| Description | This article describes troubleshooting steps if getting Duplicate IP message or IP conflict log. |
| Scope | 7.0+. |
| Solution |
If getting a Windows event notification that there is an IP conflict and the Mac address of that is matching with FortiGate then it may be related to IP Pool configuration.
If for example, an IP Conflict for 192.168.2.1 is shown, then an IP Pool similar to this should exist:
Here disable the ARP Reply option and select ‘Ok’. Then a configuration should appear as shown below:
This should resolve the IP Conflict. With the ARP reply enabled, FortiGate responds to ARP requests which can cause IP conflict in the environment. |
