Configuring a Static IP address on your Raspberry Pi - Revision history

Andrum99 at 22:18, 23 December 2012

2012-12-23T22:18:39Z

Andrum99 at 22:17, 23 December 2012

2012-12-23T22:17:12Z

Andrum99 at 22:16, 23 December 2012

2012-12-23T22:16:54Z

Andrum99: Created page with "By default the Raspberry Pi uses DHCP to configure its network interfaces, including, on the model B, the built-in ethernet port. If you want to change this so the ethernet po..."

2012-12-23T22:13:50Z

Created page with "By default the Raspberry Pi uses DHCP to configure its network interfaces, including, on the model B, the built-in ethernet port. If you want to change this so the ethernet po..."

New page

By default the Raspberry Pi uses DHCP to configure its network interfaces, including, on the model B, the built-in ethernet port. If you want to change this so the ethernet port has a static IP address, here's how.

DHCP for eth0 is enabled in the file /etc/network/interfaces. Here is what it looks like by default on a Raspberry Pi under the official version of Raspbian:

<pre>
auto lo

iface lo inet loopback
iface eth0 inet dhcp

allow-hotplug wlan0
iface wlan0 inet manual
wpa-roam /etc/wpa_supplicant/wpa_supplicant.conf
iface default inet dhcp
</pre>

(Note: there is no actual wlan0 interface unless you attach a wireless USB network adapter. The entries that refer to wlan0 are there for when you do ;-) ).

Instead of the line:
<pre>
iface eth0 inet dhcp
</pre>
you need lines like this:
<pre>
iface eth0 inet static
address 192.168.1.1
netmask 255.255.255.0
gateway 192.168.1.254
</pre>

The above example assigns the address 192.168.1.1 to eth0 with a subnet mask of 255.255.255.0, and sets the default gateway to 192.168.1.254.

Edit the file /etc/network/interfaces with the nano utility like this:

<pre>
sudo nano /etc/network/interfaces
</pre>

The second thing you need to do is check that you have a valid DNS server listed in /etc/resolv.conf. Edit this file using nano and add your DNS server if it is not already there. If you are using a broadband router, add the address of your router as the DNS server.

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 {{Template:RPi_Startup}}
-==  ==
+== Configure eth0 to not use DHCP ==
 By default the Raspberry Pi uses DHCP to configure its network interfaces, including, on the model B, the built-in ethernet port. If you want to change this so the ethernet port has a static IP address, here's how.

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	By default the Raspberry Pi uses DHCP to configure its network interfaces, including, on the model B, the built-in ethernet port. If you want to change this so the ethernet port has a static IP address, here's how.		By default the Raspberry Pi uses DHCP to configure its network interfaces, including, on the model B, the built-in ethernet port. If you want to change this so the ethernet port has a static IP address, here's how.