交换机出现大量端口报警

交换机端口变为橘黄色，时断时续，并出现大量如下报警：
23:43:00: %ILPOWER-7-DETECT: Interface Fa0/1: Power Device detected: IEEE PD
23:43:01: %ILPOWER-5-IEEE_DISCONNECT: Interface Fa0/1: PD removed
, |. T; N5 B3 j3 l; y; A  v23:43:04: %ILPOWER-7-DETECT: Interface Fa0/1: Power Device detected: IEEE PD
. W" y4 ^" D- S9 H23:43:05: %ILPOWER-5-IEEE_DISCONNECT: Interface Fa0/1: PD removed
23:43:05: %ILPOWER-7-DETECT: Interface Fa0/1: Power Device detected: IEEE PD
7 y1 X6 j" J' i1 I! A5 Z23:43:05: %ILPOWER-5-IEEE_DISCONNECT: Interface Fa0/1: PD removed
' Y. p3 i* f3 }0 J- R23:43:07: %ILPOWER-7-DETECT: Interface Fa0/1: Power Device detected: IEEE PD
23:43:07: %ILPOWER-5-IEEE_DISCONNECT: Interface Fa0/1: PD removed
23:43:09: %ILPOWER-7-DETECT: Interface Fa0/1: Power Device detected: IEEE PD
23:43:09: %ILPOWER-5-IEEE_DISCONNECT: Interface Fa0/1: PD removed
23:43:10: %ILPOWER-7-DETECT: Interface Fa0/1: Power Device detected: IEEE PD
23:43:11: %ILPOWER-5-IEEE_DISCONNECT: Interface Fa0/1: PD removed
  P* p3 d9 _1 k& x: J# c) z) z23:43:12: %ILPOWER-7-DETECT: Interface Fa0/1: Power Device detected: IEEE PD
23:43:12: %ILPOWER-5-IEEE_DISCONNECT: Interface Fa0/1: PD removed
7 d1 N. P6 k$ A' c$ K/ h+ n8 e5 t23:43:15: %ILPOWER-7-DETECT: Interface Fa0/1: Power Device detected: IEEE PD
23:43:15: %ILPOWER-5-IEEE_DISCONNECT: Interface Fa0/1: PD removed
请问这是怎么回事?

更换cabling看看是否可以恢复，详细处理信息参考下列连接：

谢谢楼主，共同发展

不知该说些什么。。。。。。就是谢谢

帮帮顶顶！！

我抢、我抢、我抢沙发~

我是个凑数的。。。

学习了，不错，讲的太有道理了

看帖回帖是美德！:lol

学习了，谢谢分享、、、