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where to find configure

When a 32bit DSN wraps, then MPTCP should increment by 1 the upper 32bits of the 64bits DSN. right now code considers seq nb never wraps and always use the most signficant 32bits of the base DSN.

Ideally, the wireshark plugin should be able to tell if it captured the full DSN range or if it's likely a subflow was not captured for instance.

** (process:3966408): WARNING **: Dissector bug, protocol TCP, in packet 7774: expert.c:544: failed assertion "(guint)expindex->ei < gpa_expertinfo.len" (Unregistered expert info!)

I get this error when parsing a trace with tshark.
What is this error? Is it because of an expert_add_info without a corresponding line in struct ei_register_info ?

The packet itself looks quite normal. Nothing spectacular inside it.

mptcp.stream should be assigned in contiguous order:
https://www.wireshark.org/lists/wireshark-dev/201412/msg00124.html

Also right now, an unassigned subflow looks through all TCP connections (hashtable so it is slow), there should be another datastructure with only mptcp metas.