To confirm the changes took effect and the new interface is active with the assigned IP address, run:

ifup ib0

ip addr show ib0
ib0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 2044 qdisc mq state UP group default qlen 256
    link/infiniband 80:81:00:10:fe:80:00:00:00:00:00:00:d0:06:6a:02:01:00:00:32 brd 00:ff:ff:ff:ff:12:40:1b:
    altname ibp63s0d1
    inet 192.168.1.1/16 brd 192.168.255.255 scope global noprefixroute ib0
       valid_lft forever preferred_lft forever
    inet6 fe80::d206:6a02:100:32/64 scope link
       valid_lft forever preferred_lft forever

For more details, refer to the CN5000 Fabric Installation Guide.