Establish connection to a VNET via an ExpressRoute circuit
{"type": "microsoft.network/publicipaddresses", "apiversion": "2020-06-01", "name": "[variables('publicipaddressname')]", "location": "[parameters('location')]", "properties": {"publicipaddressversion": "ipv4", "publicipallocationmethod": "static", "idletimeoutinminutes": 4, "dnssettings": {"domainnamelabel": "[parameters('dnslabelprefix')]"}}} 