GPRS unreliable: long lasting connection fail

[Niccolo Rigacci]

On Mon, Jan 12, 2009 at 06:07:45AM -0800, bytestore wrote:
> 
> lcp-echo-interval 3
> lcp-echo-failure 12
> ipcp-restart 10
> persist
> holdoff 15

I suggest you the "maxfail 0", if chat fails you get only 10 
tries. 

This is mine:

...
lcp-echo-interval 20
lcp-echo-failure 9
maxfail 0
holdoff 1
persist

Here it is a pppd log, after the "Connect script failed", nothing 
more succeeded.

Jan 11 15:29:32 om-gta02 daemon.debug pppd[670]: Script /etc/ppp/ip-up finished (pid 712), status = 0x0
Jan 11 15:33:46 om-gta02 daemon.info pppd[670]: No response to 9 echo-requests
Jan 11 15:33:46 om-gta02 daemon.notice pppd[670]: Serial link appears to be disconnected.
Jan 11 15:33:46 om-gta02 daemon.info pppd[670]: Connect time 4.3 minutes.
Jan 11 15:33:46 om-gta02 daemon.info pppd[670]: Sent 2871 bytes, received 628 bytes.
Jan 11 15:33:46 om-gta02 daemon.notice pppd[670]: restoring old default route to usb0 [192.168.0.200]
Jan 11 15:33:46 om-gta02 daemon.debug pppd[670]: Script /etc/ppp/ip-down started (pid 792)
Jan 11 15:33:46 om-gta02 daemon.debug pppd[670]: sent [LCP TermReq id=0x3 "Peer not responding"]
Jan 11 15:33:47 om-gta02 daemon.debug pppd[670]: Script /etc/ppp/ip-down finished (pid 792), status = 0x0
Jan 11 15:33:49 om-gta02 daemon.debug pppd[670]: sent [LCP TermReq id=0x4 "Peer not responding"]
Jan 11 15:33:52 om-gta02 daemon.notice pppd[670]: Connection terminated.
Jan 11 15:33:52 om-gta02 daemon.notice pppd[670]: Modem hangup
Jan 11 15:33:54 om-gta02 daemon.info pppd[670]: Serial port initialized.
Jan 11 15:35:01 om-gta02 daemon.err pppd[670]: Connect script failed

-- 
Niccolo Rigacci
Firenze - Italy