DGS-3700-12/DGS-3700-12G Series Layer 2 Gigabit Ethernet Switch User Manual
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This table is used to configure the BPDU Tunneling port types. When the device is operated with Q-in-Q en abled, DA
will be replaced by the tunnel multicast address, and the BPDU will be tagged with t he tunnel VL AN based on the Q -
in-Q VLAN configuration and the tunnel/uplink setting. When the devic e is operated without Q-in-Q enabled, the BPDU
will have its DA replaced by the tunnel multicast address and be trans mitted out based on the VLAN configuration and
the tunnel/uplink setting. The tunnel multicast address for STP BPDU is 01-05-5d-00-00-00. T he tunnel multicast
address for GVRP BPDU is 01-05-5d-00-00-21.
To view this window, click L2 Features > BPDU Tunneling Settings as shown below:
Figure 3 - 27 BPDU Tunneling window
Select the ports and port types on which the BPDU tunneling will be enabl ed or disabled and click Apply.