Wireshark-bugs: [Wireshark-bugs] [Bug 7381] pcapng - mergecap generates unusable file if interfa
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=7381
--- Comment #16 from Balint Reczey <balint.reczey@xxxxxxxxxxxx> 2012-07-16 00:45:52 PDT ---
(In reply to comment #15)
> (In reply to comment #13)
> > How about implementing two strategies:
> > 1: Relaxed, where interfaces with the same names are considered to be the same
> > interfaces. This would work fine for pcapng files captures on a single machine.
> > 2: Mr. Proper, where if an interface name collision is present across the files
> > mergecap exits.
> > This mode would also allow passing mapping file(s) to mergecap, where the user
> > can set up an original name -> output name per capture file and if the
> > collisions can be resolved by using the mappings then mergecap would do that
> > without exiting.
>
> Or:
>
> 1. Relaxed, where interfaces with the same names and matching option values if
> present for both interfaces are considered to be the same interfaces;
>
> 2. Strict, where all interfaces in all input files are considered to be
> distinct even if they have matching names and attributes, with a matching file
> as an option.
>
> (This also raises the question of interfaces changing their addresses over the
> course of a capture, which I'll have to raise on the pcap-ng mailing list....)
This sounds good, too.
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