diff options
| -rw-r--r-- | docs/testing/user/userguide/nsb/tc_bng_pppoe_rfc2544_ixia.rst | 177 | ||||
| -rw-r--r-- | docs/testing/user/userguide/nsb/tc_bng_pppoe_rfc2544_ixia_8ports_1port_congested.rst | 179 |
2 files changed, 356 insertions, 0 deletions
diff --git a/docs/testing/user/userguide/nsb/tc_bng_pppoe_rfc2544_ixia.rst b/docs/testing/user/userguide/nsb/tc_bng_pppoe_rfc2544_ixia.rst new file mode 100644 index 000000000..ffe4f6c19 --- /dev/null +++ b/docs/testing/user/userguide/nsb/tc_bng_pppoe_rfc2544_ixia.rst @@ -0,0 +1,177 @@ +.. This work is licensed under a Creative Commons Attribution 4.0 International +.. License. +.. http://creativecommons.org/licenses/by/4.0 +.. (c) OPNFV, 2019 Intel Corporation. + +*************************************************************** +Yardstick Test Case Description: NSB vBNG RFC2544 QoS TEST CASE +*************************************************************** + ++-----------------------------------------------------------------------------+ +|NSB vBNG RFC2544 QoS base line test case without link congestion | +| | ++--------------+--------------------------------------------------------------+ +|test case id | tc_bng_pppoe_rfc2544_ixia_IMIX_scale_up | +| | | ++--------------+--------------------------------------------------------------+ +| metric | Network metrics: | +| | * TxThroughput | +| | * RxThroughput | +| | * TG packets in | +| | * TG packets out | +| | * Max Latency | +| | * Min Latency | +| | * Average Latency | +| | * Packets drop percentage | +| | | +| | PPPoE subscribers metrics: | +| | * Sessions up | +| | * Sessions down | +| | * Sessions Not Started | +| | * Sessions Total | +| | | +| | NOTE: the same network metrics list are collecting: | +| | * summary for all ports | +| | * per port | +| | * per priority flows summary on all ports | +| | | ++--------------+--------------------------------------------------------------+ +|test purpose | This test allows to measure performance of BNG network device| +| | according to RFC2544 testing methodology. Test case creates | +| | PPPoE subscriber connections to BNG, runs prioritized traffic| +| | on maximum throughput on all ports and collects network | +| | and PPPoE subscriber metrics. | +| | | ++--------------+--------------------------------------------------------------+ +|configuration | The BNG QoS RFC2544 test cases are listed below: | +| | | +| | * tc_bng_pppoe_rfc2544_ixia_IMIX_scale_up.yaml | +| | | +| | Mentioned test case is a template and number of ports in the | +| | setup could be passed using cli arguments, e.g: | +| | | +| | yardstick -d task start --task-args='{vports: 8}' <tc_yaml> | +| | | +| | By default, vports=2. | +| | | +| | Test duration: | +| | * set as 30sec; | +| | | +| | Traffic type: | +| | * IPv4; | +| | | +| | Packet sizes: | +| | * IMIX. The following default IMIX distribution is using: | +| | | +| | uplink: 70B - 33%, 940B - 33%, 1470B - 34% | +| | downlink: 68B - 3%, 932B - 1%, 1470B - 96% | +| | | +| | VLAN settings: | +| | * QinQ on access ports; | +| | * VLAN on core ports; | +| | | +| | Number of PPPoE subscribers: | +| | * 4000 per access port; | +| | * 1000 per SVLAN; | +| | | +| | Default ToS bits settings: | +| | * 0 - (000) Routine | +| | * 4 - (100) Flash Override | +| | * 7 - (111) Network Control. | +| | | +| | The above fields are the main options used for the test case | +| | and could be configured using cli options on test run or | +| | directly in test case yaml file. | +| | | ++--------------+--------------------------------------------------------------+ +|test tool | IXIA IxNetwork | +| | | +| | IXIA IxNetwork is using to emulates PPPoE sessions, generate | +| | L2-L3 traffic, analyze traffic flows and collect network | +| | metrics during test run. | +| | | ++--------------+--------------------------------------------------------------+ +|applicability | Mentioned BNG QoS RFC2544 test case can be configured with | +| | different: | +| | | +| | * Number of PPPoE subscribers sessions; | +| | * Setup ports number; | +| | * IP Priority type; | +| | * Packet size; | +| | * Enable/disable BGP protocol on core ports; | +| | | +| | Default values exist. | +| | | ++--------------+--------------------------------------------------------------+ +|references | RFC2544 | +| | | ++--------------+--------------------------------------------------------------+ +| pre-test | 1. BNG is up and running and has configured: | +| conditions | * access ports with QinQ tagging; | +| | * core ports with configured IP addresses and VLAN; | +| | * PPPoE subscribers authorization settings (no auth or | +| | Radius server, PAP auth protocol); | +| | * QoS settings; | +| | | +| | 2. IxNetwork API server is running on specified in pod.yaml | +| | file TCL port; | +| | | +| | 3. BNG ports are connected to IXIA ports (IXIA uplink | +| | ports are connected to BNG access ports and IXIA | +| | downlink ports are connected to BNG core ports; | +| | | +| | 4. The pod.yaml file contains all necessary information | +| | (BNG access and core ports settings, core ports IP | +| | address, NICs, IxNetwork TCL port, IXIA uplink/downlink | +| | ports, etc). | +| | | ++--------------+--------------------------------------------------------------+ +|test sequence | description and expected result | +| | | ++--------------+--------------------------------------------------------------+ +|step 1 | Yardstick resolves the topology and connects to IxNetwork | +| | API server by TCL. | +| | | ++--------------+--------------------------------------------------------------+ +|step 2 | Test scenarios run, which performs the following steps: | +| | | +| | 1. Create access network topologies (this topologies are | +| | based on IXIA ports which are connected to BNG access | +| | ports); | +| | 2. Configure access network topologies with multiple device | +| | groups. Each device group represents single SVLAN with | +| | PPPoE subscribers sessions (number of created on port | +| | SVLANs and subscribers depends on specified if test case | +| | file options); | +| | 3. Create core network topologies (this topologies are | +| | based on IXIA ports which are connected to BNG core | +| | ports); | +| | 4. Configure core network topologies with single device | +| | group which represents one connection with configured | +| | VLAN and BGP protocol; | +| | 5. Establish PPPoE subscribers connections to BNG; | +| | 6. Create traffic flows between access and core ports | +| | (traffic flows are creating between access-core ports | +| | pairs, traffic is bi-directional); | +| | 7. Configure each traffic flow with specified in traffic | +| | profile options; | +| | 8. Run traffic with specified in test case file duration; | +| | 9. Collect network metrics after traffic was stopped; | +| | 10. In case drop percentage rate is higher than expected, | +| | reduce traffic line rate and repeat steps 7-10 again; | +| | 11. In case drop percentage rate is as expected or number | +| | of maximum iterations in step 10 achieved, disconnect | +| | PPPoE subscribers and stop traffic; | +| | 12. Stop test. | +| | | ++--------------+--------------------------------------------------------------+ +|step 3 | During each iteration interval in the test run, all specified| +| | metrics are retrieved from IxNetwork and stored in the | +| | yardstick dispatcher. | +| | | ++--------------+--------------------------------------------------------------+ +|test verdict | The vBNG RFC2544 test case will achieve maximum traffic line | +| | rate with zero packet loss (or other non-zero allowed | +| | partial drop rate). | +| | | ++--------------+--------------------------------------------------------------+ diff --git a/docs/testing/user/userguide/nsb/tc_bng_pppoe_rfc2544_ixia_8ports_1port_congested.rst b/docs/testing/user/userguide/nsb/tc_bng_pppoe_rfc2544_ixia_8ports_1port_congested.rst new file mode 100644 index 000000000..889ba2410 --- /dev/null +++ b/docs/testing/user/userguide/nsb/tc_bng_pppoe_rfc2544_ixia_8ports_1port_congested.rst @@ -0,0 +1,179 @@ +.. This work is licensed under a Creative Commons Attribution 4.0 International +.. License. +.. http://creativecommons.org/licenses/by/4.0 +.. (c) OPNFV, 2019 Intel Corporation. + +*************************************************************** +Yardstick Test Case Description: NSB vBNG RFC2544 QoS TEST CASE +*************************************************************** + ++-----------------------------------------------------------------------------+ +|NSB vBNG RFC2544 QoS base line test case with link congestion | +| | ++--------------+--------------------------------------------------------------+ +|test case id | tc_bng_pppoe_rfc2544_ixia_8ports_1port_congested_IMIX | +| | | ++--------------+--------------------------------------------------------------+ +| metric | Network metrics: | +| | * TxThroughput | +| | * RxThroughput | +| | * TG packets in | +| | * TG packets out | +| | * Max Latency | +| | * Min Latency | +| | * Average Latency | +| | * Packets drop percentage | +| | | +| | PPPoE subscribers metrics: | +| | * Sessions up | +| | * Sessions down | +| | * Sessions Not Started | +| | * Sessions Total | +| | | +| | NOTE: the same network metrics list are collecting: | +| | * summary for all ports | +| | * per port | +| | * per priority flows summary on all ports | +| | | ++--------------+--------------------------------------------------------------+ +|test purpose | This test allows to measure performance of BNG network device| +| | according to RFC2544 testing methodology. Test case creates | +| | PPPoE subscribers connections to BNG, run prioritized traffic| +| | causing congestion of access port (port xe0) and collects | +| | network and PPPoE subscribers metrics. | +| | | ++--------------+--------------------------------------------------------------+ +|configuration | The BNG QoS RFC2544 test cases are listed below: | +| | | +| | * tc_bng_pppoe_rfc2544_ixia_8ports_1port_congested_IMIX.yaml | +| | | +| | Number of ports: | +| | * 8 ports | +| | | +| | Test duration: | +| | * set as 30sec; | +| | | +| | Traffic type: | +| | * IPv4; | +| | | +| | Packet sizes: | +| | * IMIX. The following default IMIX distribution is using: | +| | | +| | uplink: 70B - 33%, 940B - 33%, 1470B - 34% | +| | downlink: 68B - 3%, 932B - 1%, 1470B - 96% | +| | | +| | VLAN settings: | +| | * QinQ on access ports; | +| | * VLAN on core ports; | +| | | +| | Number of PPPoE subscribers: | +| | * 4000 per access port; | +| | * 1000 per SVLAN; | +| | | +| | Default ToS bits settings: | +| | * 0 - (000) Routine | +| | * 4 - (100) Flash Override | +| | * 7 - (111) Network Control. | +| | | +| | The above fields are the main options used for the test case | +| | and could be configured using cli options on test run or | +| | directly in test case yaml file. | +| | | +| | NOTE: that only parameter that can't be changed is ports | +| | number. To run the test with another number of ports | +| | traffic profile should be updated. | +| | | ++--------------+--------------------------------------------------------------+ +|test tool | IXIA IxNetwork | +| | | +| | IXIA IxNetwork is using to emulates PPPoE sessions, generate | +| | L2-L3 traffic, analyze traffic flows and collect network | +| | metrics during test run. | +| | | ++--------------+--------------------------------------------------------------+ +|applicability | Mentioned BNG QoS RFC2544 test cases can be configured with | +| | different: | +| | | +| | * Number of PPPoE subscribers sessions; | +| | * IP Priority type; | +| | * Packet size; | +| | * enable/disable BGP protocol on core ports; | +| | | +| | Default values exist. | +| | | ++--------------+--------------------------------------------------------------+ +|references | RFC2544 | +| | | ++--------------+--------------------------------------------------------------+ +| pre-test | 1. BNG is up and running and has configured: | +| conditions | * access ports with QinQ tagging; | +| | * core ports with configured IP addresses and VLAN; | +| | * PPPoE subscribers authorization settings (no auth or | +| | Radius server, PAP auth protocol); | +| | * QoS settings; | +| | | +| | 2. IxNetwork API server is running on specified in pod.yaml | +| | file TCL port; | +| | | +| | 3. BNG ports are connected to IXIA ports (IXIA uplink | +| | ports are connected to BNG access ports and IXIA | +| | downlink ports are connected to BNG core ports; | +| | | +| | 4. The pod.yaml file contains all necessary information | +| | (BNG access and core ports settings, core ports IP | +| | address, NICs, IxNetwork TCL port, IXIA uplink/downlink | +| | ports, etc). | +| | | ++--------------+--------------------------------------------------------------+ +|test sequence | description and expected result | +| | | ++--------------+--------------------------------------------------------------+ +|step 1 | Yardstick resolve the topology and connects to IxNetwork | +| | API server by TCL. | +| | | ++--------------+--------------------------------------------------------------+ +|step 2 | Test scenarios run, which performs the following steps: | +| | | +| | 1. Create access network topologies (this topologies are | +| | based on IXIA ports which are connected to BNG access | +| | ports); | +| | 2. Configure access network topologies with multiple device | +| | groups. Each device group represents single SVLAN with | +| | PPPoE subscribers sessions (number of created on port | +| | SVLANs and subscribers depends on specified if test case | +| | file options); | +| | 3. Create core network topologies (this topologies are | +| | based on IXIA ports which are connected to BNG core | +| | ports); | +| | 4. Configure core network topologies with single device | +| | group which represents one connection with configured | +| | VLAN and BGP protocol; | +| | 5. Establish PPPoE subscribers connections to BNG; | +| | 6. Create traffic flows between access and core ports. | +| | While test covers case with access port congestion, | +| | flows between ports will be created in the following | +| | way: traffic from two core ports are going to one access | +| | port causing port congestion and traffic from other two | +| | core ports is splitting between remaining three access | +| | ports; | +| | 7. Configure each traffic flow with specified in traffic | +| | profile options; | +| | 8. Run traffic with specified in test case file duration; | +| | 9. Collect network metrics after traffic was stopped; | +| | 10. Measure drop percentage rate of different priority | +| | packets on congested port. Expected that all high and | +| | medium priority packets was forwarded and only low | +| | priority packets has drops. | +| | 11. Disconnect PPPoE subscribers and stop test. | +| | | ++--------------+--------------------------------------------------------------+ +|step 3 | During test run, in the end of each iteration all specified | +| | in the document metrics are retrieved from IxNetwork and | +| | stored in the yardstick dispatcher. | +| | | ++--------------+--------------------------------------------------------------+ +|test verdict | The test case is successful if all high and medium priority | +| | packets on congested port was forwarded and only low | +| | priority packets has drops. | +| | | ++--------------+--------------------------------------------------------------+ |