IP guard address switch back to wrong address

I have a laptop whose returning custody 192.168.0.91 on WiFi IP address or 192.168.0.93 with Ethernet and router to 192.68.0.1. The address should be 192.168.1.xx and the router 192.168.1.1.

If I open/close the WiFi or to renew the lease, the right address is displayed temporarily, before returning to a bad.

The system was on the Mavericks. I just updated the machine to El Capitan, but that made no difference.

Any suggestion is welcome.

TIA.

It seems that you may have more than one DHCP server on your local network.

What is the basic configuration of your current network? In other words, what is the brand & model of your modem, gateway or router? You have a dedicated server or another client on the network that provides the DHCP service?

Tags: Mac OS & System Software

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