Change in osmo-ttcn3-hacks[master]: add a test for LU with invalid LAI

Harald Welte gerrit-no-reply at lists.osmocom.org
Fri May 10 09:19:48 UTC 2019


Harald Welte has posted comments on this change. ( https://gerrit.osmocom.org/12380 )

Change subject: add a test for LU with invalid LAI
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Patch Set 2:

(1 comment)

https://gerrit.osmocom.org/#/c/12380/2/msc/MSC_Tests.ttcn
File msc/MSC_Tests.ttcn:

https://gerrit.osmocom.org/#/c/12380/2/msc/MSC_Tests.ttcn@2839
PS2, Line 2839: l3_lu.msgs.mm.locationUpdateRequest.locationAreaIdentification.mcc_mnc
I think this is outright wrong.  In GMM (layer3) which originates from within the phone, the LAI of the *previous* cell will be reported.  So let's say you cross the border from DE to FR, then in the first LU in FR, your MS will report the LAI from DE.

What you probably want to test here is that the Cell Identifier IE on the BSSMAP level in the complete layer3 info (generated by BSC) matches the MCC/MNC that's expected.   so basically you would verify if the BSC MCC/MNC is configured correctly.



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Gerrit-Project: osmo-ttcn3-hacks
Gerrit-Branch: master
Gerrit-MessageType: comment
Gerrit-Change-Id: I676894358259b9cc0f973769ce552ba58a2a58a1
Gerrit-Change-Number: 12380
Gerrit-PatchSet: 2
Gerrit-Owner: Stefan Sperling <stsp at stsp.name>
Gerrit-Reviewer: Jenkins Builder (1000002)
Gerrit-Reviewer: Neels Hofmeyr <nhofmeyr at sysmocom.de>
Gerrit-Reviewer: Stefan Sperling <stsp at stsp.name>
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