Encontre esta informacion en ingles sobre el cantado "bpi" espero sirva de algo+----------------------------------------------------------------------------------------------------------------------------------------------------------------+
Well since this is lost inside a few topics around I added these telnet commands here:
To disable BPI+, skipping the cert verification so you can get online with any mac:
Telnet into your modem, do this by typing telnet 192.168.100.1 into a dos shell (make sure you enabled the telnet daemon if your firmware has this option).
Note: if its asking for a password you may check out the firmware page (sigma x2/stealth edition). For Ambit250 its usually user:admin pw:infinite (if you did not change).
Sigma X2 / FERCSA Stealth Build / Ambit 250
CODE
cd n
cd d
enable bpi true
bpi_version 0
write
SigmaX 1.06
CODE
cd n
cd d
enable bpi true
bpi_version 0
UpdateSettings
And its ready! You will need to restart the modem in order for these changes to take effect (the CM needs to re-register with the CMTS).
Happy Hacking!!
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Enable Bpi for 1.0
This setting is used to enable standard bpi on a network where bpi+ is being used. In short, it tricks the bpi server which is expecting bpi+ settings, all the server does is make sure that bpi is enabled it doesnt really check the version as it assumes it is set in the configuration file.
cd non-vol
cd docsis
bpi_version 0
write
cd ..
cd ..
Disable Bpi
This is used to disable bpi altogether. This sometimes works when the above doesnt.
cd non-vol
cd docsis
enable bpi false
write
cd ..
cd ..
If the above doesnt work try this as garyopa has mentioned.
cd non-vol
cd docsis
enable BPI false
write
bpi_version 0
enable BPI true
write
This should help you differintiate between the two settings.