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+# Copyright (c) 2016 Cisco and/or its affiliates.
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at:
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+*** Settings ***
+| Library  | Collections
+| Resource | resources/libraries/robot/shared/default.robot
+| Library  | resources.libraries.python.Dhcp.DhcpClient
+| Library  | resources.libraries.python.TrafficScriptExecutor
+| Documentation | DHCP Client specific keywords.
+
+*** Keywords ***
+| Verify DHCP DISCOVER header
+| | [Documentation] | Check if DHCP DISCOVER message contains all required
+| | ... | fields.
+| | ...
+| | ... | *Arguments:*
+| | ... | - tg_node - TG node. Type: dictionary
+| | ... | - interface - TG interface where listen for DHCP DISCOVER message.
+| | ... |   Type: string
+| | ... | - src_mac - DHCP client MAC address. Type: string
+| | ... | - hostname - DHCP client hostname (Optional, Default="", if not
+| | ... |   specified, the hostname is not checked). Type: string
+| | ...
+| | ... | *Return:*
+| | ... | - No value returned.
+| | ...
+| | ... | *Example:*
+| | ...
+| | ... | \| Verify DHCP DISCOVER header \| ${nodes['TG']} \
+| | ... | \| eth2 \| 08:00:27:66:b8:57 \|
+| | ... | \| Verify DHCP DISCOVER header \| ${nodes['TG']} \
+| | ... | \| eth2 \| 08:00:27:66:b8:57 \| client-hostname \|
+| | ...
+| | [Arguments] | ${tg_node} | ${interface} | ${src_mac} | ${hostname}=${EMPTY}
+| | ${interface_name}= | Get interface name | ${tg_node} | ${interface}
+| | ${args}= | Catenate | --rx_if | ${interface_name} | --rx_src_mac | ${src_mac}
+| | ${args}= | Run Keyword If | "${hostname}" == "" | Set Variable | ${args}
+| | ...      | ELSE | Catenate | ${args} | --hostname | ${hostname}
+| | Run Traffic Script On Node | dhcp/check_dhcp_discover.py
+| | ... | ${tg_node} | ${args}
+
+
+| Verify DHCP REQUEST after OFFER
+| | [Documentation] | Check if DHCP REQUEST message contains all required
+| | ... | fields. DHCP REQUEST should be send by a client after DHCP OFFER
+| | ... | message sent by a server.
+| | ...
+| | ... | *Arguments:*
+| | ... | - tg_node - TG node. Type: dictionary
+| | ... | - tg_interface - TG interface where listen for DHCP DISCOVER,
+| | ... |   send DHCP OFFER and listen for DHCP REQUEST messages. Type: string
+| | ... | - server_mac - DHCP server MAC address. Type: string
+| | ... | - server_ip - DHCP server IP address. Type: string
+| | ... | - client_mac - DHCP client MAC address. Type: string
+| | ... | - client_ip - IP address that should be offered to client.
+| | ... |   Type: string
+| | ... | - client_mask - IP netmask that should be offered to client.
+| | ... |   Type: string
+| | ... | - hostname - DHCP client hostname (Optional, Default="", if not
+| | ... |   specified, the hostname is not checked). Type: string
+| | ... | - offer_xid - Transaction ID (Optional, Default="", if not specified
+| | ... |   xid field in DHCP OFFER is same as in DHCP DISCOVER message).
+| | ... |   Type: integer
+| | ...
+| | ... | *Return:*
+| | ... | - No value returned.
+| | ...
+| | ... | *Raises:*
+| | ... | - DHCP REQUEST Rx timeout - if no DHCP REQUEST is received.
+| | ...
+| | ... | *Example:*
+| | ...
+| | ... | \| Verify DHCP REQUEST after OFFER \| ${nodes['TG']} \
+| | ... | \| eth2 \| 08:00:27:66:b8:57 \| 192.168.23.1 \
+| | ... | \| 08:00:27:46:2b:4c \| 192.168.23.10 \| 255.255.255.0 \|
+| | ...
+| | ... | \| Run Keyword And Expect Error \| DHCP REQUEST Rx timeout \
+| | ... | \| Verify DHCP REQUEST after OFFER \
+| | ... | \| ${nodes['TG']} \| eth2 \| 08:00:27:66:b8:57 \| 192.168.23.1 \
+| | ... | \| 08:00:27:46:2b:4c \| 192.168.23.10 \| 255.255.255.0 \
+| | ... | \| offer_xid=11113333 \|
+| | ...
+| | [Arguments] | ${tg_node} | ${tg_interface} | ${server_mac} | ${server_ip}
+| | ... | ${client_mac} | ${client_ip} | ${client_mask}
+| | ... | ${hostname}=${EMPTY} | ${offer_xid}=${EMPTY}
+| | ${tg_interface_name}= | Get interface name | ${tg_node} | ${tg_interface}
+| | ${args}= | Catenate | --rx_if | ${tg_interface_name} | --server_mac
+| | ... | ${server_mac} | --server_ip | ${server_ip} | --client_mac
+| | ... | ${client_mac} | --client_ip | ${client_ip} | --client_mask
+| | ... | ${client_mask}
+| | ${args}= | Run Keyword If | "${hostname}" == "" | Set Variable | ${args}
+| | ...      | ELSE | Catenate | ${args} | --hostname | ${hostname}
+| | ${args}= | Run Keyword If | "${offer_xid}" == "" | Set Variable | ${args}
+| | ...      | ELSE | Catenate | ${args} | --offer_xid | ${offer_xid}
+| | Run Traffic Script On Node | dhcp/check_dhcp_request.py
+| | ... | ${tg_node} | ${args}
+
+
+| Configure IP on client via DHCP
+| | [Documentation] | Run script that sends IP configuration to the DHCP client.
+| | ...
+| | ... | *Arguments:*
+| | ... | - tg_node - TG node. Type: dictionary
+| | ... | - tg_interface - TG interface where listen for DHCP DISCOVER,
+| | ... |   send DHCP OFFER and DHCP ACK after DHCP REQUEST messages.
+| | ... |   Type: string
+| | ... | - server_mac - DHCP server MAC address. Type: string
+| | ... | - server_ip - DHCP server IP address. Type: string
+| | ... | - client_ip - IP address that is offered to client. Type: string
+| | ... | - client_mask - IP netmask that is offered to client. Type: string
+| | ... | - lease_time - IP lease time in seconds. Type: integer
+| | ...
+| | ... | *Return:*
+| | ... | - No value returned.
+| | ...
+| | ... | *Example:*
+| | ...
+| | ... | \| Configure IP on client via DHCP \| ${nodes['TG']} \
+| | ... | \| eth2 \| 08:00:27:66:b8:57 \| 192.168.23.1 \
+| | ... | \| 192.168.23.10 \| 255.255.255.0 \| 86400 \|
+| | ...
+| | [Arguments] | ${tg_node} | ${tg_interface}
+| | ... | ${server_mac} | ${server_ip} | ${client_ip} | ${client_mask}
+| | ... | ${lease_time}
+| | ${tg_interface_name}= | Get interface name | ${tg_node} | ${tg_interface}
+| | ${args}= | Catenate | --rx_if | ${tg_interface_name}
+| | ... | --server_mac | ${server_mac} | --server_ip | ${server_ip}
+| | ... | --client_ip | ${client_ip} | --client_mask | ${client_mask}
+| | ... | --lease_time | ${lease_time}
+| | Run Traffic Script On Node | dhcp/check_dhcp_request_ack.py
+| | ... | ${tg_node} | ${args}