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Configuration Guide - System Monitor 01

NE05E and NE08E V300R003C10SPC500

This is NE05E and NE08E V300R003C10SPC500 Configuration Guide - System Monitor
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Configuring NQA to Check a Layer 2 Network

Configuring NQA to Check a Layer 2 Network

Before configuring network quality analysis (NQA) to check a Layer 2 network, familiarize yourself with the usage scenario and complete the pre-configuration tasks.

Usage Scenario

Table 4-4 Usage scenario for checking a Layer 2 network using NQA
Test Type Usage Scenario
MAC ping test MAC ping can test the connectivity, packet loss, and delay of links between devices on a Layer 2 network, facilitating fault locating.

Pre-configuration Tasks

Before configuring NQA to check a Layer 2 network, complete the following tasks:

  • Complete basic configurations of the Layer 2 network.

Configuration Procedures

Perform one or more of the following configurations as required.

Configuring a MAC Ping Test

MAC ping can test the connectivity, packet loss, and delay of links between devices on a Layer 2 network, facilitating fault locating.

Procedure

  1. Run system-view

    The system view is displayed.

  2. Create an NQA test instance and specify the test instance type as MAC ping.
    1. Run nqa test-instance admin-name test-name

      An NQA test instance is created, and the view of the test instance is displayed.

    2. Run test-type macping

      The NQA test instance type is set to MAC ping.

    3. Run description description

      A description is configured for the NQA test instance.

  3. Configure the MEP ID, MD name, and MA name based on the MAC ping type.
    1. Run mep mep-id mep-id

      The local MEP ID is configured.

    2. Run md md-name ma ma-name

      The names of the MD and MA for sending NQA test packets are configured.

  4. Perform either of the following steps to configure the destination address for the MAC ping test:

    • Run destination-address mac mac-address

      The destination MAC address is configured.

      NOTE:
      To query a destination MAC address, run the display cfm remote-mep command.
    • Run destination-address remote-mep mep-id remote-mep

      The peer MEP ID is configured.

    NOTE:
    If the destination address type is remote-mep, you must configure the mapping between the remote MEP and MAC address first.

  5. (Optional) Set optional parameters for the NQA test instance and simulate packets transmitted on an actual network.
    1. Run datasize size

      The size of the data field in an NQA test packet.

      • If version-number is set to 1 in the nqa-jitter tag-version command, the default size of the data field in an NQA test packet is 68 bytes.
      • If version-number is set to 2 in the nqa-jitter tag-version command, the default size of the data field in an NQA test packet is 20 bytes.

      Only supported when the icmp-jitter-mode is icmp-echo.

    2. Run probe-count number

      The number of probes in a test is set for the NQA test instance.

      By default, the number of probes is 3.

    3. Run interval seconds interval

      The interval at which NQA test packets are sent is set for the NQA test instance.

  6. (Optional) Configure detection failure conditions and enable the function to send traps to the NMS upon detection failures.
    1. Run timeout time

      The response timeout period is set.

      If no response packets are received before the set period expires, the probe is regarded as a failure.

      By default, the timeout period is 3s.

    2. Run fail-percent percent

      The failure percentage is set for the NQA test instance.

      If the percentage of failed probes is equal to or greater than the failure percentage, the test is regarded as a failure.

      By default, the failure percent threshold is 100. A test is considered failed only after all probes fail.

    3. Run probe-failtimes

      The system is enabled to send traps to the NMS after the number of consecutive probe failures reaches the specified threshold.

      By default, a trap is sent for each probe failure.

    4. Run test-failtimes times

      The system is enabled to send traps to the NMS after the number of consecutive failures of the NQA test instance reaches the specified threshold.

      By default, a trap is sent for each test failure.

    5. Run threshold rtd rtd-value

      The RTD threshold is configured.

    6. Run send-trap { all | [ rtd | testfailure | probefailure | testcomplete ]* }

      The condition for triggering a trap is configured.

    7. Run jitter-packetnum number

      The number of test packets to be sent during each test is set.

  7. (Optional) Configure the NQA statistics function.

    Run records { history number | result number }

    The maximum number of history records and the maximum number of result records that can be saved for the NQA test instance are set.

  8. (Optional) Run agetime hh:mm:ss

    The aging time for the NQA test instance is set.

    The default aging time is 0, indicating that the NQA test instance does not age.

  9. Schedule the NQA test instance.
    1. (Optional) Run frequency interval

      The test period is set for the NQA test instance.

      By default, no interval is set. An NQA test instance is performed once.

    2. Run start

      An NQA test is started.

      The start command has multiple formats. Choose one of the following as needed.

      • To start an NQA test instance immediately, run the start now [ end { at [ yyyy/mm/dd ] hh:mm:ss | delay { seconds second | hh:mm:ss } | lifetime { seconds second | hh:mm:ss } } ] command.

      • To start an NQA test instance at a specified time, run the start at [ yyyy/mm/dd ] hh:mm:ss [ end { at [ yyyy/mm/dd ] hh:mm:ss | delay { seconds second | hh:mm:ss } | lifetime { seconds second | hh:mm:ss } } ] command.

      • To start an NQA test instance after a specified delay, run the start delay { seconds second | hh:mm:ss } [ end { at [ yyyy/mm/dd ] hh:mm:ss | delay { seconds second | hh:mm:ss } | lifetime { seconds second | hh:mm:ss } } ] command.

      • To start an NQA test instance at a specified time every day, run the start daily hh:mm:ss to hh:mm:ss [ begin yyyy/mm/dd ] [ end yyyy/mm/dd ] command.

  10. Run commit

    The configuration is committed.

Verifying the NQA Configuration

After the test is complete, verify the test results.

Prerequisites

NOTE:
NQA test results are not displayed automatically on the terminal. To view test results, run the display nqa results command.

Procedure

  • Run the display nqa results [ collection ] [ test-instance admin-name test-name ] command to check NQA test results.

Example

Run the display nqa results command to check the NQA test results.

<HUAWEI> display nqa results test-instance test macping
NQA entry(test, macping) :testflag is inactive ,testtype is macping
  1 . Test 1 result   The test is finished
   SendProbe:1                            ResponseProbe:0                       
   Completion:failed                      RTD OverThresholds number:0           
   OWD OverThresholds SD number:0         OWD OverThresholds DS number:0        
   Min/Max/Avg/Sum RTT:0/0/0/0            RTT Square Sum:0                      
   NumOfRTT:0                             Drop operation number:1               
   Operation sequence errors number:0     RTT Status errors number:1            
   System busy operation number:0         Operation timeout number:0            
   Min Positive SD:0                      Min Positive DS:0                     
   Max Positive SD:0                      Max Positive DS:0                     
   Positive SD Number:0                   Positive DS Number:0                  
   Positive SD Sum:0                      Positive DS Sum:0                     
   Positive SD Square Sum:0               Positive DS Square Sum:0              
   Min Negative SD:0                      Min Negative DS:0                     
   Max Negative SD:0                      Max Negative DS:0                     
   Negative SD Number:0                   Negative DS Number:0                  
   Negative SD Sum:0                      Negative DS Sum:0                     
   Negative SD Square Sum:0               Negative DS Square Sum:0              
   Min Delay SD:0                         Min Delay DS:0                        
   Avg Delay SD:0                         Avg Delay DS:0                        
   Max Delay SD:0                         Max Delay DS:0                        
   Delay SD Square Sum:0                  Delay DS Square Sum:0                 
   Packet Loss SD:0                       Packet Loss DS:0                      
   Packet Loss Unknown:0                  Average of Jitter:0                   
   Average of Jitter SD:0                 Average of Jitter DS:0                
   Jitter out value:0.0000000             Jitter in value:0.0000000             
   NumberOfOWD:0                          Packet Loss Ratio:100 %               
   OWD SD Sum:0                           OWD DS Sum:0                          
   ICPIF value:0                          MOS-CQ value:0                        
   TimeStamp unit:ms                     
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Updated: 2019-01-14

Document ID: EDOC1100058924

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