3 nodes connected in a circular topology with two links interconnecting
the devices.
+3_NODE_SINGLE_LINK_TOPO
+ 3 nodes connected in a circular topoloty with at least one link
+ interconnecting devices.
+
Objective TAGs
--------------
Environment TAGs
----------------
+
+HW_ENV
+ DUTs and TGs are running on bare metal.
+
+VM_ENV
+ DUTs and TGs are running in virtual environment.
+
+VPP_VM_ENV
+ DUTs with VPP and capable of running Virtual Machine.