# Copyright (c) 2019 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/shared/default.robot | Resource | resources/libraries/robot/shared/testing_path.robot | Resource | resources/libraries/robot/features/dhcp_client.robot | Resource | resources/libraries/robot/ip/ip4.robot | Library | resources.libraries.python.Trace | Force Tags | HW_ENV | VM_ENV | 3_NODE_DOUBLE_LINK_TOPO | SKIP_VPP_PATCH | Test Setup | Set up functional test | Test Teardown | Tear down functional test | Documentation | *DHCPv4 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 *** | TC01: VPP sends a DHCP DISCOVER | | [Documentation] | Configure DHCPv4 client on interface to TG without | | ... | hostname and check if DHCPv4 DISCOVER message contains all | | ... | required fields with expected values. | | ... | | Given Configure path in 2-node circular topology | | ... | ${nodes['TG']} | ${nodes['DUT1']} | ${nodes['TG']} | | And Set interfaces in 2-node circular topology up | | When Set DHCP client on Interface | ${dut_node} | ${dut_to_tg_if1} | | Then Verify DHCP DISCOVER header | ${tg_node} | | ... | ${tg_to_dut_if1} | ${dut_to_tg_if1_mac} | TC02: VPP sends a DHCPv4 DISCOVER with hostname | | [Documentation] | Configure DHCPv4 client on interface to TG with hostname | | ... | and check if DHCPv4 DISCOVER message contains all required | | ... | fields with expected values. | | ... | | Given Configure path in 2-node circular topology | | ... | ${nodes['TG']} | ${nodes['DUT1']} | ${nodes['TG']} | | And Set interfaces in 2-node circular topology up | | When Set DHCP client on Interface | ${dut_node} | ${dut_to_tg_if1} | | ... | ${client_hostname} | | Then Verify DHCP DISCOVER header | ${tg_node} | | ... | ${tg_to_dut_if1} | ${dut_to_tg_if1_mac} | ${client_hostname} | TC03: VPP sends DHCPv4 REQUEST after OFFER | | [Documentation] | Configure DHCPv4 client on interface to TG and check if | | ... | DHCPv4 REQUEST message contains all required fields. | | ... | | Given Configure path in 2-node circular topology | | ... | ${nodes['TG']} | ${nodes['DUT1']} | ${nodes['TG']} | | And Set interfaces in 2-node circular topology up | | And VPP Route Add | ${dut_node} | 255.255.255.255 | 32 | gateway=${NONE} | | ... | interface=local | use_sw_index=${FALSE} | resolve_attempts=${NONE} | | When Set DHCP client on Interface | ${dut_node} | ${dut_to_tg_if1} | | Then Verify 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} | TC04: VPP doesn't send DHCPv4 REQUEST after OFFER with wrong XID | | [ Tags ] | EXPECTED_FAILING | | [Documentation] | Configure DHCPv4 client on interface to TG. If server | | ... | sends DHCPv4 OFFER with different XID as in DHCPv4 | | ... | DISCOVER, DHCPv4 REQUEST message shouldn't be sent. | | ... | | Given Configure path in 2-node circular topology | | ... | ${nodes['TG']} | ${nodes['DUT1']} | ${nodes['TG']} | | And Set interfaces in 2-node circular topology up | | And VPP Route Add | ${dut_node} | 255.255.255.255 | 32 | gateway=${NONE} | | ... | interface=local | use_sw_index=${FALSE} | resolve_attempts=${NONE} | | When Set DHCP client on Interface | ${dut_node} | ${dut_to_tg_if1} | | Then Run Keyword And Expect Error | DHCP REQUEST Rx timeout | | ... | Verify 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} | TC05: VPP honors DHCPv4 lease time | | [Documentation] | Send IP configuration to the VPP client via DHCPv4. | | ... | Address is checked with ICMP echo request and there should | | ... | be no reply for echo request when lease has expired. | | ... | | Given Configure path in 2-node circular topology | | ... | ${nodes['TG']} | ${nodes['DUT1']} | ${nodes['TG']} | | And Set interfaces in 2-node circular topology up | | And VPP Route Add | ${dut_node} | 255.255.255.255 | 32 | gateway=${NONE} | | ... | interface=local | use_sw_index=${FALSE} | resolve_attempts=${NONE} | | When Set DHCP client on Interface | ${dut_node} | ${dut_to_tg_if1} | | And Configure IP on 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 Send ICMP echo request and verify answer | | ... | ${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 | | ... | Send ICMP echo request and verify answer | ${tg_node} | | ... | ${tg_to_dut_if1} | ${dut_to_tg_if1_mac} | ${tg_to_dut_if1_mac} | | ... | ${client_ip} | ${server_ip}