# Before You Begin

Before you begin configuring multicast on IPv4 and IPv6 interfaces, you must:

- Configure IP interfaces. For more information about configuring IP interfaces, see Configuring IP in the JunosE IP, IPv6, and IGP Configuration Guide.
- Configure IPv6 interfaces. For more information about configuring IPv6 interfaces, see Configuring IPv6 in JunosE IP, IPv6, and IGP Configuration Guide.

#### Related Documentation

- Configuring IPv6 Multicast Attributes
- Example: Configuring an IPv6 Multicast Bandwidth Map
- Activating IPv6 Multicast QoS Adjustment Functions
- Configuring IPv6 Hardware Multicast Packet Replication
- Blocking IPv6 Mroutes
- Enabling Interface-Level Admission Bandwidth Limitation for IPv6
- Creating IPv6 Mroute Port Limits
- Enabling Port-Level Admission Bandwidth Limitation for IPv6
- Deleting IPv6 Multicast Forwarding Entries