Date: Thu, 26 May 2005 15:07:43 -0400 From: Charles Swiger <cswiger@mac.com> To: Peter Kieser <pfak@telus.net> Cc: freebsd-performance@freebsd.org Subject: Re: Performance/lockup issues with FreeBSD as a router Message-ID: <25049451-CF59-48B6-A3ED-B154A36F35D1@mac.com> In-Reply-To: <1117133571.42961b03ca6fd@webmail.telus.net> References: <1117129668.42960bc4b751b@webmail.telus.net> <9827650D-A61E-461A-85FC-A45413B42FEA@mac.com> <1117133571.42961b03ca6fd@webmail.telus.net>
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On May 26, 2005, at 2:52 PM, Peter Kieser wrote: > I've tried without fast forwarding, I've tried without the TCP > sendspace as well > as reducing it to 65K, I let maxusers auto tune itself and I've > even tried uping > the KVA space. OK. You didn't mention whether this helped or made no difference. :-) > I'm at a loss, what would be the ideal sysctl's/loader.conf for a > router thats > doing a fair amount of traffic? Using FreeBSD as a router is a very common task: you generally don't need to tune anything to have it work pretty well, if the hardware underneath is OK. Can you confirm that you're not losing the connections because a NIC freaks out and drops the carrier, or something along those lines? What does top look like, and "netstat -m" and "netstat -i" look like during a lockup...? Anything in the logs or dmesg? -- -Chuck
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