RADWIN5000HPMPUserManual Release3.5.70 18‐2
VLANTagging
VLANTagging
VLANtaggingenablesmultiplebridgednetworkstotransparentlyshare thesamephysical
networklinkwithoutleakageofinformationbetweennetworks:
Figure18‐1:VLANscenarioshandledbyRADWIN5000HBS
IEEE802.1Qisusedastheencapsulation protocoltoimplementthismechanismover
Ethernetnetworks.
QinQ(DoubleTagging)forServiceProviders
QinQisusefulforServiceProviders,allowingthemtouseVLANsinternallyintheir“transport
network”whilemixingEthernettrafficfromclientsthatarealreadyVLAN‐tagged.