Re: PR 44508: UNREACH_NEEDFRAG ICMPs use the wrong mtu

[Motoyuki OHMORI <ohmori%chikushi-u.ac.jp@localhost>]

Dear Mouse,

IMHO, it seems to be a bug and affect current 6.99.3.  I am happy for some
unreasonable servers (i.e., they filter out all ICMP packets) if this bug is
fixed.

Best regards,
--
Motoyuki OHMORI <ohmori%chikushi-u.ac.jp@localhost>

On Thu, Jun 14, 2012 at 11:51:34 -0400, Mouse wrote:
> Over a year ago, I filed PR kern/44508, pointing out something I
> considered a bug with UNREACH_NEEDFRAG ICMP generation.  (To save people
> looking up the PR, the issue is that it uses the outgoing interface's
> MTU even if the relevant route's MTU is smaller.)  It affects 4.0.1 and
> 5.1; I don't know about anything else.
> 
> I haven't heard anything back at all.  Am I the only one who cares
> about this?  Do other people not consider it a bug?  Is it just that
> nobody noticed?  Or what?  I'd like to see the fix pulled up to
> netbsd-4 and netbsd-5, if that's not too unrealistic a goal.  (If it
> affects -current and/or netbsd-6 too, it might be nice to fix them,
> though they're of less immediate concern to me.)
> 
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