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Theory and configuration upload (TCONT)

Created: Jul 17, 2021 09:16:24Latest reply: Feb 3, 2022 08:00:09 338 3 0 0 0
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Good Day Dear Community

Could you please help me in below issue:


When configuring the ONTs in PROFILE mode in the OLT , the ont-lineprofiles must be defined, in them the T-CONTs are defined (as I understand they represent a specific traffic classifier) associating them to some queues (DBA).

1.- Is the dba-profile what defines the type of traffic class of the tcont or when assigning a number to the tcont (tcont 4) are we defining a traffic class number 4?

2.- If ont-lineprofile-id 1 and ont-lineprofile-id 3 are being used in a network? If tcon 3 dba-profile-12 is defined in an ont-lineprofile-id 1 in ont-lineprofile-id 3 it must also be dba-profile-12 or nothing happens if another queue is defined?

3.- All the traffic of all the ONTs that have, for example, tcont 4, do they go to the same OLT queue or even if they have the same number tcon 4 but different dba configuration, a queue is created for each dba that defines those tcont and the number is only used as an identifier within the lineprofile?

4.-Is the following configuration that I put in which tcont 3 is used with different dba-profile-id correct?


Example configuration:

ont-lineprofile gpon profile-id 1 profile-name "Profile01" fec
-upstream enable
tcont 0 dba-profile-id 2
tcont 1 dba-profile-id 10
tcont 2 dba-profile-id 11
tcont 3 dba-profile -id 12
gem add 1 eth tcont 1
gem add 2 eth tcont 2
gem add 3 eth tcont 3
gem mapping 1 0 vlan 210
gem mapping 2 0 vlan 211
gem mapping 3 0 vlan 212
commit
quit
ont-lineprofile gpon profile-id 2 profile -name "Profile02" fec
-upstream enable
tcont 0 dba-profile-id 2
tcont 1 dba-profile-id 10
tcont 2 dba-profile-id 11
tcont 3 dba-profile-id 13
gem add 1 eth tcont 1
gem add 2 eth tcont 2
gem add 3 eth tcont 3
gem mapping 1 0 vlan 210
gem mapping 2 0 vlan 211
gem mapping 3 0 vlan 212
commit

ont-lineprofile gpon profile-id 3 profile-name "Profile03" fec
-upstream enable
tcont 0 dba-profile-id 2
tcont 1 dba-profile-id 10
tcont 3 dba-profile-id 14
gem add 1 eth tcont 1
gem add 2 eth tcont 2
gem mapping 1 0 vlan 210
gem mapping 2 0 vlan 211
commit
quit

dba-profile add profile-id 12 profile-name "VO_1" type5 fix 128 assure 128 max 2048 additional-bandwidth best-effort
dba-profile add profile-id 13 profile-name "VO_2" type5 fix 128 assure 256 max 2048 additional-bandwidth best-effort
dba-profile add profile-id 14 profile-name "NET_25" type4 max 21504

 

If anyone can shed some light on me, I will be grateful.

Thanks in advance.

 


Featured Answers
tubaboraka
MVE Author Created Feb 3, 2022 08:00:09

Configuration of a GPON ONT profile (Profile mode).

In distributed mode, GPON ONT profiles include GPON ONT Capability Profile and GPON ONT Alarm Profile. In profile mode, GPON ONT profiles include DBA profile, line profile, services profile and alarm profile.

I share the following link on how you should configure these profiles, with configuration examples.

https://support.huawei.com/enterprise/en/doc/EDOC1100055646/2d34d8fe/configuring-a-gpon-ont-profile-profile-mode

The GPON ONT profiles contain the necessary parameters to configure the GPON access service, of which,

DBA profiles specify the GPON traffic parameters. The DBA profile linked to an OLT allows the OLT to dynamically allocate bandwidths, improving upstream bandwidth utilization.

In profile mode, the line profile is mainly used to configure the DBA port, T-CONT and GEM related information. The service profile is used to configure the actual ONT capacity and service-related parameters. The line profile is mandatory and the service profile is optional and depends on the requirements of the service. Set the related attributes in the line profile mode and services profile mode, and directly bind the ONT to the line profile and services profile.

The GPON ONT alarm profile provides a series of alarm threshold parameters that are used to measure performance and monitor activated ONU lines. After a GPON alarm profile is bound to an ONU, the ONU sends alarms to the logging host and NMS if the line performance statistics exceed the threshold specified in the profile.

I hope that the information provided will be useful for your doubts, please let me know if it was useful and your doubts were resolved.

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Recommended answer

Nino_Chou
Admin Created Jul 17, 2021 11:37:58

Hi friend.


Q1: In the dynamic bandwidth assignment (DBA) profile, the upstream access bandwidth of the ONU is defined. The device dynamically adjusts the upstream access bandwidth allocated to the ONU according to the upstream access bandwidth requirements of the ONU.

The T-CONT is the physical resources of the ONT. A T-CONT can allocate bandwidth only after it is bound to a DBA profile. After a T-CONT is successfully bound to a DBA profile, the T-CONT can provide flexible dynamic bandwidth allocation solutions based on different settings of the DBA profile. In the GPON ONT line profile, you can only configure a T-CONT but do not bind the T-CONT to a DBA profile


Q2: You can bind T-CONT 0 (the default configuration) to another DBA profile, but cannot unbind T-CONT 0 from the DBA profile.


Q3:For more information about T-CONT and DBA profile configurations, visit: tcont


Q4: Reply after verification is required.


Thanks.

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Hi friend.


Q1: In the dynamic bandwidth assignment (DBA) profile, the upstream access bandwidth of the ONU is defined. The device dynamically adjusts the upstream access bandwidth allocated to the ONU according to the upstream access bandwidth requirements of the ONU.

The T-CONT is the physical resources of the ONT. A T-CONT can allocate bandwidth only after it is bound to a DBA profile. After a T-CONT is successfully bound to a DBA profile, the T-CONT can provide flexible dynamic bandwidth allocation solutions based on different settings of the DBA profile. In the GPON ONT line profile, you can only configure a T-CONT but do not bind the T-CONT to a DBA profile


Q2: You can bind T-CONT 0 (the default configuration) to another DBA profile, but cannot unbind T-CONT 0 from the DBA profile.


Q3:For more information about T-CONT and DBA profile configurations, visit: tcont


Q4: Reply after verification is required.


Thanks.

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tubaboraka
tubaboraka MVE Author Created Feb 3, 2022 08:00:09

Configuration of a GPON ONT profile (Profile mode).

In distributed mode, GPON ONT profiles include GPON ONT Capability Profile and GPON ONT Alarm Profile. In profile mode, GPON ONT profiles include DBA profile, line profile, services profile and alarm profile.

I share the following link on how you should configure these profiles, with configuration examples.

https://support.huawei.com/enterprise/en/doc/EDOC1100055646/2d34d8fe/configuring-a-gpon-ont-profile-profile-mode

The GPON ONT profiles contain the necessary parameters to configure the GPON access service, of which,

DBA profiles specify the GPON traffic parameters. The DBA profile linked to an OLT allows the OLT to dynamically allocate bandwidths, improving upstream bandwidth utilization.

In profile mode, the line profile is mainly used to configure the DBA port, T-CONT and GEM related information. The service profile is used to configure the actual ONT capacity and service-related parameters. The line profile is mandatory and the service profile is optional and depends on the requirements of the service. Set the related attributes in the line profile mode and services profile mode, and directly bind the ONT to the line profile and services profile.

The GPON ONT alarm profile provides a series of alarm threshold parameters that are used to measure performance and monitor activated ONU lines. After a GPON alarm profile is bound to an ONU, the ONU sends alarms to the logging host and NMS if the line performance statistics exceed the threshold specified in the profile.

I hope that the information provided will be useful for your doubts, please let me know if it was useful and your doubts were resolved.

View more
  • x
  • convention:

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