I adjusted these parameters... My maxfragpackets was actually at 2048. Wouldn't the problem be if it's too small, not too large? The maxfragsperpacket was already at 16.
Edinilson J. Santos wrote: > You need to adjust some parameters in your sysctl.conf. > Try something like (in sysctl.conf): > net.inet.ip.maxfragpackets=40 > net.inet.ip.maxfragsperpacket=16 > > and see what happens. > > Regards > > Edinilson > --------------------------------------------------------- > ATINET-Professional Web Hosting > Tel Voz: (0xx11) 4412-0876 > http://www.atinet.com.br > > > ----- Original Message ----- > From: "Vinny Abello" <[EMAIL PROTECTED]> > To: <[email protected]> > Sent: Wednesday, December 06, 2006 4:11 PM > Subject: [smokeping-users] Experience with FreeBSD 6.x and Smokeping > > > Are there many people using FreeBSD 6.x and Smokeping? > > I asked this a while back but nobody seemed to have any input. Ever since > moving from FreeBSD 5.3 to 6.0 (currently 6.1) I have been seeing artificial > loss in smokeping that does not exist. It always shows up as two repeated > intervals of 19/20 packets received (light blue) and never at the same time > on any of the monitors. I think there is some sort of ICMP rate limiting or > something else going on in the kernel but I have never been able to locate > it. Users on the FreeBSD-Stable list didn't have any input either. You can > clearly see on all of my graphs at the precise time I upgraded from 5.3 to > 6.0 there is slight loss from that time forward. It makes the graphs that > are logged for long periods of time look bad (always light blue) instead of > mostly green which they should be (for my network anyway). I've done > numerous tests with other tools to verify there is no packet loss from the > same machine. I cannot reproduce the statistics I see with Smokeping using > anything else. I'm > hoping someone might have some input (other than use Linux). :) > > If you need any more information about my setup, just ask. Almost all probes > are Fping based and there are somewhere between 50 and 60 monitors setup. > The server is a Dell 2650 with dual P4 Xeon 2.8GHz CPU's. MP kernel is > enabled. I was toying with disabling MP to see if it was some sort of weird > problem with multiple CPU's. > > Any help or suggestions are appreciated! :) > -- Vinny Abello Network Engineer Server Management [EMAIL PROTECTED] (973)300-9211 x 125 (973)940-6125 (Direct) PGP Key Fingerprint: 3BC5 9A48 FC78 03D3 82E0 E935 5325 FBCB 0100 977A Tellurian Networks - The Ultimate Internet Connection http://www.tellurian.com (888)TELLURIAN "Courage is resistance to fear, mastery of fear - not absence of fear" -- Mark Twain -- Unsubscribe mailto:[EMAIL PROTECTED] Help mailto:[EMAIL PROTECTED] Archive http://lists.ee.ethz.ch/smokeping-users WebAdmin http://lists.ee.ethz.ch/lsg2.cgi
