help configuring /etc/network/interfaces?

[Joseph Hartman]

Hi all, I cloned a karmic ltsp server onto a new machine and can't configure
/etc/network/interfaces so that I get LTSP working and Internet
simultaneously. If /interfaces says:

# 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 eth2
# iface eth2 inet dhcp

auto eth0
iface eth0 inet static
    address 192.168.0.254
    netmask 255.255.255.0
    network 192.168.0.0
    broadcast 192.168.0.255
    up iptables-restore < /etc/ltsp/nat


then I get my LTSP network working fine, but no Internet. In this
configuration "ip route" shows this:

192.168.0.0/24 dev eth0_rename  proto kernel  scope link  src 192.168.0.254
metric 1
192.168.0.0/24 dev eth2  proto kernel  scope link  src 192.168.0.254  metric
1
169.254.0.0/16 dev eth2  scope link  metric 1000
default via 192.168.0.254 dev eth2  proto static


If I delete everything below the "# iface eth2 inet dhcp" line, Internet
works great, but I don't get LTSP obviously. Can anyone help me out? I don't
get the "eth0_rename" thing at all, but I already tried renaming eth0 to
eth0_rename and it didn't help. Thanks -Joe
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