From: Stef Coene <stef.coene@docum.org>
To: lartc@vger.kernel.org
Subject: Re: [LARTC] stops receiving traffic
Date: Sun, 17 Aug 2003 18:18:58 +0000 [thread overview]
Message-ID: <marc-lartc-106114444105308@msgid-missing> (raw)
In-Reply-To: <marc-lartc-106110159814320@msgid-missing>
On Sunday 17 August 2003 08:25, Jay Lee wrote:
> <html><div style='background-color:'><DIV>
> <P> </P>
> <P>I have some questions. Hope someone knows what is happening. I'm
> doing a project for my graduation related to traffic shaping and this
> server will be installed in our campus. I've installed Redhat 9
> (athlon xp1800, 512Mb ram, 2 intel 10/100 ethernet cards). I'm
> trying to limit bandwidth usage for 4000+ PCs. Aim is to guarantee 14kbit
> for each pc and ceil rate to 128kbit and i've used hashkey with 4000
> classes.</P> <P> </P>
> <P>When I start to route my traffic to the shaping server, it runs fine and
> all shaping rules work for 5~10 mins but shortly the server stops
> receving packets. I found out that my 3com cards had high rx overrun
> and I've changed to intel cards. But again, after 5~10 mins, it stops to
> receive nor transmit packets. There was no rx overrun but little tx overrun
> this time. I've tested again with no cpu cycle saving and higher interrupts
> for the intel ethernet cards but the result was same and nothing was
> recorded in syslog.</P> <P> </P>
> <P>Interesting thing is that when the server stops to receive traffic,
> other networks can not ping the shaping server. but when the shaping server
> can ping other servers or networks. Also if server A pings the shaping
> server, server A gets ping reply only when the shaping server pings
> server A. which means network cards did not die. Is there any default
> firewall setting in redhat 9 kernel? I've tried many times with rp_filter
> off and on but the result was same.</P> <P> </P>
> <P>In addition, outgoing traffic does not go through the shaping server.
> Only incoming traffic is routed to the shaping server statically from
> router. Bandwidth is 30Mbps.</P></DIV></div><br clear=all><hr>Download <a
> href="http://g.msn.com/8HMEENNZ/2740??PS=">MSN Messenger</a> - talk to
> family and friends overseas!</html>
Can you resend your mail in plain text only?
Thx.
Stef
--
stef.coene@docum.org
"Using Linux as bandwidth manager"
http://www.docum.org/
#lartc @ irc.oftc.net
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prev parent reply other threads:[~2003-08-17 18:18 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-08-17 6:25 [LARTC] stops receiving traffic Jay Lee
2003-08-17 18:18 ` Stef Coene [this message]
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