Figure 13-2 S - Radwin 5000 HPMP User Manual

QinQ (Double Tagging) for Service Providers
Figure 13-1: VLAN scenarios handled by RADWIN 5000 HBS
IEEE 802.1Q is used as the encapsulation protocol to implement this mechanism over Ether-
net networks.
QinQ (Double Tagging) for Service Providers
QinQ is useful for Service Providers, allowing them to use VLANs internally in their "transport
network" while mixing Ethernet traffic from clients that are already VLAN-tagged.
Figure 13-2: Separating client data streams using double tagging
RADWIN 5000 HPMP User Manual Release 3.3.30
Chapter 13
13-2