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 -- ----------------------------------------------------------------------------- Marc Haber | "I don't trust Computers. They | Mailadresse im Header Mannheim, Germany | lose things." Winona Ryder | Fon: *49 621 72739834 Nordisch by Nature | How to make an American Quilt | Fax: *49 621 72739835