核心设备的系统日志查看到大量这种日志信息,想问一下是否对设备有什么问题。
Nov 2 07:39:53.005: %C4K_L2MAN-6-INVALIDSOURCEADDRESSPACKET: (Suppressed 1240 times)Packet received with invalid source MAC address (00:00:00:00:00:00) on port Po22 in vlan 21
Nov 2 13:40:31.524: %C4K_L2MAN-6-INVALIDSOURCEADDRESSPACKET: (Suppressed 945 times)Packet received with invalid source MAC address (00:00:00:00:00:00) on port Po22 in vlan 23
Nov 2 19:43:45.667: %C4K_L2MAN-6-INVALIDSOURCEADDRESSPACKET: (Suppressed 503 times)Packet received with invalid source MAC address (00:00:00:00:00:00) on port Po22 in vlan 20
Nov 3 01:43:53.166: %C4K_L2MAN-6-INVALIDSOURCEADDRESSPACKET: (Suppressed 896 times)Packet received with invalid source MAC address (00:00:00:00:00:00) on port Po22 in vlan 20
Nov 3 07:44:54.395: %C4K_L2MAN-6-INVALIDSOURCEADDRESSPACKET: (Suppressed 1328 times)Packet received with invalid source MAC address (00:00:00:00:00:00) on port Po22 in vlan 23
(0)
最佳答案
您好,你收到包含无效的源mac地址,你看这些mac地址都是广播或者组播mac!!交换机不会学习这些mac并且视为无效。这里我再说具体点,交换机只会学习源mac地址是单播的数据包,组播或者广播mac只会出现在目的mac中,而你这里交换机收到很多源mac是组播和广播的数据包,所以就报错了!
你现在要做的就是找出在 vlan 20,vlan 21,vlan 23 里哪个机器一直在用组播mac发送大量数据包。(0)
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