Ethereal-users: [Ethereal-users] Decoding Problem of GTP-U frame for UMTS

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From: 김형택 <htkim@xxxxxxx>
Date: Thu, 25 Apr 2002 23:09:00 +0900
Hello, everybody

I have a question about GTP frame decoding of ethereal. 

I would like to know if ethereal can not decode PPP in GTP-U frame for
UMTS.

For example, PPP in GTP-U frame to be tested is as follows.

+----+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
|HEX |0 |1 |2 |3 |4 |5 |6 |7 |8 |9 |A |B |C |D |E |F |
+----+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
|0   |00|40|5a|02|b1|5a|00|04|6d|7a|e0|71|08|00|45|50|
|10  |00|41|00|00|00|00|fe|11|a3|52|0a|04|02|01|0a|04|
|20  |03|01|08|68|08|68|00|2d|00|00|32|ff|00|1d|00|00|
|30  |00|1f|00|00|00|00|7e|ff|7d|23|c0|21|7d|21|7d|20|
|40  |7d|20|7d|2a|7d|25|7d|26|3b|5c|60|d6|3d|56|7e|  


+----+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
|HEX |0 |1 |2 |3 |4 |5 |6 |7 |8 |9 |A |B |C |D |E |F |
+----+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+--+
|0   |00|40|5a|02|b1|5a|00|04|6d|7a|e0|71|08|00|45|50|
|10  |00|41|00|00|00|00|fe|11|a3|52|0a|04|02|01|0a|04|
|20  |03|01|08|68|08|68|00|2d|00|00|32|ff|00|10|00|00|
|30  |00|1f|00|00|00|00|c0|21|01|00|00|0a|05|06|3b|5c|
|40  |60|d6|  |  |  |  |  |  |  |  |  |  |  |  |  |  |


Please let me know the answer to my question as sonn as possible.

Thanks advance.

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