The problem with the IPV6 enabled on your D-Link router is that anyone with access to the internet can easily access the devices connected to the network. The issue occurs because the router is a small device that is not capable of handling the IPv6. The one main advantage of having the IPv6 over the IPv4 is that the IPv6 has a larger address space. Also, in addition to the number of addresses, the IPv6 also has additional features compared to that of the IPv4. Carry out the below steps to know how to disable Ipv6 on Dlink router.
Open the default browser on your computer connected to the router.
Enter the D-Link router IP address in the address bar and press the Enter button.
The D-Link router login page will now open.
Enter the default login credentials of the router. The credentials are: