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jingzhao-lu
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10-17-2023
03-20-2024
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IP冲突
03-04-2024
我司的dhcp服务器每天都会收到20个左右的 bad address 的错误,然后我用Wireshark收集我的DHCP服务器的网络日志,每次有bad address的错误都会收网关发送给DHCP服务器的信息(如下图) ,我的猜测是该IP应该是在L3上的ARP表上被占用了,导致网关发信息给DHCP说IP冲突,但我查看L3的ARP表上没有查到主动冲突的设备的任何信息。我现在如何能抓到这个主动冲突的设备的信息呢?
回复: IP冲突
03-05-2024
谢谢答复现在调查出来, 有一台PC 不知道为什在某个时间点 没经过DHCP 使用了一个IP (猜想是静态分配) 。最少没经过我知道DHCP,看来要针对这台pc抓包才知道是什么问题。
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