mcast-tools is a package containing IPv6-multicast routing daemons and tools,
comprising the following programs.

  - mcastread
  	an IPv6 multicast receiver

  - mcastsend
  	an IPv6 multicast sender

  - mfc
  	an IPv6 multicast routing daemon, which only supports static
	multicast routing.

  - pim6sd
  	an IPv6 multicast routing daemon, which supports PIM-SM
	 (Protocol Independent Multicast Sparse-Mode Version 2), and 
	 PIM-SSM (Source-Specific Multicast using PIM-SM)

  - pim6dd 
  	 an IPv6 multicast routing daemon, which supports PIM-DM
	 (Protocol Independent Multicast Dense-Mode Version 2)
