ies.append({"ie_type":"Cause","ie_value":"Cause","presence":"M","tlv_more":"0","comment":"This IE shall indicate the acceptance or the rejection of the corresponding request message."})
ies.append({"ie_type":"Offending IE","ie_value":"Offending IE","presence":"C","tlv_more":"0","comment":"This IE shall be included if the rejection is due to a conditional or mandatory IE missing or faulty."})
ies.append({"ie_type":"Update BAR PFCP Session Report Response","ie_value":"Update BAR","presence":"C","tlv_more":"0","comment":"This IE shall be present if a BAR previously created for the PFCP session needs to be modified.A previously created BAR that is not modified shall not be included.See Table 7.5.9.2-1."})
ies.append({"ie_type":"PFCPSRRsp-Flags","ie_value":"PFCPSRRsp-Flags","presence":"C","tlv_more":"0","comment":"This IE shall be included if at least one of the flags is set to 1.- DROBU (Drop Buffered Packets): the CP function shall set this flag if the UP function needs to drop the packets currently buffered for this PFCP session (see NOTE 1)."})
ies.append({"ie_type":"F-SEID","ie_value":"CP F-SEID","presence":"O","tlv_more":"0","comment":"This IE may be set by the SMF if the UPF indicated support of PFCP sessions successively controlled by different SMFs of a same SMF Set and the Cause IE indicates Request accepted (success)(see clause5.22).When present, it shall be set to the new F-SEID that the UPF shall use for sending subsequent PFCP session related messages."})
ies.append({"ie_type":"F-TEID","ie_value":"N4-u F-TEID","presence":"O","tlv_more":"0","comment":"This IE may be set by the SMF if the UPF indicated support of PFCP sessions successively controlled by different SMFs of a same SMF Set and the Cause IE indicates Request accepted (success).When present, it shall be set to the new N4-u F-TEID that the UPF shall use for data forwarding towards the SMF. "})
ies.append({"ie_type":"Alternative SMF IP Address","ie_value":"Alternative SMF IP Address","presence":"O","tlv_more":"0","comment":"This IE may be set by the SMF if the UPF indicated support of PFCP sessions successively controlled by different SMFs of a same SMF Set and the Cause IE indicates Redirection Requested (see clause5.22).When present, it shall be set to the IP address of the new SMF to contact. "})