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Tunnel down reason

CAPWAP隧道关闭的原因：

·     Failed to create data check timer：创建数据检测定时器失败

·     Neighbor dead timer expired：邻居报告定时器超时

·     Request wait timer expired：等待请求消息定时器超时

·     Data check timer expired：数据检测定时器超时

·     Failed to process  data channel keep-alive message：处理数据隧道保活报文失败

·     Failed to process request：请求报文处理失败

·     AP was reset by admin：用户重启AP

·     AP was reset by Web：Web网络管理重启AP

·     Manual AP was deleted：手工AP被删除

·     Failed to come online：AP上线失败

·     Serial ID changed：AP的Serial ID改变

·     MAC address changed：AP的MAC地址改变

·     Exceeded AC max capability：AP数量超出AC能力集

·     Processed join request in Run state：在Run状态收到join request

·     Unauthenticated AP tunnel down：未认证AP下线

·     Failed to create AP context：创建AP上下文信息失败

·     Received failure result code in change state event request：CAPWAP状态机状态变迁时收到错误结果码

·     Failed to retransmit message：报文重传失败

·     Failed to download image file：下载AP镜像失败

·     Image file downloaded successfully：AP下载镜像成功重启系统

·     File operation timer expired：打开版本文件超时

·     Failed to add tunnel：添加隧道失败

·     Received WTP tunnel down event from AP：AC收到AP的隧道down事件

·     Backup AC closed the backup tunnel：备份AC关闭备份隧道

·     Master and backup tunnel switchover：主备隧道切换

·     Failed to inherit configuration：继承配置失败

·     AP authentication failed：AP认证失败

·     Backup AP upgrade failed：备份ap升级失败

·     Board is inactive：板非活跃状态

·     Lack of AP license：无AP数量License

·     Encryption status mismatch ：加密运行状态和配置状态不一致