangforAC的接口上flapping 这些Host的共通点是都需要提供外网服务,例如是Web服务器,有用户需要在外网访问等等
请大神们帮忙分析一下,该如何解决,谢谢! |