Understood. I've turned off the firewall for the sake of the testing. I was going to get to allowing traffic between the two subnets after the primary issue.
The primary issue is with that suggestion (the iptables rules along with the firewall turned on) or with the firewall turned off, traffic...
I am attempting to introduce a new VLAN (VLAN4, 192.168.4.0/24) to my ASUS RT-AC68U running Merlin 386.2_4. At the moment, I do not want to isolate or otherwise prevent any traffic between this new VLAN4 and the default VLAN1. Please note VLAN1 has the router's default DHCP configuration and in...