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Old 04-08-2005, 02:55 PM   #1
LQ Newbie
Registered: Apr 2005
Distribution: Slackware 10.1
Posts: 9

Rep: Reputation: 0
Eth0 and Eth1 config

First of all, thanks for even looking. This isn't so much of a problem as a request for confirmation.

The idea is that this 'intranet' box will be accessible internally as well as externally. The in-house DNS server points the URL to, but externally the DNS record is an external IP. As you can see this shortcuts directly to the box if you are in-house - seemingly a standard practice.

However, I had a slight problem with my setup. I have not setup more than one interface before so it was all trial and error. My first attempt worked breifly, till I realized that I could not resolve externally:
# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).

# The loopback network interface
auto lo
iface lo inet loopback

# The primary network interface
auto eth1
iface eth1 inet static
  address *my-ip-here*
  gateway *my-gateway-here*

auto eth0
iface eth0 inet static
So I thought, "It has two gateways... maybe it's getting confused." I took out the second gateway ( and it works! I can resolve externally and internally.

My question: Is this the proper way to have this set up? Thank you.
Old 04-09-2005, 09:18 AM   #2
Registered: Mar 2003
Location: Scotland
Distribution: Slackware, RedHat, Debian
Posts: 12,047

Rep: Reputation: 66
Yes that is correct.

By definition you can really only have one "default". Default in this case really means "if all else fails" - ie no other specific route could be matched.


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