# 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 *** | Resource | resources/libraries/robot/default.robot | Resource | resources/libraries/robot/testing_path.robot | Resource | resources/libraries/robot/dhcp_client.robot | Resource | resources/libraries/robot/ipv4.robot | Library | resources.libraries.python.Trace | Force Tags | HW_ENV | VM_ENV | 3_NODE_DOUBLE_LINK_TOPO | Test Setup | Run Keywords | Setup all DUTs before test | ... | AND | Setup all TGs before traffic script | Test Teardown | Show Packet Trace on All DUTs | ${nodes} | Documentation | *DHCP Client related test cases* *** Variables *** | ${client_hostname}= | dhcp-client | ${client_ip}= | 192.168.23.10 | ${client_mask}= | 255.255.255.0 | ${server_ip}= | 192.168.23.1 | ${own_xid}= | 11112222 | ${lease_time}= | ${15} *** Test Cases *** | VPP sends a DHCP DISCOVER | | [Documentation] | Configure DHCP client on interface to TG without hostname | | ... | and check if DHCP DISCOVER message contains all required | | ... | fields with expected values. | | ... | | Given Path for 2-node testing is set | | ... | ${nodes['TG']} | ${nodes['DUT1']} | ${nodes['TG']} | | And Interfaces in 2-node path are up | | When Set DHCP client on Interface | ${dut_node} | ${dut_to_tg_if1} | | Then Check DHCP DISCOVER header | ${tg_node} | | ... | ${tg_to_dut_if1} | ${dut_to_tg_if1_mac} | VPP sends a DHCP DISCOVER with hostname | | [Documentation] | Configure DHCP client on interface to TG with hostname | | ... | and check if DHCP DISCOVER message contains all required | | ... | fields with expected values. | | ... | | Given Path for 2-node testing is set | | ... | ${nodes['TG']} | ${nodes['DUT1']} | ${nodes['TG']} | | And Interfaces in 2-node path are up | | When Set DHCP client on Interface | ${dut_node} | ${dut_to_tg_if1} | | ... | ${client_hostname} | | Then Check DHCP DISCOVER header | ${tg_node} | | ... | ${tg_to_dut_if1} | ${dut_to_tg_if1_mac} | ${client_hostname} | VPP sends DHCP REQUEST after OFFER | | [Documentation] | Configure DHCP client on interface to TG and check if | | ... | DHCP REQUEST message contains all required fields. | | ... | | Given Path for 2-node testing is set | | ... | ${nodes['TG']} | ${nodes['DUT1']} | ${nodes['TG']} | | And Interfaces in 2-node path are up | | And VPP Route Add | ${dut_node} | 255.255.255.255 | 32 | ${NONE} | local | | ... | ${FALSE} | ${NONE} | | When Set DHCP client on Interface | ${dut_node} | ${dut_to_tg_if1} | | Then Check DHCP REQUEST after OFFER | ${tg_node} | ${tg_to_dut_if1} | | ... | ${tg_to_dut_if1_mac} | ${server_ip} | | ... | ${dut_to_tg_if1_mac} | ${client_ip} | ${client_mask} | VPP doesn't send DHCP REQUEST after OFFER with wrong XID | | [ Tags ] | EXPECTED_FAILING | | [Documentation] | Configure DHCP client on interface to TG. If server sends | | ... | DHCP OFFER with different XID as in DHCP DISCOVER, | | ... | DHCP REQUEST message shouldn't be sent. | | ... | | Given Path for 2-node testing is set | | ... | ${nodes['TG']} | ${nodes['DUT1']} | ${nodes['TG']} | | And Interfaces in 2-node path are up | | And VPP Route Add | ${dut_node} | 255.255.255.255 | 32 | ${NONE} | local | | ... | ${FALSE} | ${NONE} | | When Set DHCP client on Interface | ${dut_node} | ${dut_to_tg_if1} | | Then Run Keyword And Expect Error | DHCP REQUEST Rx timeout | | ... | Check DHCP REQUEST after OFFER | ${tg_node} | ${tg_to_dut_if1} | | ... | ${tg_to_dut_if1_mac} | ${server_ip} | | ... | ${dut_to_tg_if1_mac} | ${client_ip} | ${client_mask} | | ... | offer_xid=${own_xid} | VPP honors DHCPv4 lease time | | [Documentation] | Send IP configuration to the VPP client via DHCP. Address | | ... | is checked with ICMP echo request and there should be no | | ... | reply for echo request when lease has expired. | | ... | | Given Path for 2-node testing is set | | ... | ${nodes['TG']} | ${nodes['DUT1']} | ${nodes['TG']} | | And Interfaces in 2-node path are up | | And VPP Route Add | ${dut_node} | 255.255.255.255 | 32 | ${NONE} | local | | ... | ${FALSE} | ${NONE} | | When Set DHCP client on Interface | ${dut_node} | ${dut_to_tg_if1} | | And Send IP configuration to client via DHCP | | ... | ${tg_node} | ${tg_to_dut_if1} | | ... | ${tg_to_dut_if1_mac} | ${server_ip} | | ... | ${client_ip} | ${client_mask} | | ... | ${lease_time} | | And Add Arp On Dut | ${dut_node} | ${dut_to_tg_if1} | ${server_ip} | | ... | ${tg_to_dut_if1_mac} | | Then Node replies to ICMP echo request | ${tg_node} | ${tg_to_dut_if1} | | ... | ${dut_to_tg_if1_mac} | ${tg_to_dut_if1_mac} | ${client_ip} | | ... | ${server_ip} | | And Sleep | ${lease_time} | | And Run Keyword And Expect Error | ICMP echo Rx timeout | | ... | Node replies to ICMP echo request | ${tg_node} | | ... | ${tg_to_dut_if1} | ${dut_to_tg_if1_mac} | ${tg_to_dut_if1_mac} | | ... | ${client_ip} | ${server_ip}