On Tue, Sep 1, 2009 at 10:41 AM, Greg Rundlett
(freephile)<g...@freephile.com> wrote:
> Vlan tagging separates the traffic.
> How do I configure my notebook to be on both networks?
You need to tell the OS that you want it to recognize VLAN tags on
the interfaces. You'll then get multiple interfaces of the form
"foo0.1", where 0 is the physical interface number and 1 is the VLAN
ID. You can also still use "foo0" for untagged frames, if that's how
the network is configured.
Note that is a dot (.) not a colon (:). (Colons are used for
interface aliases, which is a way to do multiple IP addresses on one
physical interface, while maintaining the illusion of multiple
interfaces for programs which can't handle multiple IPs on a single
logical interface. (You can do the same thing easier with multiple
"ip addr add dev foo0" invocations, but some software assumes
"interface == address".))
The manual way to configure a VLAN interface is with the vconfig(8)
command. For example:
vconfig add eth0 42
will create the "eth0.42" VLAN interface.
I don't know the way to configure VLANs with Debian/Ubuntu config automation.
For Red Hat, you can create an "ifcfg-foo0.1" interface description
file, add "VLAN=yes", specify "DEVICE=foo0.1", and the rest happens
automagically.
-- Ben
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