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/SRRouting.py b/TestON/tests/USECASE/SegmentRouting/SRRouting/SRRouting.py
index b3d61f3..c24ca81 100644
--- a/TestON/tests/USECASE/SegmentRouting/SRRouting/SRRouting.py
+++ b/TestON/tests/USECASE/SegmentRouting/SRRouting/SRRouting.py
@@ -13,7 +13,7 @@
         SRRoutingTest.runTest( main,
                                 test_idx = 1,
                                 onosNodes = 3,
-                                dhcp=0,
+                                dhcp=1,
                                 routers=0,
                                 ipv4=1,
                                 ipv6=0,
@@ -29,7 +29,7 @@
         SRRoutingTest.runTest( main,
                                 test_idx = 2,
                                 onosNodes = 3,
-                                dhcp=0,
+                                dhcp=1,
                                 routers=0,
                                 ipv4=0,
                                 ipv6=1,