# 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/ipv4.robot | Resource | resources/libraries/robot/ipv6.robot | Resource | resources/libraries/robot/map.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 | *Lightweight 4 over 6 test cases* | ... | ... | LW4o6 is a subset of MAP-E, with per-subscriber rules. It uses the | ... | same tunneling mechanism and configuration as MAP-E. It does not use | ... | embedded address bits. | ... | ... | *[Top] Network Topologies:* TG=DUT1 2-node topology with two links | ... | between nodes. | ... | *[Enc] Packet Encapsulations:* Eth-IPv4-UDP on TG_if1-DUT, | ... | Eth-IPv6-IPv4-UDP on TG_if2_DUT. | ... | *[Cfg] DUT configuration:* DUT1 is configured as lwAFTR. | ... | *[Ver] TG verification:* Test UDP ICMP Echo Request in IPv4 are | ... | sent to lwAFTR and are verified by TG for correctness their | ... | encapsulation in IPv6 src-addr, dst-addr and MAC addresses. | ... | *[Ref] Applicable standard specifications:* RFC7596 RFC7597. *** Variables *** | ${dut_ip4}= | 10.0.0.1 | ${dut_ip6}= | 2001:0::1 | ${tg_ip6}= | 2001:0::2 | ${ipv4_prefix_len}= | 24 | ${ipv6_prefix_len}= | 64 | ${lw_ipv4_pfx}= | 20.0.0.1/32 | ${lw_ipv6_pfx}= | 2001:1::/64 | ${lw_ipv6_src}= | 2001:1::1 | ${lw_psid_length}= | ${8} | ${lw_psid_offset}= | ${6} | ${lw_rule_psid}= | ${52} | ${lw_rule_ipv6_dst}= | 2001:1::2 | ${lw_rule_2_psid}= | ${22} | ${lw_rule_2_ipv6_dst}= | 2001:1::3 | ${test_ipv4_inside}= | 20.0.0.1 | ${test_ipv4_outside}= | 10.0.0.100 # test_port depends on psid, length, offset | ${test_port}= | ${1232} | ${test_icmp_id}= | ${1232} | ${test_2_port}= | ${6232} *** Test Cases *** | TC01: Encapsulate IPv4 into IPv6. IPv6 dst depends on IPv4 and UDP destination | | [Documentation] | | ... | [Top] TG=DUT1. | | ... | [Enc] Eth-IPv4-UDP on TG_if1-DUT, Eth-IPv6-IPv4-UDP on TG_if2_DUT. | | ... | [Cfg] On DUT1 configure Map domain and Map rule. | | ... | [Ver] Make TG send non-encapsulated UDP to DUT; verify TG received | | ... | IPv4oIPv6 encapsulated packet is correct. | | ... | [Ref] RFC7596 RFC7597 | | ... | | Given Path for 2-node testing is set | | ... | ${nodes['TG']} | ${nodes['DUT1']} | ${nodes['TG']} | | And Interfaces in 2-node path are up | | And IP addresses are set on interfaces | | ... | ${dut_node} | ${dut_to_tg_if1} | ${dut_ip4} | ${ipv4_prefix_len} | | ... | ${dut_node} | ${dut_to_tg_if2} | ${dut_ip6} | ${ipv6_prefix_len} | | And Add IP Neighbor | | ... | ${dut_node} | ${dut_to_tg_if2} | ${tg_ip6} | | ... | ${tg_to_dut_if2_mac} | | And Vpp Route Add | | ... | ${dut_node} | ${lw_rule_ipv6_dst} | 128 | | ... | ${tg_ip6} | ${dut_to_tg_if2} | resolve_attempts=${NONE} | | ${domain_index}= | | ... | When Map Add Domain | | ... | ${dut_node} | ${lw_ipv4_pfx} | ${lw_ipv6_pfx} | | ... | ${lw_ipv6_src} | 0 | ${lw_psid_offset} | | ... | ${lw_psid_length} | | And Map Add Rule | | ... | ${dut_node} | ${domain_index} | ${lw_rule_psid} | | ... | ${lw_rule_ipv6_dst} | | Then Send IPv4 UDP and check headers for lightweight 4over6 | | ... | ${tg_node} | ${tg_to_dut_if1} | ${tg_to_dut_if2} | | ... | ${dut_to_tg_if1_mac} | ${test_ipv4_inside} | ${test_ipv4_outside} | | ... | ${test_port} | ${tg_to_dut_if2_mac} | ${dut_to_tg_if2_mac} | | ... | ${lw_rule_ipv6_dst} | ${lw_ipv6_src} TC02: Encapsulate IPv4 ICMP into IPv6. IPv6 dst depends on IPv4 addr and ICMP ID | | [Documentation] | | ... | [Top] TG=DUT1. | | ... | [Enc] Eth-IPv4-ICMP(type 0 and 8) on TG_if1-DUT, Eth-IPv6-IPv4-ICMP | | ... | on TG_if2_DUT. | | ... | [Cfg] On DUT1 configure Map domain and Map rule. | | ... | [Ver] Make TG send non-encapsulated ICMP to DUT; verify TG received | | ... | IPv4oIPv6 encapsulated packet is correct. Checks IPv6 | | ... | destination based on ICMP Identifier field. | | ... | [Ref] RFC7596 section 8.1 | | ... | | Given Path for 2-node testing is set | | ... | ${nodes['TG']} | ${nodes['DUT1']} | ${nodes['TG']} | | And Interfaces in 2-node path are up | | And IP addresses are set on interfaces | | ... | ${dut_node} | ${dut_to_tg_if1} | ${dut_ip4} | ${ipv4_prefix_len} | | ... | ${dut_node} | ${dut_to_tg_if2} | ${dut_ip6} | ${ipv6_prefix_len} | | And Add IP Neighbor | | ... | ${dut_node} | ${dut_to_tg_if2} | ${tg_ip6} | | ... | ${tg_to_dut_if2_mac} | | And Vpp Route Add | | ... | ${dut_node} | ${lw_rule_ipv6_dst} | 128 | | ... | ${tg_ip6} | ${dut_to_tg_if2} | resolve_attempts=${NONE} | | ${domain_index}= | | ... | When Map Add Domain | | ... | ${dut_node} | ${lw_ipv4_pfx} | ${lw_ipv6_pfx} | | ... | ${lw_ipv6_src} | 0 | ${lw_psid_offset} | | ... | ${lw_psid_length} | | And Map Add Rule | | ... | ${dut_node} | ${domain_index} | ${lw_rule_psid} | | ... | ${lw_rule_ipv6_dst} | | Then Send IPv4 ICMP and check headers for lightweight 4over6 | | ... | ${tg_node} | ${tg_to_dut_if1} | ${tg_to_dut_if2} | | ... | ${dut_to_tg_if1_mac} | ${test_ipv4_inside} | ${test_ipv4_outside} | | ... | ${test_icmp_id} | ${tg_to_dut_if2_mac} | ${dut_to_tg_if2_mac} | | ... | ${lw_rule_ipv6_dst} | ${lw_ipv6_src} TC03: Decapsulate IPv4 UDP from IPv6. | | [Documentation] | | ... | [Top] TG=DUT1. | | ... | [Enc] Eth-IPv6-IPv4-UDP on TG_if2_DUT, Eth-IPv4-UDP on TG_if1-DUT. | | ... | [Cfg] On DUT1 configure Map domain and Map rule. | | ... | [Ver] Make TG send encapsulated UDP to DUT; verify TG received | | ... | IPv4 non-encapsulated packet is correct. | | ... | [Ref] RFC7596 RFC7597 | | ... | | Given Path for 2-node testing is set | | ... | ${nodes['TG']} | ${nodes['DUT1']} | ${nodes['TG']} | | And Interfaces in 2-node path are up | | And IP addresses are set on interfaces | | ... | ${dut_node} | ${dut_to_tg_if1} | ${dut_ip4} | ${ipv4_prefix_len} | | ... | ${dut_node} | ${dut_to_tg_if2} | ${dut_ip6} | ${ipv6_prefix_len} | | And Add Arp on DUT | | ... | ${dut_node} | ${dut_to_tg_if1} | | ... | ${test_ipv4_outside} | | ... | ${tg_to_dut_if1_mac} | | ${domain_index}= | | ... | When Map Add Domain | | ... | ${dut_node} | ${lw_ipv4_pfx} | ${lw_ipv6_pfx} | | ... | ${lw_ipv6_src} | 0 | ${lw_psid_offset} | | ... | ${lw_psid_length} | | And Map Add Rule | | ... | ${dut_node} | ${domain_index} | ${lw_rule_psid} | | ... | ${lw_rule_ipv6_dst} | | Then Send IPv4 UDP in IPv6 and check headers for lightweight 4over6 | | ... | ${tg_node} | ${tg_to_dut_if2} | ${tg_to_dut_if1} | | ... | ${dut_to_tg_if2_mac} | ${tg_to_dut_if2_mac} | | ... | ${lw_ipv6_src} | ${lw_rule_ipv6_dst} | | ... | ${test_ipv4_outside} | ${test_ipv4_inside} | ${test_port} | | ... | ${tg_to_dut_if1_mac} | ${dut_to_tg_if1_mac} TC04: Hairpinning of traffic between two lwB4 | | [Documentation] | | ... | [Top] DUT1-TG. | | ... | [Enc] Eth-IPv6-IPv4-UDP on TG_if2_DUT, Eth-IPv6-IPv4-UDP on TG_if2_DUT. | | ... | [Cfg] On DUT1 configure Map domain and two Map rules. | | ... | [Ver] Make TG send encapsulated UDP to DUT; verify TG received | | ... | encapsulated packet is correct. | | ... | [Ref] RFC7596 RFC7597 | | ... | | Given Path for 2-node testing is set | | ... | ${nodes['TG']} | ${nodes['DUT1']} | ${nodes['TG']} | | And Interfaces in 2-node path are up | | And IP addresses are set on interfaces | | ... | ${dut_node} | ${dut_to_tg_if1} | ${dut_ip4} | ${ipv4_prefix_len} | | ... | ${dut_node} | ${dut_to_tg_if2} | ${dut_ip6} | ${ipv6_prefix_len} | | And Add IP Neighbor | | ... | ${dut_node} | ${dut_to_tg_if2} | ${tg_ip6} | | ... | ${tg_to_dut_if2_mac} | | And Vpp Route Add | | ... | ${dut_node} | ${lw_rule_2_ipv6_dst} | 128 | | ... | ${tg_ip6} | ${dut_to_tg_if2} | resolve_attempts=${NONE} | | ${domain_index}= | | ... | When Map Add Domain | | ... | ${dut_node} | ${lw_ipv4_pfx} | ${lw_ipv6_pfx} | | ... | ${lw_ipv6_src} | 0 | ${lw_psid_offset} | | ... | ${lw_psid_length} | | And Map Add Rule | | ... | ${dut_node} | ${domain_index} | ${lw_rule_psid} | | ... | ${lw_rule_ipv6_dst} | | And Map Add Rule | | ... | ${dut_node} | ${domain_index} | ${lw_rule_2_psid} | | ... | ${lw_rule_2_ipv6_dst} | | Then Send IPv4 UDP in IPv6 and check headers for lightweight hairpinning | | ... | ${tg_node} | ${tg_to_dut_if2} | ${tg_to_dut_if2} | | ... | ${dut_to_tg_if2_mac} | | ... | ${lw_ipv6_src} | ${lw_rule_ipv6_dst} | | ... | ${test_ipv4_inside} | ${test_ipv4_inside} | | ... | ${test_2_port} | ${test_port} | | ... | ${tg_to_dut_if2_mac} | ${dut_to_tg_if2_mac} | | ... | ${lw_rule_2_ipv6_dst} | ${lw_ipv6_src}