简介
本文描述ims-authorization-revoked disconnect的原因。show sessession connect-reasons 命令显示系统中当前服务过度的内部断开原因。
当ims-authorization-revoked Disconnect Reason is Pegged？
最常见的情况是PGW从PCRF接收Re-Auth-Request (RAR)以释放会话。 要了解确切的情况，必须收集监控用户（详细程度3和多呼叫跟踪选项）和/或数据包捕获。 以下是monitor subscriber trace的代码段，其中PCRF通过在Session-Release-Cause发送RAR with UNSPECIFIED_REASON释放具有ims-authorization-revoked断开原因的会话。
根据3GPP 29.212
“如果PCRF由于内部触发或来自SPR的触发而决定终止IP CAN会话，则PCRF应向PCEF发送包含Session-Release-Cause AVP的RAR命令。PCEF应通过向PCRF发送RAA命令来确认该命令。”
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
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