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Date:      Tue, 08 Oct 2002 17:02:37 -0400
From:      Steven King <cking@blessed.net>
To:        questions@FreeBSD.ORG
Subject:   Dual-Homed
Message-ID:  <3DA347ED.6080305@blessed.net>

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I need help trying to get my FreeBSD machine dual-homed. I will try to 
explain the situation as best as possible..

Interface1 -> hub1 -> Cable Modem (DHCP) -> Internet
Interface2 -> hub2 -> Router -> Frame Relay -> Internet

I am trying to use Interface1 for cvsup's and things like that (frame is 
only 56k) . I have to use Interface2 for web server, mail and dns..

When I set up /etc/rc.conf this way it loads up the interfaces no 
problem and the cable modem interface works fine but on the interface2 
side I cannot get to the internet nor can anyone get to it from that 
side. I can ping the boxes on the local subnet but thats it.

from rc.conf:

network_interfaces="rl0 de0 lo0"
defaultrouter="NO"
ifconfig_rl0="DHCP"
ifconfig_de0="inet <interface2 IP> netmask 255.255.255.0"

I cannot figure out what else is needed to fix this.. I have tried 
static_routes, gateway_enable, forward_sourceroute in rc.conf and 
net.inet.ip.forwarding=1 in sysctl.conf.. I have tried several different 
netmasks for interface2 thinking that was the problem but that dont do 
anything.. messed with defaultrouter and everything I can think of.. All 
of the examples I have seen on the web and searching through the mailing 
list are of using the FBSD box as a gateway for an internal network to 
go out through the FBSD box onto the internet.

Any help would be appreciated..

Thank you




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