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 From:  "Chris Buechler" <cbuechler at gmail dot com>
 Cc:  m0n0wall at lists dot m0n0 dot ch
 Subject:  Re: [m0n0wall] DNS forwarding does not seem to work for an aliased LAN address
 Date:  Tue, 21 Nov 2006 12:48:11 -0500
On 11/20/06, Loren Zemenick <Loren at hilltopinternet dot com> wrote:
> DNS forwarding works fine for monowall 1.11 or 1.22 when monowall's LAN
> address is used for the DNS server, say 192.168.1.1 . If an alias is added
> by executing (exec.php) "ifconfig sis0 alias 192.168.1.2 mask 0xFFFFFFFF", a
> computer configured with the alias (192.168.1.2) as its default gateway and
> DNS can route ip addresses but cannot resolve DNS lookups. Am I doing
> something wrong or is this expected behavior?

Yes to both, you're adding an alias.  That's not a good idea, not
supported, and bound to cause problems.  The system only supports one
IP per interface, if you go behind the GUI and hack in things, certain
things aren't going to work.

-Chris