# Multiple VLAN

### 1. Summary

In this page you can make multiple VLAN settings.
The Multiple VLAN function is used to divide ports for one switch into different groups and prohibit communication between the groups.
A single port can belong to multiple groups, so that the same network address can be assigned even to different groups.
If both the multiple VLAN and port-based VLAN / tagged VLAN are used, communication is not possible between ports that belong to different VLANs, even if the ports belong to same multiple-VLAN group.

### 2. Top page

This is the top page for multiple VLANs.

#### 2.1. Multiple VLAN settings

- The multiple VLAN group settings are shown for each LAN port and logical interface.

- Press the "Setting" button to access a page where you can change the settings for the multiple VLAN of the selected interface.

- If you press the "Specify all" button, the settings can be changed for all LAN ports and logical interfaces whose check box contains a check mark.

- If you press the "Return to defaults" button, the settings will be initialized for all LAN ports and logical interfaces whose check box contains a check mark.

  - In default settings, no interfaces belong to a group.

### 3. Multiple VLAN settings page

In this page you can make the multiple VLAN settings.
Enter the settings, and then press the "Confirm" button.
If there are no mistakes in the setting confirmation screen, press the "OK" button.

#### 3.1. Multiple VLAN settings

- Port

  - The LAN port or logical interface for which settings are made is shown

- Group

  - Select the VLAN groups to join.

  - Press the "Select" button to display the "Multiple VLAN group selection" dialog box.

  - Groups to join a VLAN can be selected by selecting the corresponding checkboxes in the “Multiple VLAN group selection” dialog and pressing the “OK” button.

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