Date: Tue, 9 Jan 2001 09:31:59 -0500 From: "Troy Settle" <troy@psknet.com> To: "Tom Samplonius" <tom@sdf.com>, "David Lawson" <dave@siteone.net> Cc: "FreeBSD ISP" <freebsd-isp@FreeBSD.ORG> Subject: RE: Hosting with multiple subnets Message-ID: <GIEHKBHPBGKJPNMBCOHFCEDOCAAA.troy@psknet.com> In-Reply-To: <Pine.BSF.4.05.10101082133230.15363-100000@misery.sdf.com>
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** -----Original Message-----
** From: owner-freebsd-isp@FreeBSD.ORG
** [mailto:owner-freebsd-isp@FreeBSD.ORG]On Behalf Of Tom Samplonius
** Sent: Tuesday, January 09, 2001 12:35 AM
** To: David Lawson
** Cc: FreeBSD ISP
** Subject: Re: Hosting with multiple subnets
**
**
**
** On Mon, 8 Jan 2001, David Lawson wrote:
**
** > We setup a new hosting box running FreeBSD 4.1, we have two
** Class C's that
** > we want to use on this box but we are having problems. When ever we add
** > another subnet we lose all connection. All the other Interfaces stop
** > working.
**
** You haven't provided any really detail on how you are "adding
** a subnet".
** I can think of several ways that could be done, and a lot more ways that
** it could be done wrong.
**
Agreed, but you could have given an example of one of the good ways to do
it. Here's how I set up for hosting:
192.168.10.1/26 - gw address
192.168.10.8/26 - fxp0 on my web server
192.168.20.0/23 - bound to lo1 on the web server
I use zebra to implement OSPF to get the routes kicked around my network,
but it could easily be done with a static route on the gateway router.
Doing it like this keeps the arp tables small. I don't know if it really
matters or not, but I like it like that.
I also use a script rather than rc.conf to do my bindings:
for i in `jot 256 0`
do ifconfig lo1 inet 192.168.20.${i} netmask 0xffffffff alias
done
And, yes, I do bind the /whole/ subnet. I won't use .0 or .255, but with a
/26, I will use all 64 addresses.
HTH,
--
Troy Settle
Pulaski Networks
540.994.4254
They told me to think out of the box, but I
tripped over it, now I own my own company.
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