Shahed Israr

Shahed Israr is a Network Engineer specializing in GPON, FTTH, and telecom access network technologies. With hands-on experience in Huawei OLT and ONT configuration, U2000 NMS deployment, iMaster NCE-FAN Lite management systems, firmware upgrades, and advanced network troubleshooting, he helps Internet Service Providers (ISPs) and network professionals deploy, manage, and optimize fiber optic networks efficiently. Through GPON Solution, he shares practical technical guides, real-world solutions, and professional knowledge to support engineers working in modern GPON infrastructure.

Illegal rogue ONT existent on a pon port

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Illegal rogue ONT existent on a PON port:

If Illegal rogue ONT existent on a pon port then what happened? Also what is a rogue ONT and how to prevent such an rogue ONT?
If an ONT transmits optical signals to upstream at a timestamp that is not assigned to it, it is called a continuous-mode ONT. Such an ONT is also call the rogue ONT, which transmits optical signals at any time.

When a rogue ONT exists:

  • If the rogue ONT is online, one or all of the other ONTs connected to the same PON port on the OLT go offline or go online and offline frequently.
  • If the rogue ONT is not configured, the other ONTs that are not configured will fail to be automatically discovered.

To prevent that issue Enable rogue ONT detection on the OLT. A rogue ONT will be isolated after being detected.

Problem analysis:

If you got below alarm then you will understand, a rogue ONU exists on OLT PON port.

  • The 0x2e314021 There are illegal incursionary rogue ONTs under the port alarm is generated on the OLT.
  • The 0x2e314022 The ONT is rogue ONT alarm is generated on the OLT.

Illegal rogue ONT

With the following command you can see if a specific port has or not a Rogue ONT:

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Huawei ONT Wi-Fi Configure by U2000 NMS

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Huawei ONT Wi-Fi Configure by U2000 This section describes how Huawei ONT Wi-Fi Configure through NMS (U2000). [boxads] Prerequisites The user has the operator authority or higher to configure ONT Wi-Fi. The OLT and the NMS communicate with each other properly. NMS is able to discover an online ONT and Internet access services are configured. … Read more

Huawei ONT User Password for HG & EG Series ONT

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Huawei ONT User Password for HG & EG Series ONT Default settings: Administrator (installation and maintenance personnel): EG Series： User name: Epadmin Password: adminEp HG Series： User name: telecomadmin Password: admintelecom Common user (terminal user): EG Series： User name: Epuser Password: userEp HG Series： User name: root Password: admin NOTE: The common user account can … Read more

GPON, XG-PON, XGS-PON What is the difference?

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GPON, XG-PON, XGS-PON, What is the difference? XG-PON, 10-Gigabit-capable passive optical network, provides asymmetric 10G GPON transmission (Maximum downstream line rate: 9.953 Gbit/s, Maximum upstream line rate: 2.488 Gbit/s ). XGS-PON, 10-Gigabit-capable symmetric passive optical network, provides symmetric 10G GPON transmission (Maximum downstream line rate: 9.953 Gbit/s, Maximum upstream line rate: 9.953 Gbit/s ). [boxads] … Read more

Huawei ONT Naming Rules

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Huawei ONT Naming Rule: This post describe how Huawei ONT each model name provide with its specification. Product examples: HG8247H: The upstream transmission mode of this ONT is GPON or EPON. It has 2 voice ports and 4 LAN ports (GE ports). It supports USB, CATV, and Wi-Fi. Overall naming rule: 2 letters+4 digits+(optional) 2 suffixes … Read more

GPON SOLUTION Support Price List

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GPON SOLUTION Support Price List: GPON SOLUTION is not a Company, It is a personal website. It is my Freelancing Job. I provide par-time logical support about GPON Technology like OLT/ONT Configure support by CLI & NMS, Huawei OLT Unlock, U2000/iMaster NCE-FAN Lite NMS install etc. Below are the GPON SOLUTION Support Price List: Huawei OLT … Read more