diff --git a/environments/cinder-pure-config.yaml b/environments/cinder-pure-config.yaml
index 00c9b0860a..52622eb071 100644
--- a/environments/cinder-pure-config.yaml
+++ b/environments/cinder-pure-config.yaml
@@ -17,7 +17,7 @@ parameter_defaults:
   CinderPureImageCache: true
   CinderPureHostPersonality: ''
   CinderPureEradicateOnDelete: false
-  CinderPureIscsiCidr: ''
+  CinderPureIscsiCidr: '0.0.0.0/0'
 
 # To configure multiple Pure backends, use CinderPureMultiConfig to
 # assign parameter values specific to that backend. For example: