diff --git a/xos/configurations/cord/README.md b/xos/configurations/cord/README.md
index e2ec3d2..d7fcbb7 100644
--- a/xos/configurations/cord/README.md
+++ b/xos/configurations/cord/README.md
@@ -154,3 +154,9 @@
    Private IP - Public IP
    10.0.1.3 - 10.254.0.129
 ```
+
+## Troubleshooting
+
+#### Problem: No external connectivity from vCPE container
+1. Make sure the hosts listed in `virtualbng.json` are the actual compute nodes used in your experiment.
+2. Try rebooting the ONOS container: `$ ssh ubuntu@onos-vbng "sudo docker restart ONOS"`