MSDP Configuration Guidelines

To configure the Multicast Source Discovery protocol (MSDP), include the msdp statement:

msdp {

    active-source-limit {

        maximum number;

        threshold number;

    }

    data-encapsulation (disable | enable);

    disable;

    export [ policy-names ]; 

    import [ policy-names ];

    local-address address;

    rib-group group-name;

    traceoptions {

        file name <replace> <size size> <files number> <no-stamp> 

            <(world-readable | no-world-readable)>;

        flag flag <flag-modifier> <disable>; 

    }

    peer address {

        active-source-limit {

            maximum number;

            threshold number;

        }

        authentication-key peer-key;

        default-peer;

        disable;

        export [ policy-names ]; 

        import [ policy-names ];

        local-address address;

        traceoptions {

            file name <replace> <size size> <files number> <no-stamp> 

                <(world-readable | no-world-readable)>;

            flag flag <flag-modifier> <disable>; 

        }

    }

    group group-name {

        disable;

        export [ policy-names ]; 

        import [ policy-names ];

        local-address address;

        mode (mesh-group | standard);

        traceoptions {

            file name <replace> <size size> <files number> <no-stamp> 

                <(world-readable | no-world-readable)>;

            flag flag <flag-modifier> <disable>; 

        }

        peer address; {

            active-source-limit {

                maximum number;

                threshold number;

            }

            authentication-key peer-key;

            default-peer;

            disable;

            export [ policy-names ]; 

            import [ policy-names ];

            local-address address;

            traceoptions {

                file name <replace> <size size> <files number> <no-stamp> 

                    <(world-readable | no-world-readable)>;

                flag flag <flag-modifier> <disable>; 

            }

        }

        source prefix/mask {

            active-source-limit {

                maximum number;

                threshold number;

            }

        }

    }

}

You can include this statement at the following hierarchy levels:

• [edit protocols]
• [edit routing-instances instance-name protocols]
• [edit logical-routers logical-router-name protocols]
• [edit routing-instances instance-name logical-routers logical-router-name protocols]

For an overview of logical routers and a detailed example of logical router configuration, see the logical routers chapter of the JUNOS Feature Guide.

By default, MSDP is disabled.

This chapter describes the following tasks for configuring MSDP:

• Minimum MSDP Configuration
• Enabling MSDP
• Configuring MSDP Peers
• Configuring MSDP Groups
• Configuring MSDP Mesh Groups
• Configuring the MSDP Authentication Key
• Configuring MSDP Routing Policy
• Configuring Multiple Rendezvous Points in a Domain
• Configuring MSDP Data Encapsulation
• Configuring the MSDP Active Source Limit
• Configuring a Default MSDP Peer
• Disabling MSDP
• Tracing MSDP Protocol Traffic

For a configuration example, see Example: Configuring MSDP.