Date: Tue, 12 Aug 2008 04:31:23 -0700 From: Jeremy Chadwick <koitsu@FreeBSD.org> To: Mathieu Arnold <mat@FreeBSD.org> Cc: stable@FreeBSD.org Subject: Re: neighbor discovery problem Message-ID: <20080812113123.GA9694@eos.sc1.parodius.com> In-Reply-To: <65391406E135A0EC389574BA@andromede.in.absolight.net> References: <2D4221F0175C7261ECD00191@atuin.in.mat.cc> <20080812083403.GA2150@eos.sc1.parodius.com> <65391406E135A0EC389574BA@andromede.in.absolight.net>
next in thread | previous in thread | raw e-mail | index | archive | help
On Tue, Aug 12, 2008 at 01:17:27PM +0200, Mathieu Arnold wrote: > +-le 12.08.2008 01:34:03 -0700, Jeremy Chadwick a dit : > | Important note: I know absolutely nothing about IPv6. > | > | Do you have ACLs on any of these machines? !A in traceroute commonly > | means there's an ACL blocking said packets: > | > | !A (communication with destination network administratively prohibited) > | > | A ping from the other host might cause a stateful firewall to begin > | allowing said traffic to/from the machine which previously wasn't > | working. > | > | If you use a firewall on these machines (ipfw, pf, etc.), I'd recommend > | posting your problem to the freebsd-pf list instead. > > Hum, no, I've verified it already, there is pf enabled on the gateway, which > is also a firewall, but only on the external interface which does not come in > play here. That depends. Are you using "set skip" on non-external interfaces, or are you using pass rules to explicitly pass all traffic? Sorry if it sounds like I'm doubting you, but !A really looks like an ACL thing. -- | Jeremy Chadwick jdc at parodius.com | | Parodius Networking http://www.parodius.com/ | | UNIX Systems Administrator Mountain View, CA, USA | | Making life hard for others since 1977. PGP: 4BD6C0CB |
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20080812113123.GA9694>