I'm pretty newb on Mellanox. I'm assuming switch. It's in HA pair.
(config) # show system profile
ib-single-switch
Product name: SX_PPC_M460EX
Product release: SX_3.3.5006
Build ID: #1-dev
Build date: 2014-05-20 12:19:44
Target arch: ppc
Target hw: m460ex
# show sys capa
IB: Supported
Max SM nodes: 648
IB Max licensed speed: FDR
Does this help?