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       asmping  -  check  if  you can receive IPv4/IPv6 multicast data from an
       internet host


       asmping [ -46v ] [ -I interface ] [ -c count ] [ -s size ] group host



       asmping and ssmpingd are network level multicast management tools  that
       can  be used to check whether one can receive multicast packets via ASM
       from a host.  The host target given to asmping must  run  the  ssmpingd
       daemon,  which  listens  on  UDP  port  4321  for IPv4 and IPv6 unicast
       requests.  When it receives one, it responds to the specified multicast
       group  which  asmping  just  have  joined.   Note  that one can not use
       arbitrary groups. Independent of what  group  is  specified,  the  last
       quarter  of  the address is forced to be 234 or ::4321:1234 for IPv4 or
       IPv6 respectively.


       For ssmpingd there are no options.  For  asmping  the  options  are  as

       -4     Force IPv4

       -6     Force IPv6

       -v     Print client and server version information.

       -I interface
              Interface to join on

       -c count
              Stop after sending (and receiving) count requests (and replies)

       -s size
              Request replies to have a size of size bytes


       ssmping(1) a tool for checking whether can receive SSM.

       dbeacon(1) a distributed beacon multicast implementation.


       Please  report  them  to Stig Venaas <>, the author of
       this tool.


       asmping and ssmpingd were developed by Stig  Venaas  during  the  early
       days of the m6bone, the IPv6 multicast backbone.

                                 User Manuals                       asmping(1)