我有一台桌上型電腦、一台筆記型電腦和一台安卓手機。我在桌上型電腦上創建了一個WiFi 熱點，這樣我就可以在行動裝置上以及筆記型電腦上使用互聯網，而且效果很好，但現在我想透過WiFi 發送我的文件，所以我很好地使用Filezilla，我可以發送我的文件從桌上型電腦-行動裝置發送文件，但無法連接桌上型電腦和筆記型電腦，但網路也可以在筆記型電腦上運行。
所以我開始修補，發現我甚至無法從筆記型電腦 ping 到我的預設網關，反之亦然（預設網關是我的桌上型電腦）。
桌面-行動
C:\>ping 192.168.137.41
Pinging 192.168.137.41 with 32 bytes of data:
Reply from 192.168.137.41: bytes=32 time=265ms TTL=64
Reply from 192.168.137.41: bytes=32 time=1ms TTL=64
Reply from 192.168.137.41: bytes=32 time=1ms TTL=64
Reply from 192.168.137.41: bytes=32 time=92ms TTL=64
Ping statistics for 192.168.137.41:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 1ms, Maximum = 265ms, Average = 89ms
桌上型筆記型電腦
C:\>ping 192.168.137.22
Pinging 192.168.137.22 with 32 bytes of data:
Request timed out.
Request timed out.
Request timed out.
Request timed out.
Ping statistics for 192.168.137.22:
Packets: Sent = 4, Received = 0, Lost = 4 (100% loss),
筆記型電腦-桌上型電腦
C:\>ping 192.168.137.1
Pinging 192.168.137.1 with 32 bytes of data:
Request timed out.
Request timed out.
Request timed out.
Request timed out.
Ping statistics for 192.168.137.1:
Packets: Sent = 4, Received = 0, Lost = 4 (100% loss),
筆記型電腦 arp-a
C:>arp -a
Interface: 192.168.137.22 --- 0xd
Internet Address Physical Address Type
192.168.137.1 00-26-82-e1-07-72 dynamic
192.168.137.255 ff-ff-ff-ff-ff-ff static
224.0.0.22 01-00-5e-00-00-16 static
224.0.0.251 01-00-5e-00-00-fb static
224.0.0.252 01-00-5e-00-00-fc static
239.192.152.143 01-00-5e-40-98-8f static
239.255.255.250 01-00-5e-7f-ff-fa static
255.255.255.255 ff-ff-ff-ff-ff-ff static