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Date: Mon, 18 Dec 2000 00:14:11 +0000
From: Moses Backman III <penguinjedi@home.com>
To: Don O'Neil <don@whtech.com>
Cc: Moses Backman III <penguinjedi@home.com>,
	"Walter W . Hop" <walter@binity.nl>,
	Kenneth Wayne Culver <culverk@wam.umd.edu>,
	Quetstions FreeBSD <questions@FreeBSD.ORG>
Subject: RE: ip aliasing
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References: <20001217201453.A674@cg22413-a.adubn1.nj.home.com> <MOBBIPGJKBNNPGLGMFHFGECLFNAA.don@whtech.com>
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On 2000.12.18 03:32:23 +0000 Don O'Neil wrote:
> Actually... the netmask for the first IP should be /24 (255.255.255.0)
> but
> the aliases should be 255.255.255.255....
> 
> Here's an example for /etc/rc.conf:
> 
> ifconfig_fxp0="inet 10.10.10.1  netmask 255.255.255.0"
> ifconfig_fxp0_alias0="inet 10.10.11.1  netmask 255.255.255.255"
> ifconfig_fxp0_alias1="inet 10.10.12.1  netmask 255.255.255.255"
> 
> Unless you're going to setup packet filtering or the kernel based
> firewall,
> then there is no need to activate the options you were told you
> needed....
> 
> The basic kernel supports mutiple IP address aliases by default.
> 

ok, give it to me in baby steps...10......................

i assume 10.10.10.1 is my outside interface w/ netmask 255.255.255.0

then, i add lines 2 and 3 to /etc/rc.conf?  these two are my intenal
network and i am
telling the system to assign them alias0 and 1????????????

i don't want to be a pain if there is a good faq you know
of.............................

i just want to know WHY i am doing the things i do.  
thanks



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