How to assign multicast IP address

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mckey

MCKEY(1)							     librdmacm								  MCKEY(1)

NAME

       mckey - RDMA CM multicast setup and simple data transfer test.

SYNOPSIS

       mckey -m multicast_address [-s] [-b bind_address] [-c connections]
		 [-C message_count] [-S message_size] [-p port_space]
       mckey -m multicast_address -s [-b bind_address] [-c connections]
		 [-C message_count] [-S message_size] [-p port_space]
       mckey -M unmapped_multicast_address -b bind_address [-s] [-c connections]
		 [-C message_count] [-S message_size] [-p port_space]

DESCRIPTION

       Establishes  a  set  of	RDMA  multicast communication paths between nodes using the librdmacm, optionally transfers datagrams to receiving
       nodes, then tears down the communication.

OPTIONS

       -m multicast_address
	      IP multicast address to join.

       -M unmapped_multicast_address
	      RDMA transport specific multicast address to join.

       -s     Send datagrams to the multicast group.

       -b bind_address
	      The local network address to bind to.

       -c connections
	      The number of QPs to join the multicast group.  (default 1)

       -C message_count
	      The number of messages to transfer over each connection.	(default 10)

       -S message_size
	      The size of each message transferred, in bytes.  This value must be smaller than the MTU of the underlying  RDMA	transport,  or	an
	      error will occur.  (default 100)

       -p port_space
	      The  port  space	of  the  datagram  communication.   May  be  either  the RDMA UDP (0x0111) or IPoIB (0x0002) port space.  (default
	      RDMA_PS_UDP)

NOTES

       Basic usage is to start mckey -m multicast_address on a server system, then run mckey -m multicast_address -s on a client system.

       Unique Infiniband SA assigned multicast GIDs can be retrived by invoking mckey with a zero MGID or  IP  address.   (Example,  -M  0  or	-m
       0.0.0.0).  The assigned address will be displayed to allow mckey clients to join the created group.

       Because	this  test maps RDMA resources to userspace, users must ensure that they have available system resources and permissions.  See the
       libibverbs README file for additional details.

SEE ALSO

       rdma_cm(7), ucmatose(1), udaddy(1), rping(1)

librdmacm							    2007-05-15								  MCKEY(1)

Solaris