Re: Multi-Networking in Linux - Multiple Subnets
Marc Haber <[email protected]> Thu, 30 Jul 2026 18:46:35 +0200
| Newsgroups | comp.os.linux.misc |
|---|---|
| Organization | private site, see http://www.zugschlus.de/ for details |
| Message-ID | <[email protected]> |
Andy Burns <[email protected]> wrote: >If you want multiple IP subnets on a single ethernet network, you'd be >better off using VLANs, even cheapo switches can handle that, then your >linux box with a single NIC can have VLAN sub-interfaces e.g. eth1.1 on >192.168.0.1/24 and eth1.10 on 192.168.1.0/24 Please don't introduce VLANs unless you have fully understood how IP routing works. >If you don't want VLANs you *could* use a NIC alias so that e.g. eth1 is >on 192.168.0.1/24 and the alias eth1:2 is on 192.168.1.1/24 ... but why? NIC aliases have been obsolete in Linux for 20 years. Since then, you just configure a second address on the Interface. Greetings Marc -- ---------------------------------------------------------------------------- Marc Haber | " Questions are the | Mailadresse im Header Rhein-Neckar, DE | Beginning of Wisdom " | Nordisch by Nature | Lt. Worf, TNG "Rightful Heir" | Fon: *49 6224 1600402