Apparatuses, methods, and systems are disclosed for configuring protocol data unit sessions. One method includes receiving configuration information from a network. The configuration information includes: a first indication about whether to accept at least one high layer parameter requested by a high layer client of the device, wherein the at least one high layer parameter is applicable for protocol data unit session establishment or for updating stored user equipment route selection policy rules, or a combination thereof; and mapping information of the at least one high layer parameter of the first indication to at least one network parameter that is valid in the network. The method includes storing the configuration information. The method includes applying the configuration information in response to receiving a first request from the high layer client.