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Supports both native and virtual (tunnel) interfaces (tested IPv6-IPv4, IPv6-IPv6 and TUN/TAP tunnels)
Abstract Multicast Forwarding Interface (MFA) with user-space forwarding
CLI support (remote configuration and management) via telnet or local access
The project is unsupported since 2013. The author states as a reason that native multicast forwarding support is available in Linux since 2005 and pim6sd could be used to manage it.