3G modem problems

[Marius Gedminas]

On Fri, Jan 04, 2008 at 11:06:28AM +1030, Tony Bazeley wrote:
> I am having trouble connecting a 3G modem.
> The particular usb modem (BP3-EXT) is supplied in Australia through 
> Telstra, who refuse to support Linux.
> 
> There has been some excellent work on this problem (especially 
> http://quozl.linux.org.au/bp3-usb/) and people have reported successful 
> connections.
> I have been able to follow this work to connect to the modem but there 
> seems to be some sort of block.
> 
> I quite new to Linux, ppp and modem connections and have pasted my 
> connection attempt below.
> The connection seems to progress OK, until negotiations about 
> compression commence.
> 
> I would be extremely grateful for any advice on how to proceed.
...
> john at laptop:~$ sudo pppd noauth nodetach /dev/ttyUSB1 user '' connect 
...
> sent [CCP ConfReq id=0x1 <deflate 15> <deflate(old#) 15> <bsd v1 15>]
> sent [IPCP ConfReq id=0x1 <compress VJ 0f 01> <addr 0.0.0.0> <ms-dns1 0.0.0.0> <ms-dns3 0.0.0.0>]
> rcvd [LCP ProtRej id=0x13 80 fd 01 01 00 0f 1a 04 78 00 18 04 78 00 15 03 2f]
> Protocol-Reject for 'Compression Control Protocol' (0x80fd) received
> rcvd [IPCP ConfNak id=0x1 <ms-dns1 10.11.12.13> <ms-dns3 10.11.12.14> <ms-wins 10.11.12.13> <ms-wins 10.11.12.14>]

Try to disable Compression  Control Protocol negotiation with noccp:

  john at laptop:~$ sudo pppd noauth noccp nodetach /dev/ttyUSB1 user '' connect 

Marius Gedminas
-- 
Windows 98: Not Plug & Play, but Bug & Pay!
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