Hi Danielle
Apologize. I let you know on the date is wrong which the date is true on 6/5/2015.
But the case was Backplane failed for node 1 not about with Traffic drop because the Netscaler not yet downgrade into firmware version 10.1 build 122.
Which the traffic drop period during at time 02.00 AM - 06.00 AM on date 6/5/2015.
The problem need to urgently because after the upgrade to affect a number of client . The CEO of the customer want to know the cause of the problem.