Руководство Администратора для Cisco Cisco Packet Data Gateway (PDG)
GTPP Accounting Overview
▀ Triggers for Generation of Charging Records
▄ Cisco ASR 5x00 GTPP Interface Administration and Reference
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Triggers for Generation of Charging Records
The following sections describe the triggers for the generation of partial and final CDRs.
GGSN CDR Triggers
The following sections describe the triggers for the generation of partial and final G-CDRs and eG-CDRs.
G-CDR Triggers
G-CDRs are updated (not closed) for any of the following conditions:
SGSN IP address change
When the SGSN IP address changes, i.e. an Update PDP Context Request is received with a new SGSN IP
address, the old address (if not already added) and the new address are added to the field “List of SGSN
Addresses”.
address, the old address (if not already added) and the new address are added to the field “List of SGSN
Addresses”.
QoS change
When a QoS change is detected, i.e. an Update PDP Context Request is received with a new QoS value) and
the maximum number of configured “buckets” has not been reached, then a traffic data volume container for
the previous QoS and volume is added to the field “List of Traffic Data Volumes”.
the maximum number of configured “buckets” has not been reached, then a traffic data volume container for
the previous QoS and volume is added to the field “List of Traffic Data Volumes”.
Tariff Time Change
When the tariff time changes and the maximum number of configured “buckets” has not been reached, then a
traffic data volume container is added to the field “List of Traffic Data Volumes” for the volume before the
tariff time.
traffic data volume container is added to the field “List of Traffic Data Volumes” for the volume before the
tariff time.
The following events trigger closure and sending of a partial G-CDR:
When the number of SGSN changes has reached the configured number of “sgsns”. Before this, the new SGSN
address is added to the list of SGSN IP addresses in the CDR. If “sgsns 4” is configured, this means that after 4
handovers the record is closed and the G-CDR will contain 5 SGSN IP addresses. The parameter can be set to 1
to 4 with a default of 4.
handovers the record is closed and the G-CDR will contain 5 SGSN IP addresses. The parameter can be set to 1
to 4 with a default of 4.
When the number of QoS changes or tariff time changes, with up to 4 timestamps which can be configured using
the tariff statement, has reached the configured number of “buckets” (1 to 4 with default of 4). Before this,
another traffic data volume container is added to the CDR for every change.
another traffic data volume container is added to the CDR for every change.
Every x seconds configured using “interval x”
Every x octets configured using “volume x” (up/down/total)
A G-CDR is closed as the final record of a subscriber session for the following events:
Delete PDP context received from SGSN
Delete PDP context initiated by GGSN (e.g. expiry of idle or absolute timer)
Abnormal Releases such as PDP context replacements
eG-CDR Triggers
eG-CDRs are updated (not closed) for any of the following conditions: