Jason Opperisano schreef: > On Mon, 2005-01-10 at 01:46, Curby . wrote: > > I've currently got two Internet-facing IP addresses on my gateway using a > > single interface. I have them configured as eth0:0 and eth0:1, but I've > > read several times on this list that doing it this way (I think it's called > > aliasing?) is not recommended. IIRC the recommended alternative was to use > > the ip command to handle it. > > that is correct. > > > Why is that alternative preferable? The only thing I can see now is that > > I'd have to double the number of iptables rules in some cases to take care > > of eth0:0 and eth0:1 instead of just eth0. > > that's why 'ip addr add w.x.y.z dev eth0' is preferable--it doesn't > delude you into thinking you have multiple interfaces, because you > don't. try and add a rule for eth0:0 and let us know how it goes. I can think of two pro's:- Aliasing is the standard way of handling multiple ip-addresses to one interface (at least for Sun). - It's an easy way of adding an ip-address via ifup and ifdown in the file (for Debian) /etc/network/interfaces. Greetings, -- Frans Luteijn PGP PblKey fprnt=C4 87 CE AF BC B6 98 C1 EF 42 A1 9A E2 C0 42 5B GPG PblKey fprnt=ED20 0F25 C233 DC59 3FFA 170E D0BF 15F5 0BA6 1355