diff --git a/security/test_bmc_connections.robot b/security/test_bmc_connections.robot
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+*** Settings ***
+Documentation  Connections and authentication module stability tests.
+
+Resource  ../lib/bmc_redfish_resource.robot
+Resource  ../lib/bmc_network_utils.robot
+Resource  ../lib/openbmc_ffdc.robot
+Library   ../lib/bmc_network_utils.py
+
+Library   OperatingSystem
+Library   Collections
+
+*** Variables ***
+
+${iterations}  10000
+${hostname}    test_hostname
+
+*** Test Cases ***
+
+Test Patch Without Auth Token Fails
+    [Documentation]  Send patch method without auth token and verify it throws an error.
+    [Tags]   Test Patch Without Auth Token Fails
+
+    Redfish.Patch  ${REDFISH_NW_PROTOCOL_URI}  body={'HostName': '${hostname}'}
+    ...  valid_status_codes=[${HTTP_UNAUTHORIZED}, ${HTTP_FORBIDDEN}]
+
+
+Flood Patch Without Auth Token And Check Stability Of BMC
+    [Documentation]  Flood patch method without auth token and check BMC stability.
+    [Tags]  Flood_Patch_Without_Auth_Token_And_Check_Stability_Of_BMC
+    @{status_list}=  Create List
+
+    FOR  ${i}  IN RANGE  ${1}  ${iterations}
+        Log To Console  ${i}th iteration
+        Run Keyword And Ignore Error
+        ...  Redfish.Patch  ${REDFISH_NW_PROTOCOL_URI}  body={'HostName': '${hostname}'}
+
+        # Every 100th iteration, check BMC allows patch with auth token.
+        ${status}=  Run Keyword If  ${i} % 100 == 0  Run Keyword And Return Status
+        ...  Login And Configure Hostname
+        Run Keyword If  ${status} == False  Append To List  ${status_list}  ${status}
+    END
+    ${verify_count}=  Evaluate  ${iterations}/100
+    ${fail_count}=  Get Length  ${status_list}
+
+    Should Be Equal  ${fail_count}  0  msg=Patch operation failed ${fail_count} times in ${verify_count} attempts
+
+
+*** Keywords ***
+
+Login And Configure Hostname
+    [Documentation]  Login and configure hostname
+
+    [Teardown]  Redfish.Logout
+
+    Redfish.Login
+
+    Redfish.patch  ${REDFISH_NW_PROTOCOL_URI}  body={'HostName': '${hostname}'}
+    ...  valid_status_codes=[${HTTP_OK}, ${HTTP_NO_CONTENT}]
+