code: def get_all_switch_ips(self):
          
  
          switch_connections = []
          try:
              bindings = nxos_db.get_reserved_switch_binding()
          except excep.NexusPortBindingNotFound:
              LOG.error("No switch bindings in the port data base")
              bindings = []
          for switch in bindings:
              switch_connections.append(switch.switch_ip)
  
          return switch_connections
docs: Using reserved switch binding get all switch ips.