在接入层2950上有这样一条日志：
*May 20 23:25:13.204 UTC: %RCMD-4-RSHPORTATTEMPT: Attempted to connect to RSHELL from 10.2.3.20
*May 20 23:25:13.716 UTC: %RCMD-4-RSHPORTATTEMPT: Attempted to connect to RSHELL from 10.2.3.20
*May 21 23:24:55.698 UTC: %RCMD-4-RSHPORTATTEMPT: Attempted to connect to RSHELL from 10.2.3.20
*May 21 23:24:56.190 UTC: %RCMD-4-RSHPORTATTEMPT: Attempted to connect to RSHELL from 10.2.3.20
*May 21 23:24:56.694 UTC: %RCMD-4-RSHPORTATTEMPT: Attempted to connect to RSHELL from 10.2.3.20
*May 21 23:25:01.934 UTC: %RCMD-4-RSHPORTATTEMPT: Attempted to connect to RSHELL from 10.2.3.20
*May 21 23:25:02.426 UTC: %RCMD-4-RSHPORTATTEMPT: Attempted to connect to RSHELL from 10.2.3.20
*May 21 23:25:02.930 UTC: %RCMD-4-RSHPORTATTEMPT: Attempted to connect to RSHELL from 10.2.3.20
*May 21 23:25:08.166 UTC: %RCMD-4-RSHPORTATTEMPT: Attempted to connect to RSHELL from 10.2.3.20
*May 21 23:25:08.666 UTC: %RCMD-4-RSHPORTATTEMPT: Attempted to connect to RSHELL from 10.2.3.20
*May 21 23:25:09.166 UTC: %RCMD-4-RSHPORTATTEMPT: Attempted to connect to RSHELL from 10.2.3.20

经查询得知 10.2.3.20是一个KVM
那谁能告诉我怎么会出现这样的原因呢？
出现好几天了
望高手指点

我也看不懂。。。期待有人能解答

我也看不明白
是什么牌子的交换机？华为的有一个日志查看器的 ，你到网上看看

10.2.3.20那个PC用RSH模式登陆Router，但Router没有配置RSH功能

我不明白的就是 KVM怎么都可以连接哦

思科设备
www.cisco.com->support->tools->Error DeCoder

这个logg是说， 10.2.3.20用udp514连接交换机，但是交换机没有开启该服务.
可以尝试调试一下你的数字的KVM交换机，该KVM交换机IP为 10.2.3.20。

不太明白,糊里糊涂的.......