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Re: Specifying multiple NICs

On Wed, Aug 01, 2018 at 12:00:41PM -0400, Mark Neidorff wrote:
I'm setting up a "just in case" replacement mailserver for my domain and my
local network.  I'm using Debian Jessie, because the latest instructions for
setting the mailserver (qmail) are written for Jessie.  The mailserver has 2
NICs (one for local network, and one for Internet).

In the past,  I referred to each NIC as eth0, eth1,..... but now, these names
are not permanent, and the designation can change on boot.  I looked at the
"Network Coinfiguration" document which didn't have a solution.  So, either how
do I make the names for the NICs permanent or what do I use fot the names of
the NICs?

In my opinion, the most "debian" way is to do the following in /etc/network/interfaces:

rename eth0=localnet
auto localnet
iface localnet inet static
	address blahblah

rename eth1=internet
iface internet inet dhcp
	and so on

If you finding the going easy, you're probably going downhill.

For more information, please reread.

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