Configuring multiple VLANs on your Linksys Gigabit VPN Router, LRT2x4

The 802.1Q is a networking standard that belongs to IEEE 802.  It supports Virtual LANs (VLANs) on an Ethernet network.  This article will demonstrate how to configure VLANs using an LRT2x4 router.
In the network topology below, the company has four (4) departments: HR, Sales, R&D, and Advertising.  The following configuration would only allow Sales (VLAN 2) and Advertising (VLAN 4) departments to communicate with each other but not with other departments. 

DepartmentVLANIP Address
HRVLAN 1192.168.1.0
SalesVLAN 2192.168.2.0
R&DVLAN 3192.168.3.0
AdvertisingVLAN 4192.168.4.0
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Follow the steps below to implement the settings.
Step 1:
On your web browser, access your Linksys Gigabit VPN router’s web-based setup page.  For instructions, click here.
Step 2:
Click Configuration.
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Step 3:
Click Port Management > 802.1Q.  Click
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Step 4:
Add details for VLAN 2, VLAN 3 and VLAN 4.  Click Save after every instance.
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  • VLAN ID – Indicates VLAN ID (VID). 
  • Description – The name of the VLAN.
  • Inter VLAN Routing – If the VLAN is allowed to communicate with other sets of VLAN, the status is shown as Enabled.  The default value is Disabled.
  • Device Management – If the VLAN is allowed to access web-based setup page, the status is shown as Enabled.  The default value is Disabled.
  • LAN1 ~ LAN4 – Indicates the VLAN status of the physical LAN port.  It could be Tagged, UnTagged or Excluded.

NOTE:  After creating the multiple VLANs, you need to configure the DHCP range by clicking Configuration > DHCP.
Step 5:
Set VLAN 2 and VLAN 4’s Inter VLAN Routing as Enabled.

NOTE:  If you want different VLANs to communicate with each other, enable Inter VLAN Routing on both.
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The Sales and Advertising departments should now be able to communicate with each other.

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