On Fri, Dec 29, 2006 at 11:04:01PM +0100, Sven Arvidsson wrote: > On Fri, 2006-12-29 at 16:42 -0500, Matt Price wrote: > > 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.
[...] > > Bridging is done using the tools from the bridge-utils package, and > isn't very hard to do, but unless I have misunderstood something, all > you want is to turn on ip forwarding? > > echo 1 > /proc/sys/net/ipv4/ip_forward > > There might be a more permanent and Debian friendly way to do this, but > it'll work in a pinch. you can modify /etc/network/options. its very self-explanatory. A
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