02-09-2016
Hi,
All the IPV4 addresses are allocated, your ISP probably has some availability. If not you can contact an other ISP, you can reserve an IPV6 address as well if you require.
Regards
Gull04
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LEARN ABOUT CENTOS
rdma_join_multicast
RDMA_JOIN_MULTICAST(3) Librdmacm Programmer's Manual RDMA_JOIN_MULTICAST(3)
NAME
rdma_join_multicast - Joins a multicast group.
SYNOPSIS
#include <rdma/rdma_cma.h>
int rdma_join_multicast (struct rdma_cm_id *id, struct sockaddr *addr, void *context);
ARGUMENTS
id Communication identifier associated with the request.
addr Multicast address identifying the group to join.
context User-defined context associated with the join request.
DESCRIPTION
Joins a multicast group and attaches an associated QP to the group.
RETURN VALUE
Returns 0 on success, or -1 on error. If an error occurs, errno will be set to indicate the failure reason.
NOTES
Before joining a multicast group, the rdma_cm_id must be bound to an RDMA device by calling rdma_bind_addr or rdma_resolve_addr. Use of
rdma_resolve_addr requires the local routing tables to resolve the multicast address to an RDMA device, unless a specific source address is
provided. The user must call rdma_leave_multicast to leave the multicast group and release any multicast resources. After the join opera-
tion completes, if a QP is associated with the rdma_cm_id, it is automatically attached to the multicast group when the multicast event is
retrieved by the user. Otherwise, the user is responsible for calling ibv_attach_mcast to bind the QP to the multicast group. The join
context is returned to the user through the private_data field in the rdma_cm_event.
SEE ALSO
rdma_leave_multicast(3), rdma_bind_addr(3), rdma_resolve_addr(3), rdma_create_qp(3), rdma_get_cm_event(3)
librdmacm 2008-01-02 RDMA_JOIN_MULTICAST(3)