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Can Wireshark parse and decode LPPe?

asked 2019-08-19 14:25:13 +0000

updated 2019-08-19 17:17:52 +0000

Guy Harris gravatar image

Can wireshark parse and decode LPP and in particular LPPe information elements?

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answered 2019-08-19 17:22:51 +0000

Pascal Quantin gravatar image

updated 2019-08-19 18:02:59 +0000

Indeed LPP decoding from a NAS 5GS PDU was not implemented yet. I added it in https://code.wireshark.org/review/#/c... so you will need to update your Wireshark version once it is merged.

Edit: the change is now merged in Wireshark 3.1.1 development tree.

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Great - thanks!

jack@spirent gravatar image[email protected] ( 2019-08-19 18:08:00 +0000 )edit

You are welcome. Please consider accepting my answer by clicking on the green check mark.

Pascal Quantin gravatar imagePascal Quantin ( 2019-08-21 15:38:36 +0000 )edit
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answered 2019-08-19 14:33:11 +0000

Jaap gravatar image

A simple search would have pointed you here, all display filter fields available for LTE Positioning Protocol Extensions (LLPe), which I think is what you are referring to. Or is that an other LPP you are looking for?

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I saw those filters but they don't seem to work on a pcap file and I don't any method to turn on LPP/LPPe decoding. In my particular case I have a NAS 5G packet in which Wireshark recognizes the payload container type of LTE Positioning Protocol but it doesn't decode the container.

jack@spirent gravatar image[email protected] ( 2019-08-19 14:38:50 +0000 )edit

Open a bug report with an enhancement request and attach a sample pcap.

Anders gravatar imageAnders ( 2019-08-19 14:40:41 +0000 )edit

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Asked: 2019-08-19 14:25:13 +0000

Seen: 40 times

Last updated: Aug 19