@cmr Ok here is what we figured out. The switch can configure VLANs on each of its ports. The modem and the WAN1 uplink on the MX both seem to expect and appreciate VLAN 1. The WAN port on the MX will acquire a IP address from the first device it can locate. So basically you just tell the port with the satellite on it that its on VLAN1, and you tell the other ports with the non-active satellites to be on different other random VLANs. When you want to use a new satellite, you first move that port over to VLAN1, then you remove the current satellite thats providing the IP to the WAN on the MX. The WAN on the MX says oh I need a new IP, and what do you know there is a new DHCP server there ready to lease. It works. We've switched them around a bunch of times and its about 50% faster than the approach of enabling and disabling ports which we also tried. Yay!
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