Qinq Settings - D-Link xStack DGS-3620 Series Reference Manual

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xStack DGS-3620 Series Layer 3 Managed Stackable Gigabit Switch Web UI Reference Guide
Regulations for Q-in-Q VLANs
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Some rules and regulations apply with the implementation of the Q-in-Q VLAN procedure.
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Ports can be configured as UNI ports or NNI ports.
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Provider Edge switches must allow frames of at least 1522 bytes or more, due to the addition of the SPVID
tag.
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UNI ports must be an un-tagged port of the service provider VLANs. NNI ports must be a tagged port of the
service provider VLANs.
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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.
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When Q-in-Q VLANs are enabled, GVRP can work with Q-in-Q VLANs.
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The tags of all packets sent from the CPU to the UNI ports must be striped or replaced.
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The following functions will not operate when the switch is in Q-in-Q VLAN mode:
Guest VLANs.
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Web-based Access Control.
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IP Multicast Routing.
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All Regular 802.1Q VLAN functions.
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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 shown below:
Figure 5-37 QinQ Settings window
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