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+*** Settings ***
+Documentation  Network interface and functionalities test module on BMC.
+
+Resource  ../lib/rest_client.robot
+Resource  ../lib/utils.robot
+Resource  ../lib/bmc_network_utils.robot
+
+Force Tags  Network_Test
+
+Library  String
+Library  SSHLibrary
+
+Test Setup  Test Init Setup
+
+*** Variables ***
+
+${alpha_ip}          xx.xx.xx.xx
+
+# 10.x.x.x series is a private IP address range and does not exist in
+# our network, so this is chosen to avoid IP conflict.
+
+${valid_ip}          10.6.6.6
+${valid_gateway}     10.6.6.1
+${valid_prefix_len}  ${24}
+${broadcast_ip}      10.6.6.255
+${loopback_ip}       127.0.0.1
+${multicast_ip}      224.6.6.255
+${out_of_range_ip}   10.6.6.256
+
+# There will be 4 octets in IP address (e.g. xx.xx.xx.xx)
+# but trying to configure xx.xx.xx
+
+${less_octet_ip}     10.3.36
+
+# For the address 10.6.6.6, the 10.6.6.0 portion describes the
+# network ID and the 6 describe the host.
+
+${network_id}        10.6.6.0
+${hex_ip}            0xa.0xb.0xc.0xd
+${negative_ip}       10.-6.-6.6
+
+*** Test Cases ***
+
+Get BMC IPv4 Address And Verify
+    [Documentation]  Get BMC IPv4 address and verify.
+    [Tags]  Get_BMC_IPv4_Address_And_Verify
+
+    :FOR  ${ipv4_uri}  IN  @{IPv4_URI_List}
+    \  ${ipv4_addr}=  Read Attribute  ${ipv4_uri}  Address
+    \  Validate IP on BMC  ${ipv4_addr}
+
+Verify IPv4 Prefix Length
+    [Documentation]  Get prefix length and verify.
+    [Tags]  Verify_IPv4_Prefix_Length
+
+    :FOR  ${ipv4_uri}  IN  @{IPv4_URI_List}
+    \  ${prefix_length}=  Read Attribute  ${ipv4_uri}  PrefixLength
+    \  Validate Prefix Length On BMC  ${prefix_length}
+
+Verify Gateway Address
+    [Documentation]  Get gateway address and verify.
+    [Tags]  Verify_Gateway_Address
+
+    :FOR  ${ipv4_uri}  IN  @{IPv4_URI_List}
+    \  ${gateway_ip}=  Read Attribute  ${ipv4_uri}  Gateway
+    \  Validate Route On BMC  ${gateway_ip}
+
+Verify MAC Address
+    [Documentation]  Get MAC address and verify.
+    [Tags]  Verify_MAC_Address
+    ${macaddr}=  Read Attribute  ${XYZ_NETWORK_MANAGER}/eth0  MACAddress
+    Validate MAC On BMC  ${macaddr}
+
+Add New Valid IP And Verify
+    [Documentation]  Add new IP address and verify.
+    [Tags]  Add_New_Valid_IP_And_Verify
+
+    Configure Network Settings  ${valid_ip}  ${valid_prefix_len}
+    ...  ${valid_gateway}  valid
+
+    # Verify whether new IP object is created for the given IP via REST.
+    # Delete IP address and IP object after verification.
+    Verify IP Address Via REST And Delete  ${valid_ip}
+
+Configure Invalid IP String
+    # IP Address  Prefix_length        Gateway_IP        Expected_Result
+    ${alpha_ip}   ${valid_prefix_len}  ${valid_gateway}  error
+
+    [Documentation]  Configure invalid IP address which is a string.
+    [Tags]  Configure_Invalid_IP_String
+
+    [Template]  Configure Network Settings
+
+Configure Out Of Range IP
+    # IP Address        Prefix_length        Gateway_IP        Expected_Result
+    ${out_of_range_ip}  ${valid_prefix_len}  ${valid_gateway}  error
+
+    [Documentation]  Configure out-of-range IP address.
+    [Tags]  Configure_Out_Of_Range_IP
+
+    [Template]  Configure Network Settings
+
+Configure Broadcast IP
+    # IP Address     Prefix_length        Gateway_IP        Expected_Result
+    ${broadcast_ip}  ${valid_prefix_len}  ${valid_gateway}  error
+
+    [Documentation]  Configure broadcast IP address.
+    [Tags]  Configure_Broadcast_IP
+
+    [Template]  Configure Network Settings
+
+Configure Multicast IP
+    # IP Address     Prefix_length        Gateway_IP        Expected_Result
+    ${multicast_ip}  ${valid_prefix_len}  ${valid_gateway}  error
+
+    [Documentation]  Configure multicast IP address.
+    [Tags]  Configure_Multicast_IP
+
+    [Template]  Configure Network Settings
+
+Configure Loopback IP
+    # IP Address    Prefix_length        Gateway_IP        Expected_Result
+    ${loopback_ip}  ${valid_prefix_len}  ${valid_gateway}  error
+
+    [Documentation]  Configure loopback IP address.
+    [Tags]  Configure_Loopback_IP
+
+    [Template]  Configure Network Settings
+
+Configure Network ID
+    # IP Address   Prefix_length        Gateway_IP        Expected_Result
+    ${network_id}  ${valid_prefix_len}  ${valid_gateway}  error
+
+    [Documentation]  Configure network ID IP address.
+    [Tags]  Configure_Network_ID
+
+    [Template]  Configure Network Settings
+
+Configure Less Octet IP
+    # IP Address      Prefix_length        Gateway_IP        Expected_Result
+    ${less_octet_ip}  ${valid_prefix_len}  ${valid_gateway}  error
+
+    [Documentation]  Configure less octet IP address.
+    [Tags]  Configure_Less_Octet_IP
+
+    [Template]  Configure Network Settings
+
+Configure Empty IP
+    # IP Address   Prefix_length        Gateway_IP        Expected_Result
+    ${EMPTY}       ${valid_prefix_len}  ${valid_gateway}  error
+
+    [Documentation]  Configure less octet IP address.
+    [Tags]  Configure_Empty_IP
+
+    [Template]  Configure Network Settings
+
+Configure Special Char IP
+    # IP Address     Prefix_length         Gateway_IP        Expected_Result
+    @@@.%%.44.11     ${valid_prefix_len}   ${valid_gateway}  error
+
+    [Documentation]  Configure invalid IP address contaning special chars.
+    [Tags]  Configure_Special_Char_IP
+
+    [Template]  Configure Network Settings
+
+Configure Hexadecimal IP
+    # IP Address  Prefix_length        Gateway_IP        Expected_Result
+    ${hex_ip}     ${valid_prefix_len}  ${valid_gateway}  error
+
+    [Documentation]  Configure invalid IP address contaning hex value.
+    [Tags]  Configure_Hexadecimal_IP
+
+    [Template]  Configure Network Settings
+
+Configure Negative Octet IP
+    # IP Address    Prefix_length        Gateway_IP        Expected_Result
+    ${negative_ip}  ${valid_prefix_len}  ${valid_gateway}  error
+
+    [Documentation]  Configure invalid IP address containing negative octet.
+    [Tags]  Configure_Negative_Octet_IP
+
+    [Template]  Configure Network Settings
+
+Add New Valid IP With Blank Gateway
+    [Documentation]  Add new IP with blank gateway.
+    [Tags]  Add_New_Valid_IP_With_Blank_Gateway
+
+    Configure Network Settings  ${valid_ip}  ${valid_prefix_len}  ${EMPTY}
+    ...  valid
+
+    # Verify whether new IP object is created for the given IP via REST.
+    # Delete IP address and IP object after verification.
+    Verify IP Address Via REST And Delete  ${valid_ip}
+
+Configure Invalid Gateway String
+    # IP Address  Prefix_length        Gateway_IP   Expected_Result
+    ${valid_ip}   ${valid_prefix_len}  ${alpha_ip}  error
+
+    [Documentation]  Configure invalid IP address to a gateway which is
+    ...  an alpha string and expect an error.
+    [Tags]  Configure_Invalid_Gateway_String
+
+    [Template]  Configure Network Settings
+
+Configure Out Of Range IP For Gateway
+    # IP Address  Prefix_length        Gateway_IP          Expected_Result
+    ${valid_ip}   ${valid_prefix_len}  ${out_of_range_ip}  error
+
+    [Documentation]  Configure out-of-range IP for gateway and expect an error.
+    [Tags]  Configure_Out_Of_Range_IP_For_Gateway
+
+    [Template]  Configure Network Settings
+
+Configure Broadcast IP For Gateway
+    # IP Address  Prefix_length        Gateway_IP       Expected_Result
+    ${valid_ip}   ${valid_prefix_len}  ${broadcast_ip}  error
+
+    [Documentation]  Configure broadcast IP for gateway and expect an error.
+    [Tags]  Configure_Broadcast_IP_For_Gateway
+
+    [Template]  Configure Network Settings
+
+Configure Loopback IP For Gateway
+    # IP Address  Prefix_length        Gateway_IP      Expected_Result
+    ${valid_ip}   ${valid_prefix_len}  ${loopback_ip}  error
+
+    [Documentation]  Configure loopback IP for gateway and expect an error.
+    [Tags]  Configure_Loopback_IP_For_Gateway
+
+    [Template]  Configure Network Settings
+
+Configure Multicast IP For Gateway
+    # IP Address  Prefix_length        Gateway_IP       Expected_Result
+    ${valid_ip}   ${valid_prefix_len}  ${multicast_ip}  error
+
+    [Documentation]  Configure multicast IP for gateway and expect an error.
+    [Tags]  Configure_Multicast_IP_For_Gateway
+
+    [Template]  Configure Network Settings
+
+Configure Network ID For Gateway
+    # IP Address  Prefix_length        Gateway_IP     Expected_Result
+    ${valid_ip}   ${valid_prefix_len}  ${network_id}  error
+
+    [Documentation]  Configure network ID for gateway and expect an error.
+    [Tags]  Configure_Network_ID_For_Gateway
+
+    [Template]  Configure Network Settings
+
+Configure Less Octet IP For Gateway
+    # IP Address  Prefix_length        Gateway_IP        Expected_Result
+    ${valid_ip}   ${valid_prefix_len}  ${less_octet_ip}  error
+
+    [Documentation]  Configure less octet IP for gateway and expect an error.
+    [Tags]  Configure_Less_Octet_IP_For_Gateway
+
+    [Template]  Configure Network Settings
+
+Configure Special Char IP For Gateway
+    # IP Address  Prefix_length        Gateway_IP    Expected_Result
+    ${valid_ip}   ${valid_prefix_len}  @@@.%%.44.11  error
+
+    [Documentation]  Configure special char IP for gateway and expect an error.
+    [Tags]  Configure_Special_Char_IP_For_Gateway
+
+    [Template]  Configure Network Settings
+
+Configure Hexadecimal IP For Gateway
+    # IP Address  Prefix_length        Gateway_IP  Expected_Result
+    ${valid_ip}   ${valid_prefix_len}  ${hex_ip}   error
+
+    [Documentation]  Configure hexadecimal IP for gateway and expect an error.
+    [Tags]  Configure_Hexadecimal_IP_For_Gateway
+
+    [Template]  Configure Network Settings
+
+Configure Out Of Range Prefix Length
+    # IP Address  Prefix_length  Gateway_IP  Expected_Result
+    ${valid_ip}   33             ${hex_ip}   error
+
+    [Documentation]  Configure out-of-range prefix length and expect an error.
+    [Tags]  Configure_Out_Of_Range_Prefix_Length
+
+    [Template]  Configure Network Settings
+
+Configure Negative Value For Prefix Length
+    # IP Address  Prefix_length  Gateway_IP  Expected_Result
+    ${valid_ip}   -10            ${hex_ip}   error
+
+    [Documentation]  Configure negative prefix length and expect an error.
+    [Tags]  Configure_Negative_Value_For_Prefix_Length
+
+    [Template]  Configure Network Settings
+
+Configure Non Numeric Value For Prefix Length
+    # IP Address  Prefix_length  Gateway_IP  Expected_Result
+    ${valid_ip}   xx             ${hex_ip}   error
+
+    [Documentation]  Configure non numeric  value prefix length and expect
+    ...  an error.
+    [Tags]  Configure_String_Value_For_Prefix_Length
+
+    [Template]  Configure Network Settings
+
+Add Fourth Octet Threshold IP And Verify
+    [Documentation]  Add fourth octet threshold IP and verify.
+    [Tags]  Add_Fourth_Octet_Threshold_IP_And_Verify
+
+    Configure Network Settings  10.6.6.254  ${valid_prefix_len}
+    ...  ${valid_gateway}  valid
+
+    # Verify whether new IP object is created for the given IP via REST.
+    # Delete IP address and IP object after verification.
+
+    Verify IP Address Via REST And Delete  10.6.6.254
+
+Add Third Octet Threshold IP And Verify
+    [Documentation]  Add third octet threshold IP and verify.
+    [Tags]  Add_Third_Octet_Threshold_IP_And_Verify
+
+    Configure Network Settings  10.6.255.6  ${valid_prefix_len}
+    ...  ${valid_gateway}  valid
+
+    # Verify whether new IP object is created for the given IP via REST.
+    # Delete IP address and IP object after verification.
+
+    Verify IP Address Via REST And Delete  10.6.255.6
+
+Add Second Octet Threshold IP And Verify
+    [Documentation]  Add second octet threshold IP and verify.
+    [Tags]  Add_Second_Octet_Threshold_IP_And_Verify
+
+    Configure Network Settings  10.255.6.6  ${valid_prefix_len}
+    ...  ${valid_gateway}  valid
+
+    # Verify whether new IP object is created for the given IP via REST.
+    # Delete IP address and IP object after verification.
+
+    Verify IP Address Via REST And Delete  10.255.6.6
+
+Add First Octet Threshold IP And Verify
+    [Documentation]  Add first octet threshold IP and verify.
+    [Tags]  Add_First_Octet_Threshold_IP_And_Verify
+
+    Configure Network Settings  223.6.6.6  ${valid_prefix_len}
+    ...  ${valid_gateway}  valid
+
+    # Verify whether new IP object is created for the given IP via REST.
+    # Delete IP address and IP object after verification.
+
+    Verify IP Address Via REST And Delete  223.6.6.6
+
+Configure Lowest Prefix Length
+    [Documentation]  Configure lowest prefix length.
+    [Tags]  Configure_Lowest_Prefix_Length
+
+    Configure Network Settings  ${valid_ip}  ${0}
+    ...  ${valid_gateway}  valid
+
+    # Verify whether new IP object is created for the given IP via REST.
+    # Delete IP address and IP object after verification.
+    Verify IP Address Via REST And Delete  ${valid_ip}
+
+Configure Threshold Prefix Length
+    [Documentation]  Configure threshold prefix length.
+    [Tags]  Configure_Threshold_Prefix_Length
+
+    Configure Network Settings  ${valid_ip}  ${32}
+    ...  ${valid_gateway}  valid
+
+    # Verify whether new IP object is created for the given IP via REST.
+    # Delete IP address and IP object after verification.
+    Verify IP Address Via REST And Delete  ${valid_ip}
+
+Verify Default Gateway
+    [Documentation]  Verify default gateway.
+    [Tags]  Verify that the default gateway has a valid route.
+
+    ${default_gw}=  Read Attribute  ${XYZ_NETWORK_MANAGER}/config
+    ...  DefaultGateway
+    Validate Route On BMC  ${default_gw}
+
+Verify Hostname
+    [Documentation]  Verify that the hostname read via REST is the same as the
+    ...  hostname configured on system.
+    [Tags]  Verify_Hostname
+
+    ${hostname}=  Read Attribute  ${XYZ_NETWORK_MANAGER}/config  HostName
+    Validate Hostname On BMC  ${hostname}
+
+*** Keywords ***
+
+Test Init Setup
+    [Documentation]  Network setup.
+    Open Connection And Login
+
+    @{IPv4_URI_List}=  Get IPv4 URI List
+    Set Test Variable  @{IPv4_URI_List}
+
+    # Get BMC IP address and prefix length.
+    ${ip_data}=  Get BMC IP Info
+    Set Test Variable  ${ip_data}
+
+Get IPv4 URI List
+    [Documentation]  Get all IPv4 URIs.
+
+    # Sample output:
+    #   "data": [
+    #     "/xyz/openbmc_project/network/eth0/ipv4/e9767624",
+    #     "/xyz/openbmc_project/network/eth0/ipv4/31f4ce8b"
+    #   ],
+
+    @{ipv4_uri_list}=  Read Properties  ${XYZ_NETWORK_MANAGER}/eth0/ipv4/
+    Should Not Be Empty  ${ipv4_uri_list}  msg=IPv4 URI list is empty.
+
+    [Return]  @{ipv4_uri_list}
+
+Validate IP On BMC
+    [Documentation]  Validate IP on BMC.
+    [Arguments]  ${ip_address}  ${ip_info}=${ip_data}
+
+    # Description of argument(s):
+    # ip_address  IP address of the system.
+    # ip_info     List of IP address and prefix length values.
+
+    Should Contain Match  ${ip_info}  ${ip_address}*
+    ...  msg=IP address does not exist.
+
+Verify IP Address Via REST And Delete
+    [Documentation]  Verify IP address via REST and delete.
+    [Arguments]  ${ip_addr}
+
+    # Description of argument(s):
+    # ip_addr      IP address to be verified.
+
+    @{ip_uri_list}=  Get IPv4 URI List
+    @{ip_list}=  Get List Of IP Address Via REST  @{ip_uri_list}
+
+    List Should Contain Value  ${ip_list}  ${ip_addr}
+    ...  msg=IP address is not configured.
+
+    # If IP address is configured, delete it.
+    Delete IP And Object  ${ip_addr}  @{ip_uri_list}
+
+Validate Prefix Length On BMC
+    [Documentation]  Validate prefix length on BMC.
+    [Arguments]  ${prefix_length}
+
+    # Description of argument(s):
+    # prefix_length    It indicates netmask, netmask value 255.255.255.0
+    #                  is equal to prefix length 24.
+    # ip_data          Suite variable which has list of IP address and
+    #                  prefix length values.
+
+    Should Contain Match  ${ip_data}  */${prefix_length}
+    ...  msg=Prefix length does not exist.
+
+Validate Route On BMC
+    [Documentation]  Validate route.
+    [Arguments]  ${gateway_ip}
+
+    # Description of argument(s):
+    # gateway_ip  Gateway IP address.
+
+    ${route_info}=  Get BMC Route Info
+    Should Contain  ${route_info}  ${gateway_ip}
+    ...  msg=Gateway IP address not matching.
+
+Validate MAC on BMC
+    [Documentation]  Validate MAC on BMC.
+    [Arguments]  ${macaddr}
+
+    # Description of argument(s):
+    # macaddr  MAC address of the BMC.
+
+    ${system_mac}=  Get BMC MAC Address
+
+    Should Contain  ${system_mac}  ${macaddr}
+    ...  ignore_case=True  msg=MAC address does not exist.
+
+Configure Network Settings
+    [Documentation]  Configure network settings.
+    [Arguments]  ${ip_addr}  ${prefix_len}  ${gateway_ip}  ${expected_result}
+
+    # Description of argument(s):
+    # ip_addr          IP address of BMC.
+    # prefix_len       Prefix length.
+    # gateway_ip       Gateway IP address.
+    # expected_result  Expected status of network setting configuration.
+
+    @{ip_parm_list}=  Create List  xyz.openbmc_project.Network.IP.Protocol.IPv4
+    ...  ${ip_addr}  ${prefix_len}  ${gateway_ip}
+
+    ${data}=  Create Dictionary  data=@{ip_parm_list}
+
+    Run Keyword And Ignore Error  OpenBMC Post Request
+    ...  ${XYZ_NETWORK_MANAGER}/eth0/action/IP  data=${data}
+
+    # After any modification on network interface, BMC restarts network
+    # module, wait until it is reachable.
+
+    Wait For Host To Ping  ${OPENBMC_HOST}  0.3  1
+
+    # Verify whether new IP address is populated on BMC system.
+    # It should not allow to configure invalid settings.
+
+    ${ip_data}=  Get BMC IP Info
+    ${status}=  Run Keyword And Return Status
+    ...  Validate IP On BMC  ${ip_addr}  ${ip_data}
+
+    Run Keyword If  '${expected_result}' == 'error'
+    ...      Should Be Equal  ${status}  ${False}
+    ...      msg=Allowing the configuration of an invalid IP.
+    ...  ELSE
+    ...      Should Be Equal  ${status}  ${True}
+    ...      msg=Not allowing the configuration of a valid IP.
+
+Validate Hostname On BMC
+    [Documentation]  Verify that the hostname read via REST is the same as the
+    ...  hostname configured on system.
+    [Arguments]  ${hostname}
+
+    # Description of argument(s):
+    # hostname  A hostname value which is to be compared to the hostname
+    #           configured on system.
+
+    ${sys_hostname}=  Get BMC Hostname
+
+    Should Contain  ${sys_hostname}  ${hostname}
+    ...  ignore_case=True  msg=Hostname does not exist.