The home router itself uses address 192.168.1.254 and so it leaves me 192.168.1.1-.192.168.1.63 for allocating to static clients if needed. You should note that the allocation range on my home router is 192.168.1.64-192.168.1.253. You usually leave these as the default settings are usually adequate. This is normally selected to make the DHCP server authoritative for this address pool as it is usually the only server on the network. This is normally selected to make the DHCP server active (on). If you go the admin page on your home router you will see DHCP configuration options similar to the screen shot below. On home networks there is generally nothing to be configured. If you are thinking of using another device to be a DHCP server it is important to understand that you can only have one DHCP server on a network. However you can use another computer e.g raspberry pi as a DHCP server, but it is generally not done. Most home routers will have the DHCP server enabled by default (turned on). On home networks the DHCP server is on the home router or home hub. This renewal process happens in the background, and doesn’t require any user intervention.Ī DHCP client will request to keep it’s IP address when it renews which is why device IP addresses don’t normally change on home networks. IP addresses from a DHCP server are normally leased, and must be renewed periodically. The DHCP server is configured with a range of IP addresses that it can assign, and also with other settings like DNS servers, default gateway addresses etc. DHCP ServerĪ DHCP server is responsible for allocating IP address and other information to requesting clients. However they are both configurable as seen in the screen shot above. The client can obtain an IP address from the DHCP server and also the DNS server addresses. When you enable the setting to obtain IP address automatically you are enabling the DHCP client. If you go to you adaptor settings page (see this tutorial for windows 10) or Wi-Fi settings page you will see a page similar to the one below: The DHCP protocol consists of two components.Īll modern operating systems come equipped with a DHCP client, and by default, they are all configured to use DHCP.Ī DHCP client is responsible for requesting an IP address and assigning it to the computer etc. computers.ĭHCP allows devices to join a home network without the need for any device setup. (Optional) If this service is disabled and no other DHCP server is on your network, set your computer IP addresses manually so that they can access the cable modem router.įor more information, see How can I troubleshoot my cable modem?.DHCP stands for Dynamic Host configuration protocol and provides a mechanism for automatically allocating IP (IPv4) addresses to network devices e.g. Clear the Use Router as DHCP Server check box. The user name and password are case-sensitive.
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