192.168.1.12 IP is used for router login and can a computer with an address of 192.168.1.12 use a default gateway address of 172.16.1.1?
Use the link 192.168.1.12 login to login into your home router.
No, a computer with an address of 192.168.1.12 cannot use a default gateway address of 172.16.1.1 because these two are separate networks with different subnet masks. The default gateway is only assigned from the same network.
IP 192.168.1.12 is not used by default on the home router; if you have this IP assigned to your router then most probably it’s the manual configuration.
If we don’t want this IP as the default IP address of our router then we can change the IP address by entering the router setup. To change the IP on our router, we have to change the IP address assigned to the LAN so enter the LAN setup on your router and change the IP address.
We can also change the default wifi username and password and give the other one which is easy to remember. Many times default password configured on the router is not easy to configure so to make it user-friendly, it’s the best practice to change the password however make sure to remember the password as we will not be able to enter the router setup page and the only workaround is by resetting the router to its default setting.
Securing the IP 192.168.1.12
To secure the IP from network threats, it’s the best practice to block access to this IP from internal and external devices.
We can create a separate VLAN and segregate this IP from the other devices.
Configure the proper password on the device on which this IP is being used.
If we have assigned this to the switch port of the switch then we can only allow specific Mac addresses that can be connected to this switchport.
Create a network using the IP 192.168.1.12
Assign this IP to the DHCP server on the network and only allow 10 devices that can be given the IP address through the DHCP server.
Create a sub network and assign IP addresses to 4 PCs from two different subnets.
Create a VLAN on the switch and allow both VLANs to transfer traffic from the same router.
Use the router on a stick to enable the traffic from both VLANs and enable the routing between two VLans
Block the ping requests to 192.168.1.12 IP however other traffic should be allowed.
