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
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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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