D-Link DGS-3630-52PC Web UI Reference Guide 2 - Page 317

DGS-3630 Series Layer 3 Stackable Managed Switch Web UI Reference Guide The fields that can be configured are described below: Parameter SPT Threshold Description Select the SPT threshold option here. Options to choose from are 0 and Infinity. • 0 - Specifies to establish the source tree right at the arrival of the first packet. • Infinity - Specifies to always rely on the shared tree. Select the Default option to use the default setting, which is Infinity. Click the Apply button to accept the changes made. PIM SSM Settings This window is used to display and configure the PIM SSM settings. Use this feature on the last hop of the router only. When SSM is enabled, the last hop router will initiate to establish a source-based tree for the channel (S,G) on receiving a IGMPv3 include (S, G) request that falls in the SSM range from the attached hosts. To view the following window, click L3 Features > IP Multicast Routing Protocol > PIM > PIM for IPv4 > PIM SSM Settings, as shown below: Figure 6-127 PIM SSM Settings Window The fields that can be configured are described below: Parameter Multicast Group Address Name Description Enter the standard IP access list name here that defines the user-specified SSM group addresses. The group address should be defined in the destination IP address field of the rule entry. Alternatively, click the Show List button to find and select any of the exiting access lists configured on this Switch to be used in this configuration. Selecting the Default SSM Group (232.0.0.0/8) option specifies to use the default SSM group addresses. The default SSM group address range is 232/8. Click the Add button to add a new entry based on the information entered. Click the Delete button to delete an entry based on the information entered. After clicking the Show List button, the following page will appear. Figure 6-128 PIM SSM Settings (Show List) Window 305