Messages in this thread |  | | | From | "Alejandro Bonilla" <> | | Subject | RE: tg3 in 2.6.12-rc6 and Cisco PIX SMTP fixup | | Date | Fri, 17 Jun 2005 07:33:05 -0600 |
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> > > > > > On 6/17/05, Alejandro Bonilla <abonilla@linuxwireless.org> wrote: > > > > one question, > > > > > > > > Can I know what is the problem? > > > >:I have 2 tg3 adapters, lots e100's and some Cisco PIX > and devices. > > > > > > > > I can try to reproduce it and see if anyone has > something to say about it. > > > > > > Yes please. As I see it. Enable smtp fixup protocol on > your cisco pix > > > (you will need to have a smtp server to point it to), then on some > > > linux system running with a kernel greater than 2.6.8.1 > do a telnet to > > > the smtp server that is firewalled and try to issue a > smtp command. > > > > > > Note that cisco has a bug report on smtp fixup banner > hiding issues in > > > cisco os 6.3.4 but it should not result in the connection getting > > > dropped, it also does not explain why this problem does > not seam to > > > exists on kernels prior to 2.6.9. > > > > 2.6.9? This rings a bell.. ;) > > > > Does disabling TCP window scaling fix it? > > > > echo 0 > /proc/sys/net/ipv4/tcp_window_scaling > > Yes it does solve it. > > Thanks so much - this will be much easier than getting the largest ISP > in Denmark to update there Cisco to a new version. > > > Regards. > > Lars Roland
Lars, Valdis,
So what do we really have here? Problem with Cisco or a problem in the driver? Both?
.Alejandro
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