交换机报告以下错误消息,且端口被强制执行链路关闭:
·;;;;;;;;
%ETHCNTR-3-LOOP_BACK_DETECTED :Keepalive packet loop-back detected on
以下示例显示了发生该问题时所显示的控制台输出:
Oct 2 10:40:13:
%ETHCNTR-3-LOOP_BACK_DETECTED: Keepalive packet loop-back detected on
GigabitEthernet0/1
Oct 2 10:40:13:
%PM-4-ERR_DISABLE: loopback error detected on Gi0/1, putting Gi0/1 in
err-disable state