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Example for Configuring a General Flow Test in a Native Ethernet Scenario
This section describes how to configure a general flow test in a native Ethernet scenario. A general flow test is used to monitor the native Ethernet network performance.
Networking Requirements
A general flow test needs to be configured to monitor the performance of an Ethernet virtual connection (EVC) between Device A and Device B on the network shown in Figure 4-11.
Configuration Roadmap
The configuration roadmap is as follows:
- Configure reflector Device B to loop traffic with a specified destination MAC address through reflector interface GE 0/1/1 to the initiator.
- Configure initiator Device A and test the throughput, latency, and packet loss rate.
- Configure Device C's interface to join the specified VLAN.
Data Preparation
To complete the configuration, you need the following data:
- On reflector Device B: MAC address (1-1-1) of the interface directly connected to GE 0/1/1
On initiator Device A:
- Destination MAC address (1-1-1) of the interface directly connected to Device B's GE 0/1/1
- Throughput test parameters: upper rate threshold (100000 Kbit/s), lower rate threshold (10000 Kbit/s), throughput precision (1000 Kbit/s), packet loss rate (81), interval (5s) at which test packets are transmitted at a specified rate, data size (70 bytes) of each test packet, and test duration (100s)
- Delay test parameters: packet rate (99000 Kbit/s), test duration (100s), and interval (5s) at which the initiator sends test packets
- Packet loss rate test parameters: packet rate (99000 Kbit/s), and test duration (100s)
Procedure
- Configure reachable Layer 2 links between the initiator and reflector and add Layer 2 interfaces to VLAN 10. For configuration details, see "Configuration Files" in this section.
- Configure the reflector.
<DeviceB> system-view [~DeviceB] nqa reflector 1 interface gigabitethernet 0/1/1 mac 1-1-1 vlan 10
- Configure the initiator to conduct a throughput test and
check the test results.
<DeviceA> system-view [~DeviceA] nqa test-instance admin throughput [*DeviceA-nqa-admin-throughput] test-type generalflow [*DeviceA-nqa-admin-throughput] measure throughput [*DeviceA-nqa-admin-throughput] destination-address mac 1-1-1 [*DeviceA-nqa-admin-throughput] forwarding-simulation inbound-interface gigabitethernet 0/1/1 [*DeviceA-nqa-admin-throughput] rate 10000 100000 [*DeviceA-nqa-admin-throughput] interval seconds 5 [*DeviceA-nqa-admin-throughput] precision 1000 [*DeviceA-nqa-admin-throughput] fail-ratio 81 [*DeviceA-nqa-admin-throughput] datasize 70 [*DeviceA-nqa-admin-throughput] duration 100 [*DeviceA-nqa-admin-throughput] vlan 10 [*DeviceA-nqa-admin-throughput] start now [*DeviceA-nqa-admin-throughput] commit [~DeviceA-nqa-admin-throughput] display nqa results test-instance admin throughput NQA entry(admin, throughput) :testflag is inactive ,testtype is generalflow 1 . Test 1 result: The test is finished, test mode is throughput ID Size Throughput(Kbps) Precision(Kbps) LossRatio Completion 1 70 100000 1000 0.00% success
- Configure the initiator to conduct a latency test and check
the test results.
[*DeviceA] nqa test-instance admin delay [*DeviceA-nqa-admin-delay] test-type generalflow [*DeviceA-nqa-admin-delay] measure delay [*DeviceA-nqa-admin-delay] destination-address mac 1-1-1 [*DeviceA-nqa-admin-delay] forwarding-simulation inbound-interface gigabitethernet 0/1/1 [*DeviceA-nqa-admin-delay] datasize 64 [*DeviceA-nqa-admin-delay] rate 99000 [*DeviceA-nqa-admin-delay] interval seconds 5 [*DeviceA-nqa-admin-delay] duration 100 [*DeviceA-nqa-admin-delay] vlan 10 [*DeviceA-nqa-admin-delay] start now [*DeviceA-nqa-admin-delay] commit [~DeviceA-nqa-admin-delay] display nqa results test-instance admin delay NQA entry(admin, delay) :testflag is inactive ,testtype is generalflow 1 . Test 1 result: The test is finished, test mode is delay ID Size Min/Max/Avg RTT(us) Min/Max/Avg Jitter(us) Completion 1 64 1/12/5 2/15/8 finished
- Configure the initiator to conduct a packet loss rate test
and check the test results.
[*DeviceA] nqa test-instance admin loss [*DeviceA-nqa-admin-loss] test-type generalflow [*DeviceA-nqa-admin-loss] measure loss [*DeviceA-nqa-admin-loss] destination-address mac 1-1-1 [*DeviceA-nqa-admin-loss] forwarding-simulation inbound-interface gigabitethernet 0/1/1 [*DeviceA-nqa-admin-loss] datasize 64 [*DeviceA-nqa-admin-loss] rate 99000 [*DeviceA-nqa-admin-loss] duration 100 [*DeviceA-nqa-admin-loss] vlan 10 [*DeviceA-nqa-admin-loss] start now [*DeviceA-nqa-admin-loss] commit [~DeviceA-nqa-admin-loss] display nqa results test-instance admin loss NQA entry(admin, loss) :testflag is inactive ,testtype is generalflow 1 . Test 1 result: The test is finished, test mode is loss ID Size TxRate/RxRate(Kbps) TxCount/RxCount LossRatio Completion 1 64 99000/99000 653265345/653265345 0.00% finished
Configuration Files
Configuration file of Device A
# sysname DeviceA # vlan 10 # interface GigabitEthernet 0/1/1 portswitch undo shutdown port link-type trunk port trunk allow-pass vlan 10# interface GigabitEthernet 0/1/2 portswitch undo shutdown port link-type trunk port trunk allow-pass vlan 10 # nqa test-instance admin throughput test-type generalflow duration 100 measure throughput fail-ratio 81 destination-address mac 0001-0001-0001 datasize 70 rate 10000 100000 precision 1000 forwarding-simulation inbound-interface GigabitEthernet0/1/1 vlan 10 nqa test-instance admin loss test-type generalflow duration 100 measure loss destination-address mac 0001-0001-0001 datasize 64 rate 99000 forwarding-simulation inbound-interface GigabitEthernet0/1/1 vlan 10 nqa test-instance admin delay test-type generalflow duration 100 measure delay interval seconds 5 destination-address mac 0001-0001-0001 datasize 64 rate 99000 forwarding-simulation inbound-interface GigabitEthernet0/1/1 vlan 10 # return
Configuration file of Device B
# sysname DeviceB # vlan 10 nqa reflector 1 interface gigabitethernet 0/1/1 mac 0001-0001-0001 vlan 10 # interface GigabitEthernet 0/1/1 portswitch undo shutdown port link-type trunk port trunk allow-pass vlan 10 # interface GigabitEthernet 0/1/2 portswitch undo shutdown port link-type trunk port trunk allow-pass vlan 10 # return
Configuration file of Device C
# sysname DeviceC # vlan 10 # interface GigabitEthernet 0/1/1 portswitch undo shutdown port link-type trunk port trunk allow-pass vlan 10 # interface GigabitEthernet 0/1/2 portswitch undo shutdown port link-type trunk port trunk allow-pass vlan 10 # return
