Qinq Settings - D-Link xStack DGS-3420 Series Reference Manual

xStack® DGS-3420 Series Layer 2 Managed Stackable Gigabit Switch Web UI Reference Guide
2. Ports can be configured as UNI ports or NNI ports. Both UNI and NNI ports can be configured as Gigabit
ports.
3. Provider Edge switches must allow frames of at least 1522 bytes or more, due to the addition of the SPVID
tag.
4. UNI ports can be an untagged or a tagged port of the service provider VLAN. NNI ports must be a tagged
port of the service provider VLANs.
5. The switch cannot have both double and normal VLANs co-existing. Once the change of VLAN is made, all
Access Control lists are cleared and must be reconfigured.
6. When Q-in-Q VLANs are enabled, GVRP can work with Q-in-Q VLANs.
7. The tags of all packets sent from the CPU to the UNI ports must be striped or replaced.
8. The following functions will not operate when the switch is in Q-in-Q VLAN mode:
•
Guest VLANs.
•
Web-based Access Control.
•
IP Multicast Routing.
•
All Regular 802.1Q VLAN functions.

QinQ Settings

The user can configure the Q-in-Q parameters in this page.
To view the following window, click L2 Features > QinQ > QinQ Settings, as show below:
The fields that can be configured are described below:
Parameter
QinQ State
Inner TPID
Unit
From Port / To Port
Role
Missdrop
Figure 4-29 QinQ Settings Window
Description
Selecting this option enable the Q-in-Q feature.
Enter an Inner TPID in customer VLAN tag here.
Select the unit you wish to configure.
Here the user can select a range of ports to use in the configuration.
Port role in Q-in-Q mode, it can be UNI port or NNI port.
This option enables or disables C-VLAN based SP-VLAN assignment miss drop. If
Missdrop is enabled, the packet that does not match any assignment rule in the Q-in-Q
profile will be dropped. If disabled, then the packet will be forwarded and will be assigned
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