日志文件中显示了一个 HP ProCurve 交换机,一个端口经常从离线状态变为在线状态。
I 07/07/17 05:06:04 00076 ports: port 12 is now on-line
I 07/07/17 05:07:22 00077 ports: port 12 is now off-line
I 07/07/17 05:07:25 00435 ports: port 12 is Blocked by STP
I 07/07/17 05:07:27 00076 ports: port 12 is now on-line
I 07/07/17 05:10:49 00077 ports: port 12 is now off-line
I 07/07/17 05:10:51 00435 ports: port 12 is Blocked by STP
I 07/07/17 05:10:53 00077 ports: port 12 is now off-line
I 07/07/17 05:10:55 00435 ports: port 12 is Blocked by STP
I 07/07/17 05:10:57 00076 ports: port 12 is now on-line
首先想到的是连接有问题,但这是否排除了交换机成为故障源?一定要布线吗?或者它可能是另一端的设备。
它还有一个 PoE 故障(第一行中的警告),这种情况大约每月发生一次。这里有同样的问题:我可以将 Switch 排除在源之外吗?在搜索此故障的定义后,它显示“[设备] 可能已断开连接、断电或停止工作。”
这里是来自日志文件的数据:
W 07/08/17 10:47:53 00563 ports: port 1/12 PD MPS Absent indication.
I 07/08/17 10:47:53 00565 ports: port 1/12 PD Removed.
I 07/08/17 10:48:01 00560 ports: port 1/12 PD Detected.