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@xxxxxxxxx "Using Linux as bandwidth manager" http://www.docum.org/ #lartc @ irc.oftc.net
