Date: Wed, 21 Apr 2004 08:42:13 -0600 From: Tillman Hodgson <tillman@seekingfire.com> To: freebsd-questions@freebsd.org Subject: Re: Is it worth using both gigabit ether ports? Message-ID: <20040421144213.GL476@seekingfire.com> In-Reply-To: <D8579D43-939D-11D8-90F0-000D93511A6A@hhbb.co.uk> References: <D8579D43-939D-11D8-90F0-000D93511A6A@hhbb.co.uk>
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On Wed, Apr 21, 2004 at 03:11:55PM +0100, Andy Holyer wrote: > I work for a small special-purpose ISP, and right now I'm configuring > our main Web/Mail/DNS server. It's a Dell Poweredge 750, 2.4Gb with > 1Gig of memory and twp 80 GB drives mirrored using vinum. > > When I've prepped it up, it's due to go in our rack at Telecity in > Docklands. > > The box came with an Intel twin Gigabit network card, and I'd like to > use ng_one2many to load share so that the box uses both ports at once. > > There doesn't appear to be much about this on the web. My question: is > it worth doing? Will a get a better and/or more fault-tolerent > performance by doing this? Do I have to do anything clever with DNS or > the router (a Cisco 3660) to get requests evenly distributed, or can I > rely on sharing outgoing traffic? I'll reply to just the fault-tolerant question: You'll get less fault-tolerance, as ng_one2many doesn't implement any kind of connection checking. If an interface dies, 1/2 of your packets will still attempt to use it. -T -- Real men use "cat /var/spool/mail/$USER | more" and "telnet $SMTP_HOST 25" - Anonymous Unix geek "more /var/spool/mail/$USER" <-- don't waste a process, you idiot - Second anonymous Unix geek
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