Cisco Cisco Packet Data Gateway (PDG)
GTPP Accounting Overview
GTPP Messages ▀
GTPP Interface Administration and Reference, StarOS Release 17 ▄
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Optional IE incorrect
Invalid message format
Version not supported
Request not fulfilled
CDR decoding error
Request already fulfilled
Request related to possibly duplicated packet already fulfilled
Sequence numbers of released/canceled packets IE incorrect
The cause value “CDR decoding error” is optional, primarily intended to inform the CDF that the receiving node cannot
decode the CDR. Thus, special features in the receiving node that are based on information within the CDR, would not
be operable. This message alerts the operator of a remote generating node of incompatible CDR encoding. It is optional
and no action or response is required.
decode the CDR. Thus, special features in the receiving node that are based on information within the CDR, would not
be operable. This message alerts the operator of a remote generating node of incompatible CDR encoding. It is optional
and no action or response is required.
The Requests Responded IE contains the IE Type, Length and the Sequence Numbers (each 2 octets) of the Data Record
Transfer Requests.
Transfer Requests.
The optional Private Extension contains vendor- or operator- specific information. Depending on the Cause value
severity and general occurrence frequency, the node that sent the corresponding Data Record Transfer Request, may
start to direct its CDRs to another CGF.
severity and general occurrence frequency, the node that sent the corresponding Data Record Transfer Request, may
start to direct its CDRs to another CGF.
Handling Error Response Cause
By default, on getting an error response, the request is retried to the same CGF server until max-retries is reached. Then
the server is marked as NOT ACTIVE and the request is retried to the secondary server. This behavior is seen for the
below response causes.
the server is marked as NOT ACTIVE and the request is retried to the secondary server. This behavior is seen for the
below response causes.
Mandatory IE incorrect
Mandatory IE missing
Optional IE incorrect
Invalid message format
On getting the following error response causes, the request will NOT retried and the server will be marked as NOT
ACTIVE immediately.
ACTIVE immediately.
No resources available
Service not supported
System failure
No special action is taken on getting “CDR Decoding error” response cause and the behavior is similar to getting a
"Request Accepted" cause.
"Request Accepted" cause.
On getting “Version not supported” cause, the request is resent with the version supported by the CGF server (by
default, GTPP v2 is supported).
default, GTPP v2 is supported).