Establish connection to a VNET via an ExpressRoute circuit
{"type": "microsoft.network/publicipaddresses", "apiversion": "2019-06-01", "name": "[concat(variables('publicipaddressname'), copyindex())]", "location": "[parameters('location')]", "copy": {"name": "iploop", "count": "[parameters('numberofvms')]"}, "properties": {"publicipallocationmethod": "dynamic", "dnssettings": {"domainnamelabel": "[concat(parameters('dnslabelprefix'), copyindex())]"}}} 