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Network Management and Monitoring Guide
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Configure Two-Way Ethernet Frame Delay Measurements on Switches (CLI Procedure)

date_range 24-Nov-23

Ethernet frame delay measurement is a useful tool for providing performance statistics or supporting or challenging service-level agreements (SLAs). You can configure the frame delay measurements in either a one-way mode or a two-way (round-trip) mode to gather frame delay statistics. For one-way Ethernet frame delay measurement, clocks at the local and remote MEPs need to be synchronized. However, clock synchronization is not required for two-way Ethernet frame delay measurement.

Before you begin configuring two-way Ethernet frame delay measurements on two EX Series switches, ensure that you have:

  • Configured Operation, Administration, and Maintenance (OAM) connectivity fault management (CFM) correctly on both the switches

To configure two-way Ethernet frame delay measurements:

  1. Configure the maintenance domain, maintenance association, and MEP ID on both the switches.
  2. From either switch, start a two-way Ethernet frame delay measurement:
    content_copy zoom_out_map
    user@switch> monitor ethernet delay-measurement  maintenance-domain md-name  maintenance-association ma-name  two-way mep remote-mep-id count count wait time

You can view the result on the other switch:

content_copy zoom_out_map
user@switch> show oam ethernet connectivity-fault-management delay-statistics maintenance-domain md-name  maintenance-association ma-name local-mep mep-id remote-mep mep-id
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