分类：
2012-05-26 21:04:58
今天第一次遇到了接口error disablerd问题,刚开始还不知道怎么搞,后面网上查看了下,还是没有什么信息,
后面经过下列几个信息查看,发现了问题所在.
Description: Fa0/21: This port has been disabled because Link has been found to be fluctuating between Up and Down states rapidly. Reason could be bad physical connector hardware or drivers on the switch port or connecting device is faulty.
sh int f0/21
sh int status err-disabled
sh interfaces status err-disabled
sh int f0/21 status
Port Name Status Vlan Duplex Speed Type
Fa0/21 connected 1 a-full a-100 10/100BaseTX
