Added comments about running locally
diff --git a/tests/oft b/tests/oft
index 1faa8a1..b6a3a24 100755
--- a/tests/oft
+++ b/tests/oft
@@ -56,6 +56,19 @@
an oft configuration dictionary and returns a unittest.TestSuite object.
Future test sets should do the same thing.
+Default setup:
+
+The default setup runs locally using veth pairs. To exercise this,
+checkout and build an openflow userspace datapath. Then start it on
+the local host:
+ sudo ~/openflow/regress/bin/veth_setup.pl
+ sudo ofdatapath -i veth0,veth2,veth4,veth6 punix:/tmp/ofd &
+ sudo ofprotocol unix:/tmp/ofd tcp:127.0.0.1 --fail=closed --max-backoff=1 &
+
+Next, run oft:
+ sudo ./oft --debug=info
+
+Examine oft.log if things don't work.
"""
import sys