METRODATA LTD
WCM1400/WCM1800/WCM1820
Quick Start Guide
76-02-087 Rev D
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5.2.5 Traffic Isolation
The WCM1800 has three modes of operation and the traffic isolation menu selects the
mode:
5.2.5.1 Isolation Mode
There are three operating modes
None
VLAN/STAG ID processing disabled
VLAN
Switching is based on the VLAN TAG ID
QinQ
Switching is based on the S-TAG ID
5.2.5.2 QinQ Ethertype
Whilst the VLAN tag is defined as 8100, there are many implementations of QinQ
operation and as such the S-TAG is user defined.
9100
QinQ
8100
VLAN 802.1q
9200
Brocade, Juniper
88A8
IEEE 802.1ad Provider Bridge, Extreme