[Bug 1760] Timestamp offset using softflowd with nfdump

bugzilla-daemon at bugzilla.mindrot.org bugzilla-daemon at bugzilla.mindrot.org
Mon Jun 21 10:42:54 EST 2010


https://bugzilla.mindrot.org/show_bug.cgi?id=1760

Damien Miller <djm at mindrot.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|REOPENED                    |RESOLVED
         Resolution|                            |FIXED

--- Comment #5 from Damien Miller <djm at mindrot.org>  ---
I think nfdump on Ubuntu is broken. It seems to decode the first flow
in a softflowd netflow 9 export packet correctly (and has correct
timers), but subsequent ones are corrupt. It is probably failing to
calculate an increment length correctly when skipping to the end of a
flow.

nfdump seems to decode v.5 flows correctly in all cases and has correct
timestamps.

Wireshark decodes the flows correctly and gives correct times for both
v5 and v9 flows.

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