ipv4/ipv6 w/t dhcp support and routers.

Introducing ipv4/ipv6 with dhcp support. Note here
that tests might fail from time to time, this needs further
investigation. Further, introducing external routing support
for ipv4.

Change-Id: I64450f4082e47b835ae2e967a98a36fe69a059c3
diff --git a/TestON/tests/USECASE/SegmentRouting/SRRouting/dependencies/SRRoutingTest.py b/TestON/tests/USECASE/SegmentRouting/SRRouting/dependencies/SRRoutingTest.py
index 0f0caac..b1c8ea1 100644
--- a/TestON/tests/USECASE/SegmentRouting/SRRouting/dependencies/SRRoutingTest.py
+++ b/TestON/tests/USECASE/SegmentRouting/SRRouting/dependencies/SRRoutingTest.py
@@ -67,7 +67,10 @@
             pass
 
         # wait some time for onos to install the rules!
-        time.sleep(15)
+        time.sleep(25)
+
+        if (dhcp):
+            time.sleep(60)
 
         # ping hosts
         run.pingAllBasedOnIp( main, 'CASE%02d' % test_idx )