diff --git a/tempest/api/compute/security_groups/test_security_group_rules.py b/tempest/api/compute/security_groups/test_security_group_rules.py
index b28124c..901c377 100644
--- a/tempest/api/compute/security_groups/test_security_group_rules.py
+++ b/tempest/api/compute/security_groups/test_security_group_rules.py
@@ -28,6 +28,13 @@
         cls.client = cls.security_groups_client
         cls.neutron_available = CONF.service_available.neutron
 
+    @classmethod
+    def setUpClass(self):
+        super(SecurityGroupRulesTestJSON, self).setUpClass()
+        self.ip_protocol = 'tcp'
+        self.from_port = 22
+        self.to_port = 22
+
     @test.attr(type='smoke')
     @test.services('network')
     def test_security_group_rules_create(self):
@@ -37,14 +44,11 @@
         resp, security_group = self.create_security_group()
         securitygroup_id = security_group['id']
         # Adding rules to the created Security Group
-        ip_protocol = 'tcp'
-        from_port = 22
-        to_port = 22
         resp, rule = \
             self.client.create_security_group_rule(securitygroup_id,
-                                                   ip_protocol,
-                                                   from_port,
-                                                   to_port)
+                                                   self.ip_protocol,
+                                                   self.from_port,
+                                                   self.to_port)
         self.addCleanup(self.client.delete_security_group_rule, rule['id'])
         self.assertEqual(200, resp.status)
 
@@ -65,16 +69,13 @@
         secgroup2 = security_group['id']
         # Adding rules to the created Security Group with optional arguments
         parent_group_id = secgroup1
-        ip_protocol = 'tcp'
-        from_port = 22
-        to_port = 22
         cidr = '10.2.3.124/24'
         group_id = secgroup2
         resp, rule = \
             self.client.create_security_group_rule(parent_group_id,
-                                                   ip_protocol,
-                                                   from_port,
-                                                   to_port,
+                                                   self.ip_protocol,
+                                                   self.from_port,
+                                                   self.to_port,
                                                    cidr=cidr,
                                                    group_id=group_id)
         self.assertEqual(200, resp.status)
@@ -89,13 +90,11 @@
         securitygroup_id = security_group['id']
 
         # Add a first rule to the created Security Group
-        ip_protocol1 = 'tcp'
-        from_port1 = 22
-        to_port1 = 22
         resp, rule = \
             self.client.create_security_group_rule(securitygroup_id,
-                                                   ip_protocol1,
-                                                   from_port1, to_port1)
+                                                   self.ip_protocol,
+                                                   self.from_port,
+                                                   self.to_port)
         rule1_id = rule['id']
 
         # Add a second rule to the created Security Group
@@ -127,14 +126,11 @@
         resp, security_group = self.create_security_group()
         sg2_id = security_group['id']
         # Adding rules to the Group1
-        ip_protocol = 'tcp'
-        from_port = 22
-        to_port = 22
         resp, rule = \
             self.client.create_security_group_rule(sg1_id,
-                                                   ip_protocol,
-                                                   from_port,
-                                                   to_port,
+                                                   self.ip_protocol,
+                                                   self.from_port,
+                                                   self.to_port,
                                                    group_id=sg2_id)
 
         self.assertEqual(200, resp.status)