GatewaySubnetRouteServerSubnetSdwanNvaSubnetRoute ServerInstance#0Instance#1BGPCustomer ExpressRoute-connected facilityExpressRoute customer edgeAllowBranchToBranch=FALSEExpressRoute circuitLegendRoute propagation in Azure and ExpressRoute (BGP)SD-WAN tunnelSD-WAN route propagation (any routing protocol supported by SD-WAN vendor)BGPSD-WAN CPESD-WAN NVA