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Configuring Static and Dynamic MLD Interfaces

The router supports static and dynamic MLD interfaces. Unlike static interfaces, dynamic interfaces are not restored when you reboot the router. For some protocols, dynamic layers can build on static layers in an interface; however, in a dynamic MLD interface, all the layers are dynamic. See Figure 19 for examples of static and dynamic MLD interfaces.

Figure 19: Static and Dynamic MLD Interfaces

Image g013239.gif

Static MLD interfaces are configured with software such as the CLI or an SNMP application; dynamic MLD interfaces are configured with a profile. A profile comprises a set of attributes for an interface; a profile for dynamic MLD interfaces contains attributes for configuring all the layers in the interface.

You define a profile by using the same CLI commands that you use to configure a static MLD interface; however, the mode in which you use the commands differs. Use the commands in Interface Configuration mode to configure a static MLD interface and in Profile Configuration mode to define a profile.

When you have defined a profile, you can apply it to an interface or a group of interfaces. Profiles provide an efficient method of creating and managing large numbers of dynamic interfaces. For detailed information about creating and assigning profiles, see Configuring Dynamic Interfaces in the JUNOSe Link Layer Configuration Guide. When you create a profile for dynamic MLD interfaces, specify attributes for configuring all layers in the interface.

You use the MLD commands shown in Table 11 to configure a static MLD interface. You also use these commands to define the attributes for the MLD layer when you create a profile for dynamic MLD interfaces.

Table 11: Static MLD Commands

ipv6 mld	ipv6 mld query-interval
ipv6 mld access-group	ipv6 mld query-max-response-time
ipv6 mld access-source-group	ipv6 mld robustness
ipv6 mld explicit-tracking	ipv6 mld static-include
ipv6 mld group limit	ipv6 mld static-exclude
ipv6 mld immediate-leave	ipv6 mld static-group
ipv6 mld last-member-query-interval	ipv6 mld version
ipv6 mld querier-timeout

The following sections describe the tasks associated with these and other ipv6 mld commands.

You can also use various MLD-specific RADIUS attributes in RADIUS Access-Accept messages as an alternative method of configuring certain values. See Configuring RADIUS Attributes in the JUNOSe Broadband Access Configuration Guide for additional information.

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