Added Config multiple DNS servers and verify

Change-Id: I277bd5e84726867b8c9ebb13cb8a2f609d538d57
Signed-off-by: Anves Kumar rayankula <anvesr77@in.ibm.com>
Signed-off-by: anvesr77 <anvesr77@in.ibm.com>
diff --git a/redfish/managers/test_bmc_network_conf.robot b/redfish/managers/test_bmc_network_conf.robot
index d8228f8..7a650d8 100644
--- a/redfish/managers/test_bmc_network_conf.robot
+++ b/redfish/managers/test_bmc_network_conf.robot
@@ -576,6 +576,21 @@
     Verify IP On BMC  ${test_ipv4_addr2}
 
 
+Config Multiple DNS Servers And Check Persistency
+    [Documentation]  Config multiple DNS and check persistency.
+    [Tags]  Config_Multiple_DNS_Servers_And_Check_Persistency
+    [Setup]  DNS Test Setup Execution
+    [Teardown]  Run Keywords
+    ...  Configure Static Name Servers  AND  Test Teardown Execution
+
+    @{list_name_servers}=  Create List  10.5.5.10  10.20.5.10  10.5.6.7
+    Configure Static Name Servers  ${list_name_servers}
+
+    # Reboot BMC and verify persistency.
+    OBMC Reboot (off)
+    Redfish.Login
+    Verify CLI and Redfish Nameservers
+
 *** Keywords ***
 
 Test Setup Execution