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Bug #4188
closedBSC sends COMPLETE L3 before RESET
Start date:
09/03/2019
Due date:
% Done:
70%
Spec Reference:
Description
At least in SCCPlite, we've received a protocol trace from a customer that looks like this:
- IPA CCM handshake
- SCCP CR with BSSMAP COMPLETE L3 INFO
- another SCCP CR with BSSMAP COMPLETE L3 INFO
- only then a SCCP UDT with BSSMAP RESET
The Reset procedure should happen as the first thing after the A link comes up, before any user data is communicated. The SCCP CR messages of the example above should ideally be queued (or else discarded) until the RESET procedure completes. Discarding is probably the easy option, as queueing would have to involve timeouts (what if the RESET takes 5 minutes to complete), ...
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