Date: Tue, 28 Nov 2000 14:32:31 +0200 From: Ruslan Ermilov <ru@sunbay.com> To: geoff buckingham <geoff@filmgroup.co.uk> Cc: jsmith_118@hotmail.com, tim@filmgroup.co.uk, freebsd-net@FreeBSD.ORG Subject: Re: Fastfowarding (ip_flow.c) Message-ID: <20001128143231.B29061@sunbay.com> In-Reply-To: <20001128120352.H83281@geoffb.films.redbus.co.uk>; from geoff@filmgroup.co.uk on Tue, Nov 28, 2000 at 12:03:52PM %2B0000 References: <20001128120352.H83281@geoffb.films.redbus.co.uk>
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On Tue, Nov 28, 2000 at 12:03:52PM +0000, geoff buckingham wrote: > > Did you ever resolve this? We may be seeing a similar problem, or it > could be something else entirely :-) > > <Begin Archive stuff> > > We're using ip_fastfowarding, on a system routing 20k-30k packets per > second between two intel pro/100+ cards. When we enable it, it causes > strange system behaviour; System gets sluggish, pauses from time > to time. It may be because IPFLOW_MAX is set to 256. We attempted > to change it to 8192, but the system halts immediately after > enabling fastforward. > > Can anyone advise how we can properly adjust varables in ip_flow.c? > (IPFLOW_MAX, IPFLOW_HASHBITS, IPFLOW_HASHSIZE, IPFLOW_TIMER, etc). > > (We're using FreeBSD 3.4-STABLE, running BGP4 with 72,000 routes in > kernel). > This code was obtained from NetBSD, and they have so far improved it a bit. Look at what they did. This is on my TODO list but too deep in the stack... Cheers, -- Ruslan Ermilov Oracle Developer/DBA, ru@sunbay.com Sunbay Software AG, ru@FreeBSD.org FreeBSD committer, +380.652.512.251 Simferopol, Ukraine http://www.FreeBSD.org The Power To Serve http://www.oracle.com Enabling The Information Age To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message
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