D-Link DGS-3130 User Manual - Page 149

DGS-3130 Series Layer 3 Stackable Managed Switch Web UI Reference Guide Figure 5-62 L2 Protocol Tunnel (L2 Protocol Tunnel Global Setting) Window The fields that can be configured are described below: Parameter CoS for Encapsulated Packets Drop Threshold Description Select the CoS value for encapsulated packets here. This value is between 0 and 7. Select the Default option to use the default value. 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. After selecting the L2 Protocol Tunnel Port Setting tab option, at the top of the page, the following page will be available. Figure 5-63 L2 Protocol Tunnel (L2 Protocol Tunnel Port Setting) Window The fields that can be configured are described below: Parameter Unit From Port - To Port Action Type Tunneled Protocol Description Select the Switch unit that will be used for this configuration here. Select the range of ports that will be used for this configuration here. Select Add to add a new entry based in the information entered. Select Delete to delete an entry based in the information entered. Select the type option here. Options to choose from are None, Shutdown, and Drop. Select the tunneled protocol option here. Options to choose from are GVRP, STP, Protocol MAC, and All. 139