diff --git a/jobs/cf-redis-broker/spec b/jobs/cf-redis-broker/spec
index 15c5d86..c87ac2e 100644
--- a/jobs/cf-redis-broker/spec
+++ b/jobs/cf-redis-broker/spec
@@ -141,6 +141,12 @@ properties:
   redis.broker.start_redis_timeout:
     description: Maximum wait time in seconds for Redis to start up
     default: 600
+  redis.broker.shared_max_port:
+    description: The preferred upper port range to allocate for shared instances (e.g. "40000"). If no free port is available within the preferred range, the service instance creation request will fail. 
+    default: 65535    
+  redis.broker.shared_min_port:
+    description: The preferred lower port range to allocate for shared instances (e.g. "30000"). If no free port is available within this range, the service instance creation request will fail.
+    default: 1024
   redis.broker.service_instance_limit:
     description: The maximum number of instances allowed
   redis.broker.auth.username:
diff --git a/jobs/cf-redis-broker/templates/broker.yml.erb b/jobs/cf-redis-broker/templates/broker.yml.erb
index d1781c7..deda4d0 100644
--- a/jobs/cf-redis-broker/templates/broker.yml.erb
+++ b/jobs/cf-redis-broker/templates/broker.yml.erb
@@ -29,6 +29,8 @@ redis:
   process_check_interval: <%= p('redis.broker.process_check_interval') %>
   start_redis_timeout: <%= p('redis.broker.start_redis_timeout') %>
   service_instance_limit: <%= p('redis.broker.service_instance_limit') %>
+  shared_min_port:  <%= p('redis.broker.shared_min_port') %>
+  shared_max_port:  <%= p('redis.broker.shared_max_port') %>
   provider_display_name: <%= p('redis.broker.provider_display_name') %>
   documentation_url: <%= p('redis.broker.documentation_url') %>
   support_url: <%= p('redis.broker.support_url') %>
diff --git a/src/cf-redis-broker b/src/cf-redis-broker
index e947ac9..39bcfb6 160000
--- a/src/cf-redis-broker
+++ b/src/cf-redis-broker
@@ -1 +1 @@
-Subproject commit e947ac9cfb9e69e273019a65a51d82da08d0eeb1
+Subproject commit 39bcfb6b54c5b7f44d4edfe14e89106cb0e7e811
diff --git a/templates/sample_stubs/meta-openstack.yml b/templates/sample_stubs/meta-openstack.yml
index b209e4c..c88622b 100644
--- a/templates/sample_stubs/meta-openstack.yml
+++ b/templates/sample_stubs/meta-openstack.yml
@@ -35,6 +35,8 @@ meta:
       service_id: 7aba7e52-f61b-4263-9de1-14e9d11fb67d
       shared_vm_plan_id: 78bf886c-bc50-4f31-a03c-cb786a158286
       dedicated_vm_plan_id: 48b35349-d3de-4e19-bc4a-66996ae07766
+      shared_max_port: 40005
+      shared_min_port: 40000
     dedicated_plan:
       instance_count: 3
     shared_plan: