Re: npf bug(?)

[christos%zoulas.com@localhost (Christos Zoulas)]

On Apr 9,  4:32pm, 6bone%6bone.informatik.uni-leipzig.de@localhost (6bone%6bone.informatik.uni-leipzig.de@localhost) wrote:
-- Subject: Re: npf bug(?)

| On Thu, 6 Apr 2017, Christos Zoulas wrote:
| 
| >
| > | Thanks for the patch. For me it works very well.
| >
| > Well, the question is do you need it? I.e. why don't you let the v4
| > traffic flow through npf? Is it a performance issue or doesn't npf
| > do reassembly correctly?
| 
| I'm not sure if the reassembling works properly. After a few hours the 
| statistics showed over 7000 failed reassembly but only 1296 fragments 
| with 1104 reassembled. I find these numbers unusual. I also know no way to 
| check if the reassembly works correctly. So I would like to disable packet 
| reassembly.

Perhaps you get a lot of dup fragments? netstat -s should show you the
stack's reassembly and fragment stats. Perhaps those agree with what
npf shows?

christos