diff --git a/roles/teuthology/templates/teuthology.yaml b/roles/teuthology/templates/teuthology.yaml
index 8fedf206..24cb54e0 100644
--- a/roles/teuthology/templates/teuthology.yaml
+++ b/roles/teuthology/templates/teuthology.yaml
@@ -14,3 +14,7 @@ archive_base: {{ archive_base }}
 ceph_git_base_url: {{ teuthology_ceph_git_base_url }}
 queue_host: localhost
 queue_port: 11300
+# for virtual ips (vip task)
+vip:
+  - machine_subnet: 172.21.0.0/20
+    virtual_subnet: 10.0.0.0/16