Hi, @KarstenI wrote: The ISP-routers have to be connected to the WAN-ports. If there are two routers and only one (virtual) IP on them, then they are meant to provide redundancy and not load-sharing. They would be via "switch" inside MX. Physical cable Port 5 - to same MX84 WAN1 port To connect both at the same time, you need a small switch that connects both routers and *one* WAN-port of both MXes. This is exactly why I don't want to have any extra hardware, small switches (extra point of failure), instead use MX, so it could act as a switch. You should not use the internal switch for this purpose. That is a really bad security practice (you would physically bypass your firewall) and the Meraki traffic-analysis wouldn't like it to see the same traffic twice. Why would it bypass firewall? It would be on separete zone with 3 access ports within vlan1000, from LAN (all vlans but vlan1000) and directly (cable) connected to WAN port. -------------- Simillar topic here: Solved: Separate VLAN for WAN link - The Meraki Community Just this time instead of using MS stack I would use MX itself. Question is can/will MX understand and separate ports 3,4,5 (all in VLAN 1000): from the rest of the router, like creating different zone? If it can why it cannot be used as a "stand alone" switch (build in into MX) --------------
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