iTable of Contents1 VLAN-VPN Configuration··························································································································1-1VLAN-VPN Overview ······························································································································1-1Introduction to VLAN-VPN···············································································································1-1Implementation of VLAN-VPN·········································································································1-2Configuring the TPID for VLAN-VPN Packets·················································································1-2VLAN-VPN Configuration························································································································1-3VLAN-VPN Configuration Task List·································································································1-3Enabling the VLAN-VPN Feature for a Port ····················································································1-3Configuring the TPID Value for VLAN-VPN Packets ······································································1-3Displaying and Maintaining VLAN-VPN Configuration ···········································································1-4VLAN-VPN Configuration Example·········································································································1-4Transmitting User Packets through a Tunnel in the Public Network by Using VLAN-VPN·············1-42 Selective QinQ Configuration···················································································································2-1Selective QinQ Overview ························································································································2-1Selective QinQ Overview·················································································································2-1Selective QinQ Configuration··················································································································2-2Selective QinQ Configuration Task List···························································································2-2Configuring Global Tag Mapping Rules for Selective QinQ ····························································2-3Enabling the Selective QinQ Feature for a Port ··············································································2-3Selective QinQ Configuration Example···································································································2-3Processing Private Network Packets by Their Types ·····································································2-33 BPDU Tunnel Configuration ·····················································································································3-1BPDU Tunnel Overview ··························································································································3-1Introduction to the BPDU Tunnel Feature ·······················································································3-1BPDU Tunnel Fundamental ············································································································3-1BPDU Tunnel Configuration····················································································································3-3Configuration Prerequisites ·············································································································3-3Configuring a BPDU Tunnel ············································································································3-3Displaying and Maintaining BPDU Tunnel Configuration ·······································································3-4BPDU Tunnel Configuration Example·····································································································3-4Transmitting STP Packets Through a Tunnel ·················································································3-4
