This optional parameter allows you to specify the routing types of the
 nodes from which to collect information.

     ROUTING_TYPE = ALL             Routers and end systems
     ROUTING_TYPE = ROUTERS         Only Level 1 and Level 2 routers
     ROUTING_TYPE = L1_ROUTERS      Only Level 1 routers
     ROUTING_TYPE = L2_ROUTERS      Only Level 2 routers

 If this parameter is not specified, the default is "ALL".

 Example:  COLLECT CONFIG_01_23_90.DAT ROUTING_TYPE=L2