Hi Lars, I think you mean layer-1 VPN and not Layer-1 VLAN. VLAN as I know works on Layer-2 Alone. Check the link http://www.ietf.org/internet-drafts/draft-takeda-l1vpn-framework-01.txt to find more about Layer-1 VPN. Thanks, Vishwas -----Original Message----- From: vlan-bounces@xxxxxxxxxxxxxxx [mailto:vlan-bounces@xxxxxxxxxxxxxxx] On Behalf Of Lars Reimann Sent: Monday, September 27, 2004 5:06 PM To: Linux 802.1Q VLAN Subject: [VLAN] vlan & osi-model hi all, i've a short question about the different vlan operating modes. everywhere it says: layer 1 VLAN, layer 2 VLAN, layer 3 VLAN, layer 4-7 vlan. my question is, if vlan layer 1 really corresponds to "OSI-Model Layer 1 " VLAN? i do understand that layer 2 vlan works with mac-addresses like osi-model layer 2, and layer 3 vlan inspects ip-adresses for example forming vlans per subnet. but i cannot imagine how per-port vlan works on layer1. can anyone help? _______________________________________________ Vlan mailing list Vlan@xxxxxxxxxxxx http://www.lanforge.com/mailman/listinfo/vlan
