CmdID / az / az network / az network express-route / az network express-route peering / az network express-route peering connection
az network express-route peering connection list
List all global reach connections associated with a private peering in an express route circuit. Azure CLI reference
2 options Its page in the Azure CLI reference
Options
--circuit-nameExpressRoute circuit name.--peering-nameName of BGP peering (i.e. AzurePrivatePeering).