From owner-freebsd-net@freebsd.org  Wed Aug 17 14:34:27 2016
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From: "Joe Holden" <mail@m.jwh.me.uk>
To: "'Kristof Provost'" <kp@FreeBSD.org>,
	<mail+lists@m.jwh.me.uk>
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Subject: RE: PF weirdness
Date: Wed, 17 Aug 2016 15:34:24 +0100
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Aha, perfect ok then I'll leave you to it!

Thanks

> -----Original Message-----
> From: Kristof Provost [mailto:kp@FreeBSD.org]
> Sent: 17 August 2016 12:18
> To: mail+lists@m.jwh.me.uk
> Cc: freebsd-net@freebsd.org
> Subject: Re: PF weirdness
>
> On 17 Aug 2016, at 11:24, mail+lists@m.jwh.me.uk wrote:
> > Ok so, I have an ERL that just does PPPoE and NAT via PF, however it
> > seems
> > to be modifying the packets passing through the nat filter such that
> > traceroutes end up like this:
> >
> > C:\Users\jwh>tracert -d -w 1 8.8.8.8
> >
> > Tracing route to 8.8.8.8 over a maximum of 30 hops
> >
> >   1     5 ms     1 ms     1 ms  172.21.88.254
> >   2    47 ms    40 ms    39 ms  8.8.8.8
> >   3    40 ms     *       39 ms  8.8.8.8
> >   4    37 ms    25 ms    67 ms  8.8.8.8
>
> That's PR 201519.
> I'm looking into it, but right now I have no idea why it happens.
> It seems to be fine on head (and likely also on 11), and I don't see
> any obvious differences in pf that could cause this.
>
> Regards,
> Kristof