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authorSimone Bortolin <simonebortolin@users.noreply.github.com>2022-08-13 12:09:21 +0200
committerSimone Bortolin <simonebortolin@users.noreply.github.com>2022-12-19 23:05:01 +0100
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tree8808dd4ff42bad8ef9dad9cee73be15fbd0bc2c8
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-rw-r--r--gpon-auth.md27
1 files changed, 19 insertions, 8 deletions
diff --git a/gpon-auth.md b/gpon-auth.md
index acf37c9..0ceab3f 100644
--- a/gpon-auth.md
+++ b/gpon-auth.md
@@ -3,19 +3,20 @@ title: GPON Auth
has_children: false
nav_order: 4
description: ONU Online Status
+parent: Quick Start
---
# GPON Status: Ox
The process for an ONU to go online unconfigured involves five states:
-- **O1 Initial:** the OLT sends a message to the ONU to start the ONU, and the ONU enters the standby state;
-- **O2 Standby:** After receiving the message, the ONU extracts the delimiter value, power level, and pre-allocated compensation delay from the message, and adjusts its configurations accordingly to support subsequent information exchange.
-- **O3 Serial number:** The OLT sends a serial number (SN) request to the ONU. The ONU sends its SN to the OLT. After receiving the SN of the ONU, the OLT allocates a temporary ONU ID to the ONU.
-- **O4 Ranging:** The OLT sends a ranging request to the ONU. After receiving the ranging request from the OLT, the ONU responds with a message carrying its SN and ONU ID. The OLT calculates the compensation delay and sends it to the ONU in a message. After receiving the message, the ONU sets the compensation delay accordingly.
-- **O5 Operation:** The OLT sends a password request to the ONU. The ONU returns a password to the OLT.
-- **O6 Intermittent LODS state.**
-- **O7 Emergency Stop state.**
+- **`O1` Initial:** the OLT sends a message to the ONU to start the ONU, and the ONU enters the standby state;
+- **`O2` Standby:** After receiving the message, the ONU extracts the delimiter value, power level, and pre-allocated compensation delay from the message, and adjusts its configurations accordingly to support subsequent information exchange.
+- **`O3` Serial number:** The OLT sends a serial number (SN) request to the ONU. The ONU sends its SN to the OLT. After receiving the SN of the ONU, the OLT allocates a temporary ONU ID to the ONU.
+- **`O4` Ranging:** The OLT sends a ranging request to the ONU. After receiving the ranging request from the OLT, the ONU responds with a message carrying its SN and ONU ID. The OLT calculates the compensation delay and sends it to the ONU in a message. After receiving the message, the ONU sets the compensation delay accordingly.
+- **`O5` Operation:** The OLT sends a password request to the ONU. The ONU returns a password to the OLT.
+- **`O6` Intermittent LODS state.**
+- **`O7` Emergency Stop state.**
The password is not configured on the OLT. If the automatic discovery function is enabled on the PON port of the OLT, the OLT reports an ONU auto-discovery alarm to the CLI or NMS. The ONU goes online normally only after being confirmed.
@@ -24,7 +25,7 @@ graph TD
O1[O1 Initial state] -->|Downstream Synchronization attained| O2[O2-03 Standby-Serial number]
O2 -->|Assign ONU-ID Ploam and Equalization delay assigned| O4[O4 Ranging State]
O4 -->|Ranging Time PLOAM and Equalization delay assigned| O5[O5 Operation]
- O5 & O4 & O2 --->|Loss of downstream syncronizzation| O6[O6 Intermittent LODS state]
+ O5 & O4 & O2 -->|Loss of downstream syncronizzation| O6[O6 Intermittent LODS state]
O2 ---->|Disable S/N Request| O7[O7 Emergency stop state]
O2 -->|Broadcast deactivate ONU-ID Request| O1
O4 --->|TO1 time expires| O2
@@ -34,3 +35,13 @@ graph TD
O6 -->|Downstream Synchronization restored| O5
O5 & O4 ---->|Deactive ONU-ID Request| O1
```
+
+# Fake O5 Status
+
+This known issue with Alcatel/Nokia OLT giving fake `O5` ONU Status, OLT will hold OMCI Provisioning until correct OMCI Information
+
+It happens when the OLT detects that the ONT is `drunk`. And try to update the firmware before opening the GEM link. One must try to change the software version or other data.
+
+- [The Process for an ONU to go Online](https://forum.huawei.com/enterprise/en/the-process-for-an-onu-to-go-online-gpon-technical-posts-12/thread/462895-100181)
+- [What’s the Authentication of GPON](http://zhangjorna.blogspot.com/2016/05/whats-authentication-of-gpon.html)
+- [`O5` No Internet](https://github.com/Anime4000/RTL960x/blob/main/Docs/fakeO5.md) \ No newline at end of file