kern/103950: [netinet] [patch] Broadcast packets are not
forwarded
Damien Deville
damien.deville at netasq.com
Wed Oct 11 03:01:15 PDT 2006
The following reply was made to PR kern/103950; it has been noted by GNATS.
From: Damien Deville <damien.deville at netasq.com>
To: Yar Tikhiy <yar at comp.chem.msu.su>
Cc: bug-followup at FreeBSD.org
Subject: Re: kern/103950: [netinet] [patch] Broadcast packets are not forwarded
Date: Wed, 11 Oct 2006 11:52:54 +0200
Hi,
We did not tested the fast forward path as our setup need it to be disabled.
Damien
Yar Tikhiy wrote:
> This case is well-known as directed broadcasts. FreeBSD might have
> it disabled on purpose. See RFC 2644 aka BCP 34.
>
> Formerly there was a sysctl for enabling directed broadcasts,
> IPCTL_DIRECTEDBROADCAST aka "directed-broadcast", obtained from
> NetBSD -- see netinet/in.h rev. 1.11 and netinet/ip_input.c rev.
> 1.26. Its definition still is in netinet/in.h but unused. It can
> be just re-introduced. See NetBSD's netinet/ip_input.c for example,
> search for "ip_directedbcast".
>
> Apropos, did you test how the fastforward path would handle directed
> broadcasts?
>
--
Damien Deville
R&D engineer
damien.deville at netasq.com
http://www.netasq.com
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