Good bosses, today saw a DHCP IP address conflict detection function, gives birth to a doubt, as is known to all, the firewall system at the window, and the ping,
If open DHCP can conflict detection function of the effect, is how to implement, can explain it for me? Thank you ~

CodePudding user response:

DHCP USES UDP ports 67 and 68, firewall no to disable the two ports, the DHCP service is not affected

CodePudding user response:

reference 1/f, ice cream, jelly and response:

DHCP USES UDP ports 67 and 68, no firewall to disable these two ports, the DHCP service is not affected

A great god

CodePudding user response:

The DHCP server will record the MAC address and IP address has corresponding relation, general won't appear the IP allocation conflict, the Windows operating system achieves IP DHCP, send arp message three times to test environment whether there is a IP conflict, so, will change their IP to 169.254. 7.0.x.x,, can't get to the Internet through a router, may refer to https://blog.csdn.net/wj31932/article/details/97016130