Attention is currently required from: daniel, laforge, lynxis lazus.

pespin has posted comments on this change by pespin. ( https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/37892?usp=email )

Change subject: mme: expect authentication during 2g->4G TAU procedure ......................................................................

Patch Set 3:

(1 comment)

Commit Message:

https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/37892/comment/78349d4c_72f3a... : PS3, Line 9: If TAU happens without an existing security context, network for sure wants

acutally it has a mapped security context from a 3G security context, but we couldn't manage to get […]

that's the case I described in the paragraph below (from your pcap with a real phone). THis paragraph is about the case triggered by the ttcn3 test where there was no previous knowledge of the UE at the MME.