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DGS-1520 Series Gigabit Ethernet Smart Managed Switch Web UI Reference Guide
178
L2 Protocol Tunnel
This window is used to display and configure the Layer 2 protocol tunnel settings.
To view the following window, click L2 Features > L2 Protocol Tunnel and select the L2 Protocol Tunnel Global
Settings tab, as shown below:
Figure 5-70 L2 Protocol Tunnel (L2 Protocol Tunnel Global Setting) Window
The fields that can be configured are described below:
Parameter Description
CoS for Encapsulated
Packets
Select the CoS value for encapsulated packets here. This value is between 0 and
7.
Select the Default option to use the default value.
Drop Threshold
Enter the drop threshold value here. This value must be between 100 and 20000.
By default, this value is 0. The tunneling of the Layer 2 protocol packets will
consume CPU processing power in encapsulating, decapsulating, and forwarding
of the packet. Use this option to restrict the CPU processing bandwidth consumed
by specifying a threshold on the number of all Layer 2 protocol packets that can be
processed by the system. When the maximum number of packets is exceeded, the
excessive protocol packets are dropped.
Select the Default option to use the default value.
Click the Apply button to accept the changes made.
To view the following window, select the L2 Protocol Tunnel Port Setting tab, as shown below:
Figure 5-71 L2 Protocol Tunnel (L2 Protocol Tunnel Port Setting) Window
The fields that can be configured are described below:
Parameter Description
Unit
Select the Switch unit that will be used for this configuration here.
From Port - To Port
Select the range of ports that will be used for this configuration here.
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