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GPON ONU Profile Match state is Mismatch

An ONU connected to a GPON port of an OLT can go online successfully, but the queried Match state of the ONU is displayed as mismatch by running the display ont info command on the OLT.

The ONU matching status indicates whether the actual ONU capability is the same as the service profile bound to the ONU. The status includes: initial, mismatch, and match. To some extent, the matching status is determined by the ONU running status and configuration status.

  • The matching status of the ONU can be queried only when the ONU running status is online. The matching status is match when the actual hardware capability of ONU is the same as the ONU service profile bound with the ONU. Otherwise, the status is mismatch.
  • In other configuration states, the matching status is initial.
  • The ONU matching status does not affect the normal forwarding of the service flow, and only indicates whether the actual ONU capability is the same as the service profile bound to the ONU.

In practice, ONUs in the offline state are bulk pre-configured on the OLT to facilitate service provisioning. An ONU service profile and an ONU line profile are specified during such configurations. The ONU profiles together can be regarded as a virtual ONU. Subsequent services are configured based on this virtual ONU. Inconsistency between the capability set configured in the ONU profiles and the actual ONU capabilities involves the following two situations:

  • The configured capability set outmatches the actual ONU capabilities. If the ONU is bound to such ONU profiles, ONU configurations will fail to match when the ONU goes online.
  • The configured capability set undermatches the actual ONU capabilities. In this case, the ONU capabilities that are not covered by the ONU profiles will fail to be configured or applied.

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When the queried Match state of the ONU is displayed as mismatch, check whether the capability set configured in the ONU service profile matches the actual ONU capabilities.

Run the display ont capability command to query the actual ONU capabilities. According to the data plan, modify the current ONU profiles, or bind matching ONU profiles to the ONU.

If this problem occurs on all the ONUs of the same type, the configurations of the ONU profiles may be incorrect.

  • If the OLT works in the distributed mode, the profiles that are bound to the ONU cannot be modified or deleted. In this case, bind matching ONU profiles to the ONU.
  • If the OLT works in the profile mode:
    1. Run the display ont-srvprofilecommand to query the information about the ONU service profile and run the display ont-lineprofile command to query the information about the ONU line profile.
    2. Modify the ONU profiles by referring to Configuring a GPON ONT Profilein the Commissioning and Configuration Guide.

Run the display ont capability command to query the actual ONU capabilities. According to the data plan, modify the current ONU profiles, or bind matching ONU profiles to the ONU.

If this problem occurs on only one ONU, it is suggested to bind matching ONU profiles to the ONU.

  • If the OLT works in the distributed mode:
    1. Run the display ont-profilecommand to query the current ONU profiles that are configured on the OLT.
    2. If the OLT does not have matching ONU profiles, run the ont-profile addcommand to add matching ONU profiles.
    3. Run the ont modifycommand to bind the ONU profiles to the ONU.
  • If the OLT works in the profile mode:
    1. Run the display ont-srvprofilecommand to query the information about the ONU service profile and run the display ont-lineprofile command to query the information about the ONU line profile.
    2. If the OLT does not have matching ONU profiles, add matching ONU profiles by referring to Configuring a GPON ONT Profilein the Commissioning and Configuration Guide.
    3. In the GPON mode of the OLT, run the ont modifycommand to bind the ONU profiles to the ONU.

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