簡介
本檔案將說明show session dis nect-reasons 命令如何顯示系統中過度使用的內部斷開原因。
當ims授權撤銷斷開原因被追溯時？
最常見的情況是PGW接收 從PCRF重新身份驗證請求(RAR)以釋放會話。 要瞭解確切的情況，必須收集監控使用者（詳細程度為3和多呼叫跟蹤選項）和/或資料包捕獲。 以下是監控使用者跟蹤的一個片段，其中PCRF通過在Session-Release-Cause時傳送RAR with UNSPECIFIED_REASON來釋放具有ims-authorization-revoked斷開原因的會話。
根據3GPP 29.212:
「如果PCRF由於內部觸發或來自SPR的觸發而決定終止IP CAN會話，PCRF應向PCEF傳送包含Session-Release-Cause AVP的RAR命令。PCEF應通過向PCRF傳送RAA命令來確認該命令。」
Monday April 12 2021
INBOUND>>>>> 20:06:25:072 Eventid:81991(5)
Diameter message from 10.10.10.20:3868 to 10.10.10.10:33433
Base Header Information:
Version: 1
Message Length: 200
Command Flags: REQ PXY (192)
Command Code: Re-Auth-Request (258)
Application ID: 3GPP-Gx (16777238)
Hop2Hop-ID: 0x46e0a2bf
End2End-ID: 0x8d78a2bf
AVP Information:
[M] Session-Id: pgw1.gx.cisco.com;20008;1281;6074a7f7-102
[M] Auth-Application-Id: 16777238
[M] Origin-Host: gx.cisco.com
[M] Origin-Realm: cisco.com
[M] Destination-Host: pgw1.gx.cisco.com
[M] Destination-Realm: cisco.com
[M] Re-Auth-Request-Type: AUTHORIZE_ONLY (0)
[V] [M] Session-Release-Cause: UNSPECIFIED_REASON (0)
Monday April 12 2021
<<<<OUTBOUND 20:06:25:073 Eventid:81990(5)
Diameter message from 10.10.10.10:33433 to 10.10.10.20:3868
Base Header Information:
Version: 1
Message Length: 208
Command Flags: PXY (64)
Command Code: Re-Auth-Answer (258)
Application ID: 3GPP-Gx (16777238)
Hop2Hop-ID: 0x46e0a2bf
End2End-ID: 0x8d78a2bf
AVP Information:
[M] Session-Id: pgw1.gx.cisco.com;20008;1281;6074a7f7-102
[M] Origin-Host: pgw1.gx.cisco.com
[M] Origin-Realm: cisco.com
[M] Result-Code: DIAMETER_SUCCESS (2001)
[M] Origin-State-Id: 1618246385
[V] [M] 3GPP-User-Location-Info: Location Type: TAI+ECGI (130) Location Info (TAI): 001-01-0x3FE Location Info (ECGI): 001-01-0x3E8
[V] [M] 3GPP-MS-TimeZone: MS Time Zone: -0:00 Daylight Saving Time: +0 hour
[V] [M] Access-Network-Charging-Address: IPv4 10.10.10.5
......
Monday April 12 2021
***CONTROL*** 20:06:25:139 Eventid:10285
....
Disconnect Reason: ims-authorization-revoked
Last Progress State: GTP-PDN-IPv4-Connected
意見