Date: Wed, 14 Feb 2007 22:12:03 +0500 From: sai <sonicsai@gmail.com> To: "Jeffrey Goldberg" <jeffrey@goldmark.org> Cc: freebsd-questions@freebsd.org Subject: Re: kernel: vr0: discard oversize frame Message-ID: <41d04d600702140912q63e6f435u66b900fda8c2e7f8@mail.gmail.com> In-Reply-To: <4E4A0AA3-368A-46BF-A6B0-F70D8F6072D0@goldmark.org> References: <41d04d600702132147t7f6b05d2uc87baaccdbf81d36@mail.gmail.com> <200702140207.14663.josh@tcbug.org> <41d04d600702140423k49577bfdi1864844f4c38f5e2@mail.gmail.com> <4E4A0AA3-368A-46BF-A6B0-F70D8F6072D0@goldmark.org>
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On 2/14/07, Jeffrey Goldberg <jeffrey@goldmark.org> wrote: > On Feb 14, 2007, at 6:23 AM, sai wrote: > > > mtu is currently 1500. "ifconfig vr0 mtu 1532" leaves the mtu > > unchanged, but if I try to reduce it then it does work, > > "ifconfig vr0 mtu 1498" sets mtu to 1498. Looks like that 1500 is > > the max that the vr driver/card will accept. > > I have a vr0 with the mtu 1500 and so far (four days only) I've had > no problems. But I'm not (yet) running pf, and unlike your case, my > mini-ITX box is sitting behind a firewall instead of acting as one. > > -j > Searching leads me to believe that this sort of packet is probably generated by some broken switch/router somewhere on the ISPs network (maybe a client). However it is worrying that its quite simple to shutdown a FreeBSD machines network access. sai >
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