Layer 2 Protocol Tunneling Settings - D-Link DES-3528 - xStack Switch - Stackable Reference Manual

xStack® DES-3528/DES-3552 Series Layer 2 Stackable Fast Ethernet Managed Switch Web UI Reference Guide
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Q-in-Q and VLAN Translation Rules
For ingress untagged packets at UNI ports:
1. The Switch does not reference the VLAN translation table.
2. Check the Switch VLAN tables. The sequence is MAC-based VLAN -> subnet-based VLAN -> protocol-based
VLAN -> port-based VLAN. If matched, the matched VLAN will become this packet's 'SPVLAN'.
For ingress tagged packets at UNI ports:
1. The Switch looks up the VLAN translation table. If matched, the VLAN tag will be translated (replace CEVLAN
with SPVLAN, or add SPVLAN).
2. Or, check the Switch VLAN tables. The sequence is the same as above. The matched VLAN becomes this
packet's 'SPVLAN'.

Layer 2 Protocol Tunneling Settings

The layer 2 protocol tunneling is used to tunnel the layer 2 protocol packets. When the device is operating with the
Q-in-Q enabled, DA will be replaced by the tunnel multicast address, and the BPDU will be tagged with the tunnel
VLAN based on the QinQ VLAN configuration and the tunnel/uplink setting. When the device is operating with the Q-in-
Q disabled, the BPDU will have its DA replaced by the tunnel multicast address and is transmitted out based on the
VLAN configuration and the tunnel/uplink setting.
To view this window, click L2 Features > Layer 2 Protocol Tunneling Settings, as shown below:
The fields that can be configured are described below:
Parameter
Layer 2 Protocol
Tunneling State
Unit
From Port / To Port
Type
Tunneled Protocol
Description
Toggle the State field to either enable or disable Layer 2 Protocol Tunneling of ports.
Select a unit in the stack to be configured.
Specify the ports on which the L2PT to be configured.
Specify the layer 2 protocol tunnel type which will apply on the specified ports.
UNI - Specify the port is UNI port.
NNI - Specify the port is NNI port.
None –Disable the tunneling function.
Specify tunneled protocols on this UNI port.
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