"Two hosts on the same ip network don't use any routing protocols. A default gateway is not needed either."
<pedant> Two hosts on the same network *segment* (physical, and logical) often don't need routing or gateways. You can. however, have a large network (or even a small one) that requires a router. Example: Host a) 10.2.0.10/255.255.255.0 Host b) 10.3.0.10/255.255.255.0 </pedant> The linux networking stack may be more forgiving, and just pump out "who-has" requests and get a MAC back, but as I read the specs, each host above *should* only search in their respective 255.255.255.0 space to build their ARP table,.. but I may be reading it wrong, and welcome correction. On Mon, Dec 3, 2012 at 1:17 PM, Mike C. <mconno...@gmail.com> wrote: > Ctrl Alt + T and yes you will need either dhcp or to assign and static IP > > > and setup routing otherwise the host won't know how to connect which is > > nothing to do with Ubuntu but has everything to do with the Network > Stack. > > > > You only need to setup routing if you're trying to communicate to a host > on a different network. Two hosts on the same ip network don't use any > routing protocols. A default gateway is not needed either. > The arp table in each host maps the ip addrs to mac addrs of all the > devices on the same ip net. When you ping an ip address on the same ip > net, an arp table look up is performed to get the mac address and then the > packets are "routed" to the destination mac addr. > > This is applicable even if you have the wireless and wired interface > connected to different LANs, as long as you're connecting to a host on the > same ip net. > _______________________________________________ > PLUG mailing list > PLUG@lists.pdxlinux.org > http://lists.pdxlinux.org/mailman/listinfo/plug > _______________________________________________ PLUG mailing list PLUG@lists.pdxlinux.org http://lists.pdxlinux.org/mailman/listinfo/plug
