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Hack GPON 🏳️‍🌈

Hardware Specifications

   
Vendor/Brand CarlitoxxPro
Model CPGOS03-0490 v2
Chipset Realtek RTL9601CI
Flash 8 MB
RAM 64 MB
System Linux (Luna SDK)
HSGMII No
Optics SC/APC
IP address  
Web Gui ✅ user cpAdmin, password cpAdmin
SSH  
Telnet ✅
Serial  
Form Factor miniONT SFP

Known Bugs

  • VLAN swap issue (MEID 171), auto-sensing mode to switch between SGMII/HiSGMII

  • You should use the VID/VLAN shown by executing the command omcicli mib get 84 via telnet to bring up PPPoE

Useful files and binaries

Useful files

  • /var/config/lastgood.xml - Contains the user portion of the configuration

  • /tmp/omcilog - OMCI messages logs (must be enabeled, see below)

Useful binaries

  • flash - Used to manipulate the config files in a somewhat safe manner
  • xmlconfig - Used for low-level manipulation of the XML config files. Called by flash
  • nv - Used to manipulate nvram storage, including persistent config entries via nv setenv/nv getenv
  • omcicli - Used to interact with the running OMCI daemon
  • omci_app - The OMCI daemon
  • diag - Used to run low-level diagnostics commands on the stick

GPON ONU status

Get the operational status of the ONU 

diag gpon get onu-state

Querying a particular OMCI ME 

# omcicli mib get MIB_IDX

GPON/OMCI settings

Getting/Setting ONU GPON Serial Number 

# flash get GPON_SN
GPON_SN=TMBB00000000
# flash set GPON_SN TMBB0A1B2C3D

Getting/Setting ONU GPON PLOAM password 

# flash get GPON_PLOAM_PASSWD
GPON_PLOAM_PASSWD=AAAAAAAAAA
# flash set GPON_PLOAM_PASSWD AAAAAAAAAA
# flash set GPON_PLOAM_PASSWD 41414141414141414141

Getting/Setting OMCI software version (ME 7) 

# nv setenv sw_custom_version0 YOURFIRSTSWVER
# nv setenv sw_custom_version1 YOURSECONDSWVER

Getting/Setting OMCI hardware version (ME 256) 

# flash get HW_HWVER
HW_HWVER=V2.0
# flash set HW_HWVER MYHWVERSION

Getting/Setting OMCI vendor ID (ME 256) 

# flash get PON_VENDOR_ID  
PON_VENDOR_ID=ZTEG
# flash set PON_VENDOR_ID HWTC

Getting/Setting OMCI equipment ID (ME 257) 

# flash get GPON_ONU_MODEL
GPON_ONU_MODEL=DFP-34X-2C2
# flash set GPON_ONU_MODEL DFP-34X-XXX

Getting/Setting OMCI OLT Mode and Fake OMCI

Configure how ONT Stick handle OMCI from OLT:

# flash get OMCI_OLT_MODE
OMCI_OLT_MODE=1
# flash set OMCI_OLT_MODE 2
Value Note OMCI Information
0 Default Mode Stock, some value are cannot be change
1 Huawei OLT Mode Huawei MA5671a
2 ZTE OLT Mode ZTE
3 Customized Mode Custom Software/Hardware Version, OMCC, etc…

Some Fiber Vendor/Wholesale/ISP have explicit LAN Port Number provisioning or proprietary OMCI that ONT Stick cant not understand, this will make ONT Stick reply OK whatever OMCI OLT throw at.

0 = Disable, 1 = Enable, Default is 0

# flash get OMCI_FAKE_OK
OMCI_FAKE_OK=0
# flash set OMCI_FAKE_OK 1

Advanced settings

Setting management IP 

# flash get LAN_IP_ADDR
LAN_IP_ADDR=192.168.2.1
# flash set LAN_IP_ADDR 192.168.1.1

Getting/Setting the L2 Bridge MTU

Getting/Setting the MTU of the L2 bridge

# diag switch get max-pkt-len port all 
Port Speed 
---------- 
0 1538 
2 2031 
# diag switch set max-pkt-len port all length 2000

Checking the currently active image 

# nv getenv sw_active
sw_active=1
# nv getenv sw_version0
sw_version0=V1_7_8_210412
# nv getenv sw_version1
sw_version1=V1_7_8_210412

Booting to a different image 

# nv setenv sw_commit 0|1
# reboot

Miscellaneous Links