console 模式下 exec-timeout 0 0 表示永不超时 exec-timeout 0 10 表示登录后无操作10秒后超时登出，这时候就要重新输入密码登陆设备。
为了保证路由器的安全性,经常在Cisco路由器上配置超时控制,例如:#line console 0#exec-timeout 0 0关于这两条命令解释正确的是( )。A.这两条命令用于设置在多长时间内没有对console配置,则自动退出路由器配置界面的时间B.其中第一个“0”代表小时,第二个“0”代表分钟C.配置为“0 0”代表永不超时,可以永久...
*Mar 1 08:04:41.851: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/12, changed state to down *Mar 1 08:04:41.915: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/13, changed state to down *Mar 1 08:04:41.979: %LINEPROTO-5-UPDOWN: Line protocol on ...
*Mar 1 08:04:41.851: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/12, changed state to down *Mar 1 08:04:41.915: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/13, changed state to down *Mar 1 08:04:41.979: %LINEPROTO-5-UPDOWN: Line protocol on ...