| Message Code | PIX-4-411002 |
| Severity | Warning |
| Description | Line protocol on interface interface_name changed state to down. |
| Explanation | The status of the line protocol has changed from up to down. If interface_name is a logical interface name such as “inside” and “outside,” this message indicates that the logical interface line protocol has changed from up to down. In this case, the physical interface line protocol status is not affected. If interface_name is a physical interface name such as “Ethernet0” and “GigabitEthernet0/1,” this message indicates that the physical interface line protocol has changed from up to down. |
| User Action | If this is an unexpected event on the interface, check the physical line. |
| Reference Links |
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