交换机日志链路状态所有类型 日志例子

以下是一些常见的交换机日志链路状态类型和例子：

1. 链路状态更改日志：

%LINK-3-UPDOWN: Interface GigabitEthernet1/0/1, changed state to up
%LINK-3-UPDOWN: Interface GigabitEthernet1/0/2, changed state to down

2. 端口错误日志：

%CDP-4-DUPLEX_MISMATCH: duplex mismatch discovered on GigabitEthernet1/0/1 (not half duplex), with Switch2 GigabitEthernet2/0/1 (half duplex)
%SW_MATM-4-MACFLAP_NOTIF: Host xxxx.xxxx.xxxx in vlan 10 is flapping between port GigabitEthernet1/0/1 and port GigabitEthernet1/0/2

3. STP状态更改日志：

%STP-SP-5-TOPOTRAP: Topology Change Trap for vlan 1
%SW_VLAN-6-VTP_MODE_CHANGE: VLAN Manager changing device mode from server to transparent

4. 端口安全日志：

%PORT_SECURITY-2-PSECURE_VIOLATION: Security violation occurred, caused by MAC address xxxx.xxxx.xxxx on port GigabitEthernet1/0/1.

以上是一些常见的交换机日志链路状态类型和例子。不同厂商或不同型号的交换机可能有不同的日志类型和格式，具体的日志类型和格式需要根据实际情况进行了解和分析。