System information

DGS-3000 Series Layer 2 Managed Gigabit Switch Web UI Reference Guide
76
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. Once Double VLANs are enabled, GVRP must be disabled.
7. All packets sent from the CPU to the Access ports must be untagged.
8. The following functions will not operate when the switch is in Double VLAN mode:
9. Guest VLANs.
10. Web-based Access Control.
11. IP Multicast Routing.
12. GVRP.
13. All Regular 802.1Q VLAN functions.
QinQ Settings
This window is used to configure the Q-in-Q parameters.
To view the following window, click L2 Features > QinQ > QinQ Settings, as show below:
Figure 4-26 QinQ Settings Window
The fields that can be configured are described below:
Parameter Description
QinQ State
Click to enable or disable the Q-in-Q state.
Inner TPID
Enter an Inner TPID in SP-VLAN tag here.
From Port / To Port
Use the drop-down menus to select a range of ports to use in the configuration.
Role
Port role in Q-in-Q mode, it can be UNI port or NNI port
Missdrop
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
to the PVID of the received port.