使用ping命令演示

>sudo arp -da

Password:
192.168.31.1 (192.168.31.1) deleted
192.168.31.11 (192.168.31.11) deleted
192.168.31.48 (192.168.31.48) deleted
192.168.31.72 (192.168.31.72) deleted
192.168.31.95 (192.168.31.95) deleted
192.168.31.99 (192.168.31.99) deleted
192.168.31.110 (192.168.31.110) deleted
192.168.31.114 (192.168.31.114) deleted
192.168.31.144 (192.168.31.144) deleted
192.168.31.192 (192.168.31.192) deleted
192.168.31.211 (192.168.31.211) deleted
192.168.31.224 (192.168.31.224) deleted
192.168.31.241 (192.168.31.241) deleted
192.168.31.252 (192.168.31.252) deleted
224.0.0.251 (224.0.0.251) deleted
239.255.255.250 (239.255.255.250) deleted

> ping 192.168.31.144

PING 192.168.31.144 (192.168.31.144): 56 data bytes
Request timeout for icmp_seq 0
Request timeout for icmp_seq 1
Request timeout for icmp_seq 2
Request timeout for icmp_seq 3
ping: sendto: Host is down
Request timeout for icmp_seq 4
ping: sendto: Host is down
Request timeout for icmp_seq 5
ping: sendto: Host is down
Request timeout for icmp_seq 6
ping: sendto: Host is down

Wireshark 抓包

广播消息样例

 响应包示例

查看ARP表

> arp -a

xiaoqiang (192.168.31.1) at 88:c3:97:c9:9f:54 on en1 ifscope [ethernet]
mrbond-airer-m1super_mibta8ff (192.168.31.48) at 40:31:3c:47:a8:ff on en1 ifscope [ethernet]
luyudeiphone (192.168.31.72) at de:72:87:a5:e1:1b on en1 ifscope [ethernet]
zhimi-aircondition-ma4_mibt53c0 (192.168.31.95) at 40:31:3c:4c:53:c0 on en1 ifscope [ethernet]
limingzeipadpro (192.168.31.99) at 9a:e:61:7c:e3:8d on en1 ifscope [ethernet]
yeelink-light-ceiling7_mibt479a (192.168.31.110) at 4:cf:8c:31:47:9a on en1 ifscope [ethernet]
limingzede-ipad (192.168.31.144) at 54:ae:27:4e:98:a on en1 ifscope [ethernet]
yeelink-light-ceiling7_mibtf6c5 (192.168.31.192) at 40:31:3c:43:f6:c5 on en1 ifscope [ethernet]
bogon (192.168.31.211) at ec:41:18:e:df:a3 on en1 ifscope [ethernet]
yeelink-light-ceiling12_mibt382c (192.168.31.224) at 40:31:3c:42:38:2c on en1 ifscope [ethernet]
iphone (192.168.31.241) at 32:68:b3:6d:88:c1 on en1 ifscope [ethernet]
yeelink-light-ceiling7_mibte7fc (192.168.31.252) at 40:31:3c:41:e7:fc on en1 ifscope [ethernet]
? (224.0.0.251) at 1:0:5e:0:0:fb on en1 ifscope permanent [ethernet]
? (239.255.255.250) at 1:0:5e:7f:ff:fa on en1 ifscope permanent [ethernet]