| Rev | Author | # | Line |
|---|---|---|---|
| 1 | DanielLawson | 1 | [VLAN]s under [Linux] are fairly trivial to set up. You’ll need to make sure your switch is passing [VLAN]-tagged frames to you. |
| 2 | |||
| 3 | There are some [VLAN] tools you’ll need – on a [Debian]-based system, <tt>apt-get install vlan</tt> will fix you up. Once you have the tools installed, you can add a [VLAN] to a physical interface with the <tt>vconfig</tt> command: | ||
| 4 | |||
| 6 | AristotlePagaltzis | 5 | <verbatim> |
| 6 | vconfig add eth0 1234 | ||
| 7 | vconfig add eth0 2000 | ||
| 8 | </verbatim> | ||
| 1 | DanielLawson | 9 | |
| 6 | AristotlePagaltzis | 10 | These commands will add two [VLAN]s, 1234 and 2000, to the physical <tt>eth0</tt> device, and create two new interfaces, <tt>eth0.1234</tt> and <tt>eth0.2000</tt>. These interfaces still need to be configured with ifconfig(8). |
| 1 | DanielLawson | 11 | |
| 12 | Note that you’ll probably have to stop using the raw physical device. Just use the [VLAN] interfaces. | ||
| 13 | |||
| 14 | !! [VLAN]s and [Debian]’s interfaces file | ||
| 15 | |||
| 16 | [Debian] has some fairly nice integration with the [VLAN] tools. You have a choice of methods to use: | ||
| 17 | |||
| 18 | * This one will work out which [Ethernet] device you are using based on the stub of the device name (don’t get it confused with an aliased [IP] address though!): | ||
| 19 | |||
| 6 | AristotlePagaltzis | 20 | <verbatim> |
| 21 | auto eth0.1234 | ||
| 22 | iface eth0.1234 inet dhcp | ||
| 23 | </verbatim> | ||
| 1 | DanielLawson | 24 | |
| 6 | AristotlePagaltzis | 25 | * This one renames the interface to something easier to read, but you need to specify which [Ethernet] device you are using: |
| 1 | DanielLawson | 26 | |
| 6 | AristotlePagaltzis | 27 | <verbatim> |
| 28 | auto vlan1234 | ||
| 29 | iface vlan1234 inet dhcp | ||
| 30 | vlan-raw-device eth0 | ||
| 31 | </verbatim> | ||
| 1 | DanielLawson | 32 | |
| 3 | PerryLorier | 33 | Both formats also have an option to have the [VLAN] interface name zero-padded to four digits, eg: <tt>eth0.1</tt> or <tt>eth0.0001</tt>, <tt>vlan1</tt> or <tt>vlan0001</tt>. |
| 4 | CraigBox | 34 | |
| 35 | __Note:__ you cannot mix differing formats within the same machine (even using one form in <tt>interface</tt> and a different form from some other configuration system). | ||
| 36 | |||
| 6 | AristotlePagaltzis | 37 | Read the <tt>vlan-interfaces</tt> ManPage for more information. |
| 38 | |||
| 39 | ---- | ||
| 4 | CraigBox | 40 | Part of CategoryNetworking |
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