D-Link DXS-3400 User Manual - Page 171
L2 Multicast Control, IGMP Snooping
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DXS-3400 Series Lite Layer 3 Stackable 10GbE Managed Switch Web UI Reference Guide Parameter Description 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. 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 5-74L2 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 Protocol MAC Threshold 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. After selecting the Protocol MAC option as the Tunneled Protocol, the following option will be available. Select the protocol MAC option here. Options to choose from are 01-00-0C-CC-CC-CC and 01-00-0C-CC-CC-CD. After selecting the Shutdown or Drop options as the Type, the following parameter will be available. Enter the threshold value here. This value must be between 1 and 4096. Click the Apply button to accept the changes made. Click the Clear All button to clear all the counter information. Click the Clear button to clear all the counter information of the specific entry. L2 Multicast Control IGMP Snooping Internet Group Management Protocol (IGMP) snooping allows the Switch to recognize IGMP queries and reports sent between network stations or devices and an IGMP host. 161