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Analysis of Type B Networ...

Analysis of Type B Networking Problems on MA5800

Created: Dec 17, 2021 08:11:14Latest reply: Dec 17, 2021 15:20:45 144 3 0 0 0
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Hi, Huawei team!


Huawei OLT MA5800 is used and type B networking protection is configured.

Analyze the logs. Why are some PON ports switched to the standby OLT in type B dual-homing protection group due to the power reset caused by the ONU going offline?

Please help with the answer.


Thanks.

MA5800

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Nino_Chou
Admin Created Dec 17, 2021 08:12:14

Hi friend.

After all ONTs connected to a single PON port are powered off, the active and standby OLT PON ports check the ONT online status within a fixed period of time.


If the active PON port detects that the ONT is online for the first time, the active PON port becomes the active port. The standby PON port first detects that the ONT goes online, and the standby PON port becomes the active port.


When all ONTs on a PON port is powered off, type B dual-homing protection cannot ensure that all ONTs can go online only through the active OLT.


I hope I can help you! 

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kunthea
kunthea Created Dec 18, 2021 06:14:43 (0) (0)
good  
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Nino_Chou
Nino_Chou Admin Created Dec 17, 2021 08:12:14

Hi friend.

After all ONTs connected to a single PON port are powered off, the active and standby OLT PON ports check the ONT online status within a fixed period of time.


If the active PON port detects that the ONT is online for the first time, the active PON port becomes the active port. The standby PON port first detects that the ONT goes online, and the standby PON port becomes the active port.


When all ONTs on a PON port is powered off, type B dual-homing protection cannot ensure that all ONTs can go online only through the active OLT.


I hope I can help you! 

View more
  • x
  • convention：

kunthea
kunthea Created Dec 18, 2021 06:14:43 (0) (0)
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Unicef
Unicef MVE Created Dec 17, 2021 15:20:45

Good answer
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