Removing unnecessary references
diff --git a/openstack/networking/v2/extensions/external/requests.go b/openstack/networking/v2/extensions/external/requests.go
index 0d20bb1..a29c2fa 100644
--- a/openstack/networking/v2/extensions/external/requests.go
+++ b/openstack/networking/v2/extensions/external/requests.go
@@ -2,6 +2,18 @@
 
 import "github.com/rackspace/gophercloud/openstack/networking/v2/networks"
 
+type AdminState *bool
+
+// Convenience vars for AdminStateUp values.
+var (
+	iTrue  = true
+	iFalse = false
+
+	Nothing AdminState = nil
+	Up      AdminState = &iTrue
+	Down    AdminState = &iFalse
+)
+
 type CreateOpts struct {
 	Parent   networks.CreateOpts
 	External bool
diff --git a/openstack/networking/v2/extensions/external/results_test.go b/openstack/networking/v2/extensions/external/results_test.go
index 9831d8b..2064433 100644
--- a/openstack/networking/v2/extensions/external/results_test.go
+++ b/openstack/networking/v2/extensions/external/results_test.go
@@ -182,8 +182,7 @@
 		`)
 	})
 
-	iTrue := true
-	options := CreateOpts{networks.CreateOpts{Name: "ext_net", AdminStateUp: &iTrue}, true}
+	options := CreateOpts{networks.CreateOpts{Name: "ext_net", AdminStateUp: Up}, true}
 	res := networks.Create(serviceClient(), options)
 
 	n, err := ExtractCreate(res)
diff --git a/openstack/networking/v2/extensions/provider/results.go b/openstack/networking/v2/extensions/provider/results.go
index 11b0604..96caac1 100755
--- a/openstack/networking/v2/extensions/provider/results.go
+++ b/openstack/networking/v2/extensions/provider/results.go
@@ -8,6 +8,18 @@
 	"github.com/rackspace/gophercloud/pagination"
 )
 
+type AdminState *bool
+
+// Convenience vars for AdminStateUp values.
+var (
+	iTrue  = true
+	iFalse = false
+
+	Nothing AdminState = nil
+	Up      AdminState = &iTrue
+	Down    AdminState = &iFalse
+)
+
 // NetworkExtAttrs represents an extended form of a Network with additional fields.
 type NetworkExtAttrs struct {
 	// UUID for the network
diff --git a/openstack/networking/v2/extensions/provider/results_test.go b/openstack/networking/v2/extensions/provider/results_test.go
index 110123a..20b95c9 100644
--- a/openstack/networking/v2/extensions/provider/results_test.go
+++ b/openstack/networking/v2/extensions/provider/results_test.go
@@ -196,8 +196,7 @@
 		`)
 	})
 
-	iTrue := true
-	options := networks.CreateOpts{Name: "sample_network", AdminStateUp: &iTrue}
+	options := networks.CreateOpts{Name: "sample_network", AdminStateUp: Up}
 	res := networks.Create(serviceClient(), options)
 	n, err := ExtractCreate(res)