Hi MX-2020, Sounds like you are moving in the right direction. Here are couple more pointers. You can configure the MX to have as many IP addresses as you want (within reason). Each VLAN you create on the MX has an IP address which is ‘on’ the MX. Don’t think of these as management IP addresses as the MX (like all Meraki devices) is cloud-managed, so they’re actually managed via the internet facing interface. If you want the MX to have 10.10.80.50 on it, then assuming this is on VLAN80, the IP address for VLAN80 should be 10.10.80.50. I can’t see why the ME router needs to connect to the switch, why not connect it directly to the MX WAN2? Having an interface on VLAN99 on the MS is just going to complicate things and add no value that I can see. You could use VLAN99 on the MS without an IP address, but in that case why not just connect the MX WAN2 to the ME router? You can setup DHCP relay on either the MX or MS, but if the DHCP server is in VLAN80 then you don’t need a relay for any devices connecting to VLAN80 the sever will respond to them anyway, you will need to configure DHCP relay for other VLANs though to direct them to the DHCP server. You shouldn’t need to set any specific NAT, the MX will do PAT of the local IP addresses to the respective WAN IP address without any additional configuration.
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