谢谢。另外我昨天晚上想了想，有没有可能是路由器和网卡自动协商不稳定，老是重新协商的问题？能否进路由 ...
目前还没有这个功能，只能看状态哦 请问楼主的问题解决了吗，我的RT-AC86U在升级固件3.0.0.4.384_20308以后也经查出现同样的情况。
Mar3 11:23:50 kernel: eth3 (Ext switch port: 2) (Logical Port: 10) Link DOWN.
Mar3 11:23:52 kernel: eth3 (Ext switch port: 2) (Logical Port: 10) Link UP 10 mbps full duplex
Mar3 11:24:01 kernel: eth3 (Ext switch port: 2) (Logical Port: 10) Link DOWN.
Mar3 11:24:04 kernel: eth3 (Ext switch port: 2) (Logical Port: 10) Link UP 1000 mbps full duplex
Mar3 11:24:05 kernel: eth3 (Ext switch port: 2) (Logical Port: 10) Link DOWN.
Mar3 11:24:08 kernel: eth3 (Ext switch port: 2) (Logical Port: 10) Link UP 1000 mbps full duplex
Mar3 11:24:09 kernel: eth3 (Ext switch port: 2) (Logical Port: 10) Link DOWN.
Mar3 11:24:13 kernel: eth3 (Ext switch port: 2) (Logical Port: 10) Link UP 1000 mbps full duplex
Mar3 11:24:14 kernel: eth3 (Ext switch port: 2) (Logical Port: 10) Link DOWN.
Mar3 11:24:17 kernel: eth3 (Ext switch port: 2) (Logical Port: 10) Link UP 1000 mbps full duplex
Mar3 11:24:18 kernel: eth3 (Ext switch port: 2) (Logical Port: 10) Link DOWN.
Mar3 11:24:22 kernel: eth3 (Ext switch port: 2) (Logical Port: 10) Link UP 1000 mbps full duplex
Mar3 11:24:23 kernel: eth3 (Ext switch port: 2) (Logical Port: 10) Link DOWN.
Mar3 11:24:26 kernel: eth3 (Ext switch port: 2) (Logical Port: 10) Link UP 1000 mbps full duplex
Mar3 11:24:28 kernel: eth3 (Ext switch port: 2) (Logical Port: 10) Link DOWN.
Mar3 11:24:31 kernel: eth3 (Ext switch port: 2) (Logical Port: 10) Link UP 1000 mbps full duplex
Mar3 11:24:32 kernel: eth3 (Ext switch port: 2) (Logical Port: 10) Link DOWN.
Mar3 11:24:36 kernel: eth3 (Ext switch port: 2) (Logical Port: 10) Link UP 1000 mbps full duplex
Mar3 11:24:37 kernel: eth3 (Ext switch port: 2) (Logical Port: 10) Link DOWN.
Mar3 11:24:40 kernel: eth3 (Ext switch port: 2) (Logical Port: 10) Link UP 100 mbps full duplex
Mar3 11:53:43 kernel: eth3 (Ext switch port: 2) (Logical Port: 10) Link DOWN.
Mar3 11:53:46 kernel: eth3 (Ext switch port: 2) (Logical Port: 10) Link UP 1000 mbps full duplex
Mar3 11:53:49 kernel: eth3 (Ext switch port: 2) (Logical Port: 10) Link DOWN.
Mar3 11:53:51 kernel: eth3 (Ext switch port: 2) (Logical Port: 10) Link UP 1000 mbps full duplex
Mar3 11:53:53 kernel: eth3 (Ext switch port: 2) (Logical Port: 10) Link DOWN.
Mar3 11:53:55 kernel: eth3 (Ext switch port: 2) (Logical Port: 10) Link UP 1000 mbps full duplex
Mar3 11:53:57 kernel: eth3 (Ext switch port: 2) (Logical Port: 10) Link DOWN.
Mar3 11:54:00 kernel: eth3 (Ext switch port: 2) (Logical Port: 10) Link UP 1000 mbps full duplex
Mar3 11:54:02 kernel: eth3 (Ext switch port: 2) (Logical Port: 10) Link DOWN.
Mar3 11:54:05 kernel: eth3 (Ext switch port: 2) (Logical Port: 10) Link UP 1000 mbps full duplex
Mar3 11:54:06 kernel: eth3 (Ext switch port: 2) (Logical Port: 10) Link DOWN.
Mar3 11:54:10 kernel: eth3 (Ext switch port: 2) (Logical Port: 10) Link UP 1000 mbps full duplex
Mar3 11:54:11 kernel: eth3 (Ext switch port: 2) (Logical Port: 10) Link DOWN.
Mar3 11:54:14 kernel: eth3 (Ext switch port: 2) (Logical Port: 10) Link UP 1000 mbps full duplex
Mar3 11:54:15 kernel: eth3 (Ext switch port: 2) (Logical Port: 10) Link DOWN.
Mar3 11:54:18 kernel: eth3 (Ext switch port: 2) (Logical Port: 10) Link UP 1000 mbps full duplex
Mar3 11:54:20 kernel: eth3 (Ext switch port: 2) (Logical Port: 10) Link DOWN.
Mar3 11:54:23 kernel: eth3 (Ext switch port: 2) (Logical Port: 10) Link UP 100 mbps full duplex
Mar3 11:55:04 kernel: eth3 (Ext switch port: 2) (Logical Port: 10) Link DOWN.
Mar3 11:55:07 kernel: eth3 (Ext switch port: 2) (Logical Port: 10) Link UP 1000 mbps full duplex
Mar3 11:55:08 kernel: eth3 (Ext switch port: 2) (Logical Port: 10) Link DOWN.
Mar3 11:55:12 kernel: eth3 (Ext switch port: 2) (Logical Port: 10) Link UP 1000 mbps full duplex
Mar3 11:55:14 kernel: eth3 (Ext switch port: 2) (Logical Port: 10) Link DOWN.
Mar3 11:55:16 kernel: eth3 (Ext switch port: 2) (Logical Port: 10) Link UP 1000 mbps full duplex
Mar3 11:55:18 kernel: eth3 (Ext switch port: 2) (Logical Port: 10) Link DOWN.
Mar3 11:55:20 kernel: eth3 (Ext switch port: 2) (Logical Port: 10) Link UP 1000 mbps full duplex
Mar3 11:55:22 kernel: eth3 (Ext switch port: 2) (Logical Port: 10) Link DOWN.
Mar3 11:55:25 kernel: eth3 (Ext switch port: 2) (Logical Port: 10) Link UP 1000 mbps full duplex
Mar3 11:55:27 kernel: eth3 (Ext switch port: 2) (Logical Port: 10) Link DOWN.
Mar3 11:55:30 kernel: eth3 (Ext switch port: 2) (Logical Port: 10) Link UP 1000 mbps full duplex
Mar3 11:55:31 kernel: eth3 (Ext switch port: 2) (Logical Port: 10) Link DOWN.
Mar3 11:55:35 kernel: eth3 (Ext switch port: 2) (Logical Port: 10) Link UP 1000 mbps full duplex
Mar3 11:55:36 kernel: eth3 (Ext switch port: 2) (Logical Port: 10) Link DOWN.
Mar3 11:55:39 kernel: eth3 (Ext switch port: 2) (Logical Port: 10) Link UP 1000 mbps full duplex
Mar3 11:55:40 kernel: eth3 (Ext switch port: 2) (Logical Port: 10) Link DOWN.
Mar3 11:55:43 kernel: eth3 (Ext switch port: 2) (Logical Port: 10) Link UP 100 mbps full duplex
silky 发表于 2018-3-3 12:05
请问楼主的问题解决了吗，我的RT-AC86U在升级固件3.0.0.4.384_20308以后也经查出现同样的情况。
Mar3 11:23: ...
仍未解决，能测的都测了，路由器也换货了，仍然有问题。
假设路由器没问题的话，就可能是网线的问题了，拉一根明线到路由器好像出现的几率低了，正在测试中。下一步准备把向把网线只接1236四芯，强行降速到100M，看看是不是跟自动协商有关系。
你之前的没问题的吗？升级固件后出现的？我看你的也有100M和1000M切换的问题。
e1ppa 发表于 2018-3-3 16:40
仍未解决，能测得都测了，路由器也换货了，仍然有问题。
假设路由器没问题的话，就可能是网线的问题了， ...
我是升级以后出现的，原来固件是偶尔WAN口闪断，升级完变成LAN口闪断了。。。 wjc0727 发表于 2018-3-7 09:13
同样的问题 楼主解决了么？？看来这个问题不是个案
仍未解决，已换路由器问题依旧。 wjc0727 发表于 2018-3-7 09:13
同样的问题 楼主解决了么？？看来这个问题不是个案
换了个思路，为了加强端口协商能力，降低断线几率，我从墙上模块下接了个网件的3700V4，刷DDWRT，通过墙内线接RT-AC86U，3700V4当交换机使用再接PC。
RT-AC86U日志不提示断线了，但是还有断线情况，3700V4的日志好像没有断线，想了几天也没想明白...... wjc0727 发表于 2018-3-7 12:05
我准备换6类线试试
我走6类的明线后好像不出类似的问题了，你可以试试看。
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