Configuring IP Multicast 717Multicast Interface ConfigurationUse the Multicast Interface Configuration page to configure the TTL threshold of a multicast interface.You must configure at least one router interface before fields display on this page.To display the page, click IPv4 Multicast →Multicast →Interface Configuration in the tree view.Figure 12-2. Multicast Interface ConfigurationThe Multicast Interface Configuration page contains the following fields:• Interface — Select the routing interface you want to configure from the drop-down menu.• TTL Threshold — Enter the TTL threshold below which a multicast data packet is not forwardedfrom the selected interface. Enter a number between 0 and 255. If you enter 0, all multicast packets forthe selected interface are forwarded. You must configure at least one router interface to see this field.Configuring a Multicast Interface1. Open the Multicast Interface Configuration page.2. Select the interface to configure from the Interface drop-down menu.3. Enter the desired TTL Threshold.4. Click Apply Changes.The multicast interface configuration is saved, and the device is updated.Configuring a Multicast Interface Using CLI CommandsFor information about the CLI command that performs this function, see the following chapter in theCLI Reference Guide:• Multicast CommandsThe following table summarizes the equivalent CLI commands for this feature.
