How To Add and Use Taggged and Untagged VLANs Trunks on pfSense Router Interfaces

How To Add and Use Taggged and Untagged VLANs Trunks on pfSense Router Interfaces (Complatible and tested with Cisco switches)

Updated May 13, 2018: Configuration can be done completely within the pfSense GUI Objective: Using VLANs and Trunking to provide subnet 192.168.10.0 tagged on interfaces em3 & em4 to trunked interfaces on switches. Requirements: Available Interfaces em2 (OPT1), em3 (OPT2), em4 (OPT3) 3 subnets each on it's own router interface to its own switch 192.168.10.0 on em2 (VLAN10) 192.168.20.0 on em3 (VLAN20) 192.168.30.0 on em4 (VLAN30) Note: 192.168.10.0 on em2 will be untagged 192.168.10.0 on em3 will be tagged 192.168.10.0 on em4 will be tagged 192.168.20.0 on em3 will be untagged 192.168.30.0 on em4 will be untagged This was developed on pfSense 2.4.3-RELEASE (amd64) built on Mon Mar 26 18:02:04 CDT 2018 FreeBSD 11.1-RELEASE-p7 (Click on screenshots to zoom, back buttion to return) Source: http://www.curtronics.com/Networking/pfSense/pfSenseTrunkedVLANs.html