If you mention that netperf and ping is working over the 2nd port then I guess you took care of a second opensm instance running on the B2B link.
For iblinkinfo to work, try:
iblinkinfo -P 2
If you mention that netperf and ping is working over the 2nd port then I guess you took care of a second opensm instance running on the B2B link.
For iblinkinfo to work, try:
iblinkinfo -P 2