10.2. Configure 802.1Q VLAN tagging Using the Text User Interface, nmtui
The text user interface tool nmtui can be used to configure 802.1Q VLANs in a terminal window. Issue the following command to start the tool:
~]$ nmtui
The text user interface appears. Any invalid command prints a usage message.
To navigate, use the arrow keys or press Tab to step forwards and press Shift+Tab to step back through the options. Press Enter to select an option. The Space bar toggles the status of a check box.
From the starting menu, select Edit a connection. Select Add, the New Connection screen opens.
![The NetworkManager Text User Interface Add a VLAN Connection menu](https://access.redhat.com/webassets/avalon/d/Red_Hat_Enterprise_Linux-7-Networking_Guide-en-US/images/e5f8b5323a1b32b87fb5742d018cdb82/nmtui_Add_a_Connection_VLAN.png)
Figure 10.1. The NetworkManager Text User Interface Add a VLAN Connection menu
Select VLAN, the Edit connection screen opens. Follow the on-screen prompts to complete the configuration.
![The NetworkManager Text User Interface Configuring a VLAN Connection menu](https://access.redhat.com/webassets/avalon/d/Red_Hat_Enterprise_Linux-7-Networking_Guide-en-US/images/b8d6bd114493e2c310ada37a31bcff55/nmtui_Add_a_Connection_VLAN_Detail.png)
Figure 10.2. The NetworkManager Text User Interface Configuring a VLAN Connection menu
See Section 10.5.1.1, “Configuring the VLAN Tab” for definitions of the VLAN terms.
See Section 3.2, “Configuring IP Networking with nmtui” for information on installing nmtui.