[Become superuser on any node in the cluster.]
[Enter the utility:]
# scsetup
Type 3 (Cluster interconnect).
Select either Add a transport cable, 

Add a transport adapter to a node, 

or Add a transport junction.

Answer the questions when prompted.
   You Will Need:         Example:
   node names             phys-schost-1
   adapter names          qfe1
   junction names         hub1
[Verify that the scconf command completed successfully:]
“Command completed successfully.”
Quit the scsetup Cluster Interconnect Menu and Main Menu.
[Verify that the cable, adapter, or junction is removed:]
# scconf -p | grep cable
  Transport cable:   phys-schost-2:qfe0@1 ethernet-1@2    Enabled
  Transport cable:   phys-schost-3:qfe0@1 ethernet-1@3    Enabled
  Transport cable:   phys-schost-1:qfe0@0 ethernet-1@1    Enabled
# scconf -p | grep adapter
  Node transport adapters:   qfe2 hme1 qfe0
  Node transport adapter:   qfe0
  Node transport adapters:   qfe0 qfe2 hme1
  Node transport adapter:   qfe0
  Node transport adapters:   qfe0 qfe2 hme1
  Node transport adapter:   qfe0
# scconf -p | grep junction
  Cluster transport junctions:     hub0 hub2
  Cluster transport junction:      hub0
  Cluster transport junction:      hub2