Red Hat NETWORK 4.0.5 - CHANNEL MANAGEMENTT GUIDE Guía para resolver problemas descargar pdf (Pagina 35)

F5 SDC Troubleshooting Guide

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Resolution

The transformation rule change is only visible once a new session is initiated and the request

from the client is sent as only then the change takes place.

5.3.4 3GPP Destination Realm Normalization Does Not Work

Error Description

A routed request’s destination realm is not normalized although it was configured.

Symptoms

The following section describes the error conditions and their relevant error messages.

 The AVP containing the IMSI from which MNC and MCC is calculated, but was

not found at the request.

- Error Message: “IMSI avp is not found, destination realm normalization

will not work, at message {some request description}.”

 The parsing of the IMSI number to MNC/MCC failed.

- Error Message: “IMSI parsing failed, 3GPP realm normalization was

canceled. Imsi: {the IMSI number}. Cause: {The cause for the fail}.”

Resolution

The following are options on how to resolve the issue:

 The SDC takes the IMSI number from the following AVP’s: For S6a or S6b

application ID’s the AVP is “User-Name”. For Gx, Gy, Rx, Rf, Sy, S9 the AVP

is inside the grouped AVP "Subscription-Id" and the one with AVP of "

Subscription-Id-Type” equals to 1.

Note: Make sure that this AVP (User Name/Subscription-Id) is present at the

request.

 Make sure the number is legal according to the RFC specification.

 When the “IMSI parsing failed…” error appears in the logDescription.txt file,

look for the error, for example: IllegalArgumentException ("IMSI length must

be 14 or 15 digits"), to correct the relevant input parameters.

 Make sure this error was not caused by a configured transformation error (as

described in Section 5.3.3).

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Red Hat NETWORK 4.0.5 - CHANNEL MANAGEMENTT GUIDE Guía para resolver problemas Pagina 35