So, got my new ER605 today, followed the setup guide here https://www.tp-link.com/uk/support/faq/3148/ Set the IP address of the ER605 LAN in stand alone mode to be the same as my existing subnet,...

@Virgo Thanks for getting back to me... Reading the docs, when setting up a new wired network, it looks like the 'Interface' option sets up a Layer 3 VLAN, and 'VLAN' option sets up a Layer 2 VLAN I...

@G.V.S An example of the contradiction is in this article https://www.tp-link.com/uk/support/faq/2814/ Its about creating a management VLAN, and right at the end, in red, is written : "Note: We...

@Fae This guide assumes you already have a network with an adopted Omada router, so the process fails at the first step, because I'm trying to adopt a new router that does not have a management VLAN...

@G.V.S Yes, this makes perfect sense.., separate by default, allow by exception... This also leads me to conclude I'm going to have to completely restructure my network and get rid of my Management...

@G.V.S I'm just about to get an ER605, and reading up on this I thought the exact opposite was true i.e. traffic is routed between VLANS by default, and you have to setup ACL's to stop it doing...