Configuring Single-ended Frame Loss Measurement in VPLS Networking

In VPLS networking, the clock frequencies between the two ends are synchronized and CFM is enabled to monitor link connectivity. If the unidirectional delay measurement needs to be performed for a link, one-way frame delay measurement can be configured to monitor the quality of the link.

Context

Single-ended frame loss measurement in VPLS networking can be either on-demand or proactive. On-demand single-ended frame loss measurement is manually initiated for diagnosis of frame loss in a limited time. It can be singular or periodic measurement. Proactive single-ended frame loss measurement is carried out continuously to permit proactive reporting of frame loss or performance results.

To implement singular or periodic single-ended frame loss measurement for a PW, configure on-demand single-end frame loss measurement in VLL networking.
To implement continual single-ended frame loss measurement for a PW, configure proactive single-ended frame loss measurement in VLL networking.

Procedure

Configure on-demand single-ended frame loss measurement.
- Configure on-demand single-ended frame loss measurement for a PW.
  1. Perform the following steps on the devices at both ends of a PW where single-ended frame loss measurement will be implemented:
    1. Run system-view
      The system view is displayed.
    2. Run cfm mdmd-name
      The MD view is displayed.
    3. Run mama-name
      The MA view is displayed.
    4. Run mapvsivsi-name
      
      The MA is bound to a VSI.
    5. Run mep mep-id
      
      The MEP is configured.
    6. Run remote-mep mep-idmep-id
      
      The remote MEP ID is configured.
    7. Run mep ccm-send enable
      
      The CCM transmission function is enabled.
    8. Run remote-mep ccm-receive [ mep-idmep-id ] enable
      
      The CCM reception function is enabled.
  2. Configure a test instance.
    1. On the receiving device of a PW where single-ended frame loss measurement will be implemented, run test-idtest-id [ testid-file ]mepmep-id [ peer-ippeer-ip [ vc-idvc-id ] ] [ descriptiondescription ]
      
      A test instance is configured on the device.
    2. On the transmitting device on a PW where single-ended frame loss measurement will be implemented, run test-id test-id [ testid-file ] mep mep-id [ mac mac-address | remote-mep mep-id ] [ peer-ip peer-ip [ vc-id vc-id ] ] [ description description ]
      
      A test instance is configured on the device.
  3. On the receiving device of a PW where single-ended frame loss measurement will be implemented, run loss-measure single-ended receivetest-idtest-id-value
    
    The LMM reception function is configured on the device.
  4. On the transmitting device of a PW where single-ended frame loss measurement will be implemented, run loss-measure single-ended send test-id test-id-value interval { 1000 | 10000 } count count-value
    
    On-demand single-ended frame loss measurement is configured for a PW.
  5. Run commit
    
    The configuration is committed.
- Configure on-demand single-ended frame loss measurement for an AC.
  1. Perform the following steps on the devices at both ends of an AC where single-ended frame loss measurement will be implemented:
    1. Run system-view
      
      The system view is displayed.
    2. Run cfm md md-name
      
      The MD view is displayed.
    3. Run ma ma-name
      
      The MA view is displayed.
    4. Perform the following steps on the devices where the MEPs reside:
      
      On the CE, run map vlan vlan-id
      The MA is bound to a VLAN.
      
      On the PE, run map vsi vsi-name
      
      The MA is bound to a VSI.
    5. Run mep mep-id
      
      The MEP is configured.
    6. Run remote-mep mep-id mep-id
      
      The remote MEP ID is configured.
    7. Run mep ccm-send enable
      
      The CCM transmission function is enabled.
    8. Run remote-mep ccm-receive [ mep-id mep-id ] enable
      
      The CCM reception function is enabled.
  2. Configure a test instance.
    1. On the receiving device of an AC where single-ended frame loss measurement will be implemented, run test-id test-id [ testid-file ] mep mep-id [ description description ]
      
      A test instance is configured on the device.
    2. On the transmitting device on an AC where single-ended frame loss measurement will be implemented, run test-id test-id [ testid-file ] mep mep-id [ mac mac-address | remote-mep mep-id ] [ description description ]
      
      A test instance is configured on the device.
  3. On the receiving device of an AC where single-ended frame loss measurement will be implemented, run loss-measure single-ended receivetest-id test-id-value
    
    The LMM reception function is configured on the device.
  4. Run commit
    
    The configuration is committed.
  5. On the transmitting device of an AC where single-ended frame loss measurement will be implemented, run loss-measure single-ended send test-id test-id-value interval { 1000 | 10000 } count count-value
    
    On-demand single-ended frame loss measurement is configured for an AC.
  6. Run commit
    
    The configuration is committed.
Configure proactive single-ended frame loss measurement.
1. Perform the following steps on the PEs at both ends of a PW where proactive single-ended frame loss measurement will be implemented:
  1. Run system-view
    
    The system view is displayed.
  2. (Optional) Run y1731 pm-mode enable
    
    Performance management (PM) to manage Y.1731 proactive performance statistics is enabled. PM saves the statistics to generated statistics files and then sends the files to the NMS.
  3. Run cfm md md-name
    
    The MD view is displayed.
  4. Run ma ma-name
    
    The MA view is displayed.
  5. Run map vsi vsi-name
    
    The MA is bound to a VSI.
  6. Run mep mep-id
    
    The MEP is configured.
  7. Run remote-mep mep-id mep-id
    
    The remote MEP ID is configured.
  8. Run mep ccm-send enable
    
    The CCM transmission function is enabled.
  9. Run remote-mep ccm-receive [ mep-id mep-id ] enable
    
    The CCM reception function is enabled.
  10. Configure the test instance.
    1. On the receiving device of a PW where single-ended frame loss measurement will be implemented:
      
      Run test-id test-id [ testid-file ] mep mep-id [ mac mac-address | remote-mep mep-id ] [ peer-ip peer-ip [ vc-id vc-id ] | 8021p 8021p-value ] [ description description ]
      
      A test instance is configured.
    2. On the transmitting device of a PW where single-ended frame loss measurement will be implemented:
      
      Run test-id test-id [ testid-file ] mep mep-id [ mac mac-address | remote-mep mep-id ] [ peer-ip peer-ip [ vc-id vc-id ] | 8021p 8021p-value ] [ description description ]
      
      A test instance is configured.
  11. (Optional) Run loss-measure single-ended local-ratio-threshold mep mep-id upper-limit upper-limit lower-limit lower-limit [ 8021p 8021p-value ]
    Upper and lower thresholds are set for the near-end frame loss rate in proactive single-ended frame loss measurement based on a specified MEP.
  12. (Optional) Run loss-measure single-ended local-ratio-threshold test-id test-id-value upper-limit upper-limit lower-limit lower-limit
    Upper and lower thresholds are set for the near-end frame loss rate in proactive single-ended frame loss measurement based on a specified test instance.
  13. (Optional) Run loss-measure single-ended remote-ratio-threshold mep mep-id upper-limit upper-limit lower-limit lower-limit [ 8021p 8021p-value ]
    Upper and lower thresholds are set for the far-end frame loss rate in proactive single-ended frame loss measurement based on a specified MEP.
  14. (Optional) Run loss-measure single-ended remote-ratio-threshold test-id test-id-value upper-limit upper-limit lower-limit lower-limit
    Upper and lower thresholds are set for the far-end frame loss rate in proactive single-ended frame loss measurement based on a specified test instance.
2. On the receiving device on a PW where proactive single-ended frame loss measurement will be implemented, run loss-measure single-ended receive test-id test-id-value
  
  The LMM reception function is configured on the device.
3. Run commit
  
  The configuration is committed.
4. On the transmitting device of a PW where proactive single-ended frame loss measurement will be implemented, run loss-measure single-ended continual send test-id test-id-value interval interval-value [ period period ]
  Proactive single-ended frame loss measurement is configured for a PW.
5. Run commit
  
  The configuration is committed.

Verifying the Configuration

Run the display y1731 statistic-type single-loss [ test-id test-id-value ] [ count count-value ] command on the device that initiates single-ended frame loss measurement to check statistics about single-ended frame loss.