Re: Iptables and vlan interfaces

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On Mon, Oct 03, 2005 at 12:18:11PM +0530, Aseem Rastogi wrote:
> i have been following this post rather keenly. it now seems to have died 
> down. but still i am not able to understand what is a vlan interface. 
> can somebody please give me some pointer where i can read about this. 
> vlan i thought is a l2 concept and should have nothing to do with l3.

http://en.wikipedia.org/wiki/Vlan might be a good start.

While VLANs are basically a layer 2 concept, you somehow need to reach
them from upper layers. This is accomplished by having "virtual
interfaces" which are "connected" to the VLAN and feel just like a
physical interface on a physical LAN from the software side.

Greetings
Marc

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