Understanding QinQ

Basic Concepts

QinQ Tunneling

Layer 2 Selective QinQ

VLAN Stacking

Compatibility of EtherTypes in QinQ Tags

QinQ-based VLAN Tag Swapping

QinQ Mapping

Symmetry/Asymmetry Mode

IP Forwarding on a Termination Sub-interface

Proxy ARP on a Termination Sub-interface

DHCP Server on a Termination Sub-interface

DHCP Relay on a Termination Sub-interface

VRRP on a Termination Sub-interface

L3VPN Access Through a Termination Sub-interface

VPWS Access Through a Termination Sub-interface

VPLS Access Through a Termination Sub-interface

Multicast Service on a Termination Sub-interface

VPWS Access Through a QinQ Stacking Sub-interface

VPLS Access Through a QinQ Stacking Sub-interface

802.1p on a QinQ Interface