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The default gateway is the router’s IP address. Normally, the connection port will be automatically found by the operating system during the installation process, but you may need to change it, especially if the computer has many adapters or routers on the network. .
Steps
Using Terminal
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Open the Terminal application. You can open Terminal from the sidebar, or press Ctrl + Alt + T .
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View the current default gateway. You can check which default gateway is installed by typing route and then pressing ↵ Enter . The address next to the word “default” is your default gateway and the interface to which it is assigned will be displayed on the right side of the table.
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Delete the current default gateway. If the computer has multiple default gateways set up, connection conflicts may occur. If you want to change the current IP address of your router, you should delete it first.
- Enter the command sudo route delete default gw IP Address Adapter . For example, to delete the default gateway 10.0.2.2 on the eth0 router, type sudo route delete default gw 10.0.2.2 eth0 .
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Enter command . sudo route add default gw IP Address Adapter . For example, if you want to change the IP address of your router eth0 to 192.168.1.254, type sudo route add default gw 192.168.1.254 eth0 . You will be asked to enter your user password to complete the command.
Edit config file
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Open the configuration file with an editor. Type the command sudo nano /etc/network/interfaces to open the file in the Nano software. Editing the system files will preserve your changes every time the computer restarts.
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Navigate to the appropriate section. Find the section about the router for which you want to change the IP address. For a wired connection, the router is usually eth0 .
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Add . gateway IP Address into this section. For example, type gateway 192.168.1.254 to set the default gateway to 192.168.1.254.
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Save your changes and exit. Press Ctrl + X then press Y to save changes and exit.
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Restart the network. Restart your network by typing the command sudo /etc/init.d/networking restart . [1] X Research Source
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wikiHow is a “wiki” site, which means that many of the articles here are written by multiple authors. To create this article, 10 people, some of whom are anonymous, have edited and improved the article over time.
This article has been viewed 4,487 times.
The default gateway is the router’s IP address. Normally, the connection port will be automatically found by the operating system during the installation process, but you may need to change it, especially if the computer has many adapters or routers on the network. .
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