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Configuration Guide - Reliability

S2720, S5700, and S6720 V200R013C00

This document describes the configurations of Reliability, including BFD Configuration, VRRP Configuration, DLDP Configuration, Smart Link and Monitor Link Configuration, MAC Swap Loopback Configuration, EFM Configuration, CFM Configuration, Y.1731 Configuration.
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Configuring Two-way Frame Delay Measurement

Configuring Two-way Frame Delay Measurement

Context

  • To measure the two-way frame delay at a time or a specific number of times, use the on-demand mode.

  • To measure the two-way frame delay periodically, use the proactive mode.

NOTE:
Before configuring two-way frame delay measurement based on test instances, perform the following configurations:
  1. Run the set service-mode command in the system view to configure the device to work in enhanced mode.
  2. Run the cfm version standard command in the system view to configure the Ethernet CFM version as IEEE Standard 802.1ag-2007.

When you configure multiple test instances in the same MA view, the REMPs of the local MEP must be different switches.

Procedure

  • Configure on-demand two-way frame delay measurement.

    1. Perform the following operations on the MEP and RMEP.

      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. Run map vlan vlan-id

        The MA is bound to a VLAN.

      5. Run mep mep-id mep-id interface interface-type interface-number [ pe-vid pe-vid ce-vid ce-vid ] { inward | outward }

        The MEP is configured.

      6. Run remote-mep mep-id mep-id [ mac mac-address ]

        The remote MEP ID is configured.

      7. Run mep ccm-send [ mep-id mep-id ] enable

        The CCM transmission function is enabled.

      8. Run remote-mep ccm-receive [ mep-id mep-id ] enable

        The CCM reception function is enabled.

      9. (Optional) Run delay-measure two-way threshold threshold-value

        The alarm threshold for two-way frame delay measurement is set.

    2. On the receiver RMEP, run delay-measure two-way receive mep mep-id

      Table 9-4  Enabling the DMM frame reception function
      Scenario Procedure
      Point-to-point scenario

      Performance statistics collection not based on a test instance:

      Run delay-measure two-way receive mep mep-id

      The receiver is enabled to receive DMMs.

      Performance statistics collection based on a specified test instance:

      1. Run test-id test-id mep mep-id { remote-mep mep-id } [ 8021p 8021p-value ] [ description description ]

        A test instance is configured.

      2. Run delay-measure two-way receive test-id test-id

        The receiver is enabled to receive DMMs.

      Point-to-multipoint scenario
      1. Run test-id test-id mep mep-id { remote-mep mep-id } [ 8021p 8021p-value ] [ description description ]

        A test instance is configured based on RMEPs.

      2. Run delay-measure two-way receive test-id test-id

        The receiver is enabled to receive DMMs.

    3. On the initiator MEP, run delay-measure two-way send mep mep-id { mac mac-address | remote-mep mep-id } interval { 1000 | 10000 } count count-value

      Table 9-5  Enabling the DMM frame send function
      Scenario Procedure
      Point-to-point scenario

      If the size or priority of outgoing DMMs needs to be specified, configure statistics collection based on a specified test instance.

      Performance statistics collection not based on a test instance:

      Run delay-measure two-way send mep mep-id { mac mac-address | remote-mep mep-id } interval { 1000 | 10000 } count count-value

      Two-way frame delay measurement is configured in a VLAN.

      Performance statistics collection based on a specified test instance:

      1. Run test-id test-id mep mep-id { remote-mep mep-id } [ 8021p 8021p-value ] [ description description ]

        A test instance is configured.

      2. Run delay-measure two-way send test-id test-id interval { 1000 | 10000 } count count [ packet-size packet-size ]

        Two-way frame delay measurement is configured in a VLAN.

      Point-to-multipoint scenario
      1. Run test-id test-id mep mep-id { remote-mep mep-id } [ 8021p 8021p-value ] [ description description ]

        A test instance is configured based on RMEPs.

      2. Run delay-measure two-way send test-id test-id interval { 1000 | 10000 } count count [ packet-size packet-size ]

        Two-way frame delay measurement is configured in a VLAN.

      VLAN-specific two-way frame delay measurement is implemented based on an RMEP ID or destination MAC address:
      • If the local MEP has not learnt the MAC address of the RMEP, specify the RMEP destination MAC address before implementing two-way frame delay measurement.

      • If the local MEP has learnt the MAC address of the RMEP, specify the RMEP ID before implementing two-way frame delay measurement.

  • Configure proactive two-way frame delay measurement.

    1. Perform the following operations on the MEP and RMEP.

      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. Run map vlan vlan-id

        The MA is bound to a VLAN.

      5. Run mep mep-id mep-id interface interface-type interface-number [ pe-vid pe-vid ce-vid ce-vid ] { inward | outward }

        The MEP is configured.

      6. Run remote-mep mep-id mep-id [ mac mac-address ]

        The remote MEP ID is configured.

      7. Run mep ccm-send [ mep-id mep-id ] enable

        The CCM transmission function is enabled.

      8. Run remote-mep ccm-receive [ mep-id mep-id ] enable

        The CCM reception function is enabled.

      9. (Optional) Run delay-measure two-way threshold threshold-value

        The alarm threshold for two-way frame delay measurement is set.

    2. On the receiver RMEP, run delay-measure two-way receive mep mep-id

      Table 9-6  Enabling the DMM frame reception function
      Scenario Procedure
      Point-to-point scenario

      Performance statistics collection not based on a test instance:

      Run delay-measure two-way receive mep mep-id

      The receiver is enabled to receive DMMs.

      Performance statistics collection based on a specified test instance:

      1. Run test-id test-id mep mep-id { remote-mep mep-id } [ 8021p 8021p-value ] [ description description ]

        A test instance is configured.

      2. Run delay-measure two-way receive test-id test-id

        The receiver is enabled to receive DMMs.

      Point-to-multipoint scenario
      1. Run test-id test-id mep mep-id { remote-mep mep-id } [ 8021p 8021p-value ] [ description description ]

        A test instance is configured based on RMEPs.

      2. Run delay-measure two-way receive test-id test-id

        The receiver is enabled to receive DMMs.

    3. On the initiator MEP, run delay-measure two-way continual send mep mep-id { mac mac-address | remote-mep mep-id } interval 30000

      Table 9-7  Enabling the DMM frame reception function
      Scenario Procedure
      Point-to-point scenario

      If the size or priority of outgoing DMMs needs to be specified or there is the high requirement on the detection accuracy, configure statistics collection based on a specified test instance.

      Performance statistics collection not based on a test instance:

      Run delay-measure two-way continual send mep mep-id { mac mac-address | remote-mep mep-id } interval 30000

      Proactive two-way frame delay measurement is configured in a VLAN.

      Performance statistics collection based on a specified test instance:

      1. Run test-id test-id mep mep-id { remote-mep mep-id } [ 8021p 8021p-value ] [ description description ]

        A test instance is configured.

      2. Run delay-measure two-way continual send test-id test-id interval { 1000 | 10000 | 15000 | 30000 } [ packet-size packet-size ]

        Proactive two-way frame delay measurement is configured in a VLAN.

      Point-to-multipoint scenario
      1. Run test-id test-id mep mep-id { remote-mep mep-id } [ 8021p 8021p-value ] [ description description ]

        A test instance is configured.

      2. Run delay-measure two-way continual send test-id test-id interval { 1000 | 10000 | 15000 | 30000 } [ packet-size packet-size ]

        Proactive two-way frame delay measurement is configured in a VLAN.

      VLAN-specific two-way frame delay measurement is implemented based on an RMEP ID or destination MAC address:
      • If the local MEP has not learnt the MAC address of the RMEP, specify the RMEP destination MAC address before implementing two-way frame delay measurement.

      • If the local MEP has learnt the MAC address of the RMEP, specify the RMEP ID before implementing two-way frame delay measurement.

    4. (Optional) Configure thresholds for two-delay measurement based on a test instance on both devices.

      • Run the delay-measure two-way delay-threshold test-id test-id upper-limit upper-limit lower-limit lower-limit command to configure delay thresholds.

      • Run the delay-measure two-way variation-threshold test-id test-id upper-limit upper-limit lower-limit lower-limit command to configure variation thresholds.

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Updated: 2019-04-04

Document ID: EDOC1100065682

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