Sorry Just donot understand what you are saying.

On 10/28/08, Jose Amengual wrote:
> Hi Guys.
>
> I will describe de steps that I did to solve this problem that I still don't
> understand.
>
> Like my first post, I installed FreeBSD with the install cd
> 7.0-STABLE-200807-i386-disc1.iso , then I update using
> cvsup and the stable supfile and I got the 7.1-PREREALEASE ( I don't know
> why I got 7.1 has a stable using the stablesupfile using RELENG_7 ).
>
> After make world and stuff, I installed ezjail and I start creating my
> jails, then I configure my pf script and I give my jails and user nat and
> etc.
> Then I start installing packages to my jails and I start seeing the TCP
> kernel messages that at the first time I ignored.
>
> After I had all the jails working , I realize that my postfix jail was
> leaving almost all the emails in the defer queue with reasons like
> "Connection time out", then I realize that the tcp_do_segment messages were
> talking about port 25 connections and not only ftp connections, and that was
> exactly one message per mail in the queue.
>
> After reading some post I decide to Update my machine again to RELENG_7_0
> and I got 7.0-p5 and the problem persist, after that I start changing sysctl
> variables like sack etc.
>
> Today I reinstall the same machine with the 7.0-RELEASE-i386-disc1.iso and
> update to 7.0-p5 and using ezjail I start creating the jails and I realize
> that I was getting the same TCP messages per ftp connections but seems to be
> working ok. After some research and reading I decide to REMOVE the SCTP
> option from the kernel and recompile.
>
> After that I didn't receive any message and today the server is up and
> running with 300 users behind and tons of email with NONE in the defer
> queue.
>
> The configurations of the jails were copy and paste to the new installation
> of the server, the only thing that I change was the install CD.
>
> Is that possible ?, could be the reason ?
> SCTP is generating this problem ?
>
>
>
> Thanks to all.
>
>
> On 27-Oct-08, at 9:09 AM, Bjoern A. Zeeb wrote:
>
> > On Sun, 26 Oct 2008, Jose Amengual wrote:
> >
> > Hi,
> >
> >
> > > The problem persist even in stable 7.0, 7.1-PRERELEASE and 7.0-P5 , the

> postfix jail is living all the email in defer queue saying "Connection Time
> Out"
> > >
> > > This server give service to 300 clients and the network load os high.
> > >
> > > is there any clue how to resolve this ?
> > >

> >
> > sorry if I am not reading back various links which include mails I had
> > sent which are entirely unrelated.
> >
> > So you are seeing TCP problems. And you are running with a firewall
> > enabled?
> >
> > Have you tried tcpdumping and seeing what exactly goes wrong?
> >
> > do you have any offload stuff enabled (as the subject suggests)? If so
> > what happens if you disable this?
> >
> > /bz
> >
> > --
> > Bjoern A. Zeeb Stop bit received. Insert coin for new game.
> > _______________________________________________
> > freebsd-current@freebsd.org mailing list
> >

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>
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--
--linux(2.4/2.6),bsd(4.5.x+),solaris(2.5+)
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