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    Problem to configure network for guest with tagged and untagged vlan

    I have a physical opnsense firewall with 4 NICs. The NICs are used for WAN, DMZ, and 2 separate environments. The traffic of each NICs will again be separated into different VLANs. My switch assigns the untagged traffic for each NIC to a different VLAN. This works fine. I want now to setup a...