[K12OSN] eth0 and eth1
nils at breun.nl
Sun Sep 7 14:54:42 UTC 2008
Stephen Crampton wrote:
> Could someone please explain how an LTSP system decides how to use
> eth0 and eth1?
The same as any Linux system: by using the route table.
> For instance, if I pull up firefox and type in cnn.com, over which
> interface does my request go out?
That depends on your routing table. See the output of the 'route'
> Which interface is serving DHCP and TFTP requests?
On K12LTSP it is eth0, I guess Edubuntu is simila.
> /etc/ltsp/dhcpd.conf doesn't seem to provide the answer. The DHCP
> script under /etc/init.d refers to a variable $INTERFACES, but I
> cannot figure out where that variable is initialized.
> I'm assuming that, in the default case, firefox sends requests over
> both interfaces, but dhcpd only uses eth0. But how do I determine
> whether this is true or not for my system?
Read up on TCP/IP routing. Individual applications (e.g. Firefox)
don't decide this.
More information about the K12OSN