How to Set Up a Static IP Address

Nizam Ud Deen2 weeks agoLast Updated: July 8, 2026

0 32 9 minutes read

To set up a static IP, the cleaner way is to create a DHCP reservation in your router that ties the device MAC address to a fixed IP; the alternative is to set a static IP directly in the device network settings. Either way you fix one device to one local address that does not change between reconnects. A reservation keeps the router in charge of the address, so it never hands that IP to another device. A manual static IP is set on the device itself and must use the right subnet mask, gateway, and DNS, and sit outside the router DHCP range. You want a fixed address for port forwarding, network printers, and home servers, which all break when DHCP changes the address.

Reservationrouter ties a fixed IP to the device MAC, the recommended way

ipconfig /allreports the IP, subnet mask, gateway, and MAC you need

4 fieldsa manual static IP needs IP, subnet mask, gateway, DNS

Outside poola manual static IP must sit beyond the DHCP range

This guide fixes one device to the same local IP every time it connects, which port forwarding, network printers, and home servers depend on. You will read the current values with ipconfig /all, then either reserve the IP by MAC address in the router or enter a manual static IP in the Windows adapter properties, and verify the result. A static IP address is a fixed local address that does not change between reconnects, unlike the changing address DHCP normally assigns. The background on the protocol that hands out those addresses is in the guide to DHCP.

Table of Contents

What Is a Static IP and Why Set One?

A static IP is a local address that stays the same every time a device connects, so other devices can always reach it at the same place. By default a router runs DHCP, which leases out addresses from a pool and can give a device a different one after a reboot or lease expiry. That is fine for a phone or laptop that only reaches out, but it breaks anything other devices connect to.

Port forwarding: a forwarding rule points at one internal IP, so the game server or remote host behind it must keep that address. If DHCP changes it, the rule points at the wrong machine. The rules are in the guide to set up port forwarding.
Network printers: a printer added by IP fails when DHCP gives it a new address, so a fixed address keeps the print path valid.
Home servers and NAS: a file, media, or web server is reached by a fixed address that mapped drives and bookmarks rely on.
Cameras and smart hubs: a steady address keeps a camera feed or hub controller reachable at the same location.

DHCP Reservation vs Manual Static IP

Both fix a device to one address, but they differ in where the address is configured and which side keeps two devices from clashing.

DHCP reservation (in the router)

The router maps the device MAC address to a fixed IP and always hands back that same address over DHCP. The device stays on automatic settings, and the router tracks the reservation so it never assigns that IP to anything else. Best for: almost every home setup, and any case where you would rather not edit each device.

Manual static IP (on the device)

You enter the IP, subnet mask, gateway, and DNS in the device network settings yourself, and the address travels with the device. You have to pick an address outside the DHCP pool by hand, or the router may lease it to another device. Best for: a router with no reservation feature, or a device that must hold its address regardless of the router.

The mechanism behind a reservation is standard DHCP: the server matches the client hardware address (the MAC in the request) against a configured map and offers the bound IP, an approach also called static DHCP allocation or MAC-to-IP binding. Because the router owns the pool and the reservation list, it can guarantee the address is used once.

What You Need Before You Start

Gather these details and access first, so the address you fix does not conflict with another device.

The current IP, gateway, and subnet mask. ipconfig /all on Windows reports each value the static configuration reuses.
The DHCP range of the router. The router DHCP settings show the pool, so a manual static address can sit outside it.
The device MAC address. A DHCP reservation ties a fixed IP to this hardware address.
Administrator access on Windows. Editing adapter properties needs an account with administrator rights.
The router admin login. A reservation is created on the router admin page at the gateway address.
The DNS server addresses. A manual static configuration must set DNS, such as the router or a public resolver.

How Do I Find the Current IP, Gateway, and Subnet?

Read the values the static configuration reuses with one command before you change anything. The ipconfig /all command reports every value on one screen.

Open Command Prompt. Press the Windows key, type cmd, and open Command Prompt.
Run the command. Type ipconfig /all and press Enter.
Read the IPv4 Address. Under the active adapter, such as 192.168.1.50, this is the current address.
Read the subnet mask and gateway. The mask is commonly 255.255.255.0 and the Default Gateway is commonly 192.168.1.1.
Note the Physical Address. This line is the MAC address a DHCP reservation needs.

The gateway is the router address, and the subnet mask defines the local network size. The full meaning of each value is in the guide to find your IP address.

How to Set a DHCP Reservation in the Router

Reserving the IP by MAC address ties a fixed address to the device while the router still manages it. The reservation lives in the router DHCP settings, so the device needs no manual address.

Reserve the IP by MAC Address in the Router - How to Set Up a Static IP Address

Sign in to the router. Open the router admin page at the default gateway address from ipconfig /all.
Open the DHCP settings. These are often under LAN, Network, or DHCP Server.
Find the reservation list. Look for address reservation, static lease, or DHCP reservation.
Add the reservation. Enter the device MAC address and the fixed IP you want it to keep.
Save and reconnect. Save the reservation, then reconnect the device so it receives the reserved address from DHCP.

A reservation keeps the device on automatic settings while always handing it the same address. This is the address a port forwarding rule depends on, as covered in the guide to set up port forwarding.

How to Set a Manual Static IP on Windows

Setting a static IP in the Windows adapter properties fixes the address on the device itself through the IPv4 settings. The configuration replaces the automatic DHCP assignment with manual values, so it must include the subnet mask, gateway, and DNS.

Set a Static IP in the Windows Adapter Properties - How to Set Up a Static IP Address

Open the connection settings. Go to Settings, then Network and Internet, then select the active Ethernet or Wi-Fi connection.
Edit the IP assignment. Find IP assignment, select Edit, choose Manual, and turn on IPv4.
Enter the IP address. Use the chosen static IP, such as 192.168.1.200, taken from outside the DHCP range.
Enter the subnet mask, gateway, and DNS. Add the subnet mask or prefix length, the gateway address, and the preferred and alternate DNS servers from earlier.
Save the settings. Select Save, or on older Windows use Control Panel, Network Connections, adapter Properties, Internet Protocol Version 4 to enter the same values.

The static IP must sit outside the DHCP pool so the router never assigns it to another device. The DNS field can hold the router address or a public resolver. The same fields appear on phones, printers, and smart devices that offer a manual IP option.

A DHCP reservation in the router is the cleaner way. It gives the device a fixed address while letting the router keep ownership of the pool, so it never leases that IP to anything else and you never have to dodge the DHCP range by hand. A manual static IP puts both jobs on you: pick an address outside the pool and set the subnet mask, gateway, and DNS correctly. Use a reservation by default, and fall back to a manual static IP only when the router has no reservation feature.

How Do I Verify the Static IP and Avoid Conflicts?

Confirm the device holds the fixed address and reaches the network without a conflict. A conflict appears when two devices claim the same address.

Run ipconfig on the device and confirm the IPv4 Address matches the static or reserved address.
Open a website to confirm the device still reaches the internet through the gateway.
Ping the static address from another device to confirm it responds.
Confirm the static address sits outside the DHCP pool so the router cannot assign it elsewhere.
Watch for an IP conflict warning in Windows, which signals two devices share the address.

An address inside the DHCP pool risks a conflict when the router hands the same IP to a second device. This is exactly the problem a DHCP reservation avoids, since the router tracks the reserved address and never leases it twice.

Which Devices Need a Static IP?

Limit fixed addresses to the hardware that other devices connect to. Most devices work well on automatic DHCP, while a few roles depend on a steady address.

A network printer needs a static IP. A printer added by IP fails when DHCP gives it a new address, so a reservation keeps the print path valid. The setup is in the guide to set up a network printer.
A port forwarding target needs a static IP. A forwarding rule points at one internal IP, so the game server or remote host must hold that address.
A home server or NAS needs a static IP. A file, media, or web server is reached by a fixed address that mapped drives and bookmarks rely on.
A network camera or smart hub benefits from a static IP. A steady address keeps the camera feed and hub controller reachable at the same location.
Phones and laptops rarely need a static IP. Devices that only consume the connection work well on automatic DHCP and need no reservation.

Common Mistakes to Avoid

Choosing an IP inside the DHCP pool. An address the router can also assign leads to two devices claiming the same IP.
Skipping the gateway or DNS fields. A manual static IP without a gateway and DNS cannot reach the internet.
Setting the same IP on two devices. A duplicate static address causes a conflict that drops both devices.
Editing the wrong adapter. The change must apply to the active Ethernet or Wi-Fi adapter, not an inactive one.
Using the wrong subnet mask. A mask that does not match the network isolates the device from the gateway.

Last Thoughts on Setting Up a Static IP

Setting up a static IP comes down to one choice: reserve the address in the router by MAC, or enter it by hand in the device network settings. Read the current IP, gateway, and subnet with ipconfig /all, then either add a DHCP reservation or fill in the IP, subnet mask, gateway, and DNS in the Windows adapter properties, and verify the device holds the address and still reaches the internet. The reservation is the recommended way because the router owns the address and keeps two devices from ever clashing.

A fixed address is most often needed for a forwarding rule, covered in the guide to set up port forwarding, and the values reused here are explained in the guide to find your IP address. The collected setup guides sit on the PC tutorials hub.

Key Takeaways:

A static IP keeps a device on the same local address, which port forwarding, printers, and servers depend on.
A DHCP reservation in the router is the recommended way, because the router ties the IP to the MAC and avoids conflicts.
A manual static IP is set on the device with the IP, subnet mask, gateway, and DNS, and must sit outside the DHCP pool.
Read the values you need with ipconfig /all: IPv4 address, subnet mask, default gateway, and the physical MAC address.
On Windows, set a manual static IP under Settings, Network and Internet, IP assignment, Edit, Manual, with IPv4 on.
Verify with ipconfig and a ping, and keep the address outside the DHCP range to prevent a conflict.

Frequently Asked Questions (FAQs)

Is a DHCP reservation better than a manual static IP?

For a home network, yes. A DHCP reservation lets the router track the address against the device MAC, so it never hands the same IP to another device. A manual static IP relies on you choosing an address outside the pool by hand, which is easier to get wrong.

What subnet mask, gateway, and DNS do I enter for a static IP?

Use the same values ipconfig /all reports for the working connection. On a typical home network that is a subnet mask of 255.255.255.0, a gateway of 192.168.1.1, and a DNS server of either the router address or a public resolver.

How do I find my device MAC address for a reservation?

Run ipconfig /all in Command Prompt and read the Physical Address line under the active adapter. That twelve-character value is the MAC address you enter when you add the DHCP reservation in the router.

Why does port forwarding need a static IP?

A forwarding rule points at one fixed internal IP. If DHCP later gives the target device a new address, the rule points at the wrong machine and stops working. A static IP or a DHCP reservation keeps the device on the address the rule expects.

Will a static IP slow down or break my internet?

No, as long as the subnet mask, gateway, and DNS are correct and the address sits outside the DHCP pool. A missing gateway or DNS entry, or an address inside the pool, is what causes a device to lose internet or trigger a conflict.

Can I set a static IP on a phone or printer instead of Windows?

Yes. Most phones, printers, and smart devices have a manual or static IP option in their network settings using the same fields. A DHCP reservation on the router is usually cleaner, because it fixes the address for any device without editing each one.