tree e9f9737b12ac6e8df4a5a07328ac569b2954c7d9
parent 6e758fbcd66f0072c3be83b0e9607465909e07f7
author YPZhang <yunpeng@onlab.us> 1469550843 -0700
committer YPZhang <yunpeng@onlab.us> 1470785466 -0700

Improve SCPFscaleTopo test
    - Disabled fwd app
    - Use arping to discover host
    - Now it will scale from 20x20 to 45x45
    - Disabled bring down node

Change-Id: Ic4c63c1a4d3c7cbacf02e7464560247dc87321d6