$ifconfig results are as follows:
Eth0: flags=4163 & lt; The UP, the BROADCAST, RUNNING, MULTICAST> Mtu 1500
Inet 172.18.217.207 netmask 255.255.240.0 broadcast 172.18.223.255

Calculate the subnet address: 172.18.208.0 (172.18.11010000.0)
The broadcast address: 172.18.223.255 (172.18.11101111.255)
Feel how broadcast address and the subnet addresses do not match, what do you mean this?

CodePudding user response:

Because of your wrong

CodePudding user response:

reference 1st floor Runnerchin response:

because you wrong

where is wrong?

CodePudding user response:

Decimal is by the way, the broadcast address binary wrong

CodePudding user response:

223 as 239