From: Matt Price <[EMAIL PROTECTED]>
To: TLUG <[EMAIL PROTECTED]>
Subject: bridge eth1 to eth0?
Date: Fri, 29 Dec 2006 15:51:31 -0500
hi,
for stupid reasons I need to install via netboot on a compaq tablet
(hoping this will work, it's my last shot!). I have an ubuntu desktop
with two ethernet cards, eth0 & eth1, and have set up dhcp & tftp on
eth1 as documented in various places on the web, e.g. here:
http://www.debian-administration.org/articles/478
this works fine to a point. I have the ubuntu edgy netboot images
in /var/lib/tftpboot, my tablet starts up with pxe, finding the images,
and is ready to install but cannot find the broader internet 0-- it
doesn't seem to see past the eth1 subnet. So, probably a simple
question: how do I enable the eth1 traffic to bridge across to eth0
and thus access the whole internet? I guess it has something to do with
ip forwarding or ip masquarading or one of those very scary and arcane
pieces of dark magic.
I don't want to makethis pre-new year's post too long and am not sure
which pieces of info arethe most relevant but here's
the /etc/network/interfaces on the desktop:
# 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 eth0
#iface eth0 inet dhcp
iface eth0 inet static
address 192.168.2.210
netmask 255.255.255.0
gateway 192.168.2.1
auto eth1
#iface eth1 inet dhcp
# The second network card with static ip
iface eth1 inet static
address 192.168.0.1
netmask 255.255.255.0
network 192.168.0.0
--------------
I should maybe say that eth0 attaches to a cheap wireless router --
simple but not very flexible. The router is then in turn attached
through a cable modem to the local cable network.
thanks and please let me know what other info I should provide.
Matt
--
Matt Price
History Dept
University of Toronto
[EMAIL PROTECTED]
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