updates to system test guide

Change-Id: I36387d1dae248e9a9f7b964c782423c5ad792fed
diff --git a/docs/qa_testenv.md b/docs/qa_testenv.md
index 16462fb..9a6fbdc 100644
--- a/docs/qa_testenv.md
+++ b/docs/qa_testenv.md
@@ -14,6 +14,12 @@
 
 ![Test Beds](images/qa_testbed_diag.png)
 
+## Physical POD Topology
+
+Following diagram shows how the POD is configured for running system tests
+
+![QA Physical POD](images/flex-qa-pod.png)
+
 ## Jenkins Test Setup
 
 The following diagram shows how the test servers are interconnected