On 2 Aug 00, at 23:01, Kevin Diffily wrote:
[snip]
> What I am getting is the following:
> 1) Multiple connect attempts to even get on. * Seems to connect on
> try one after a config change and then require many tries after that
> to reconnect. 2) Carrier Errors , LCP Timeouts, and connect script
> failed from WvDial and connect script failed from netcfg. 3) I can
> connect with WvDial but not with netcfg. 4) Config changes in
> /etc/ppp/options do not seem to help with the connection issues with
> WvDial.
It sounds like the either the modem is connecting at a slower rate
(and not adjusting up), or your TCP/IP settings (MTU, MRU, etc) are
hosed up. Although it's critical for windoze performance to set
the MTU around 576 or so (with a proper RWIN, etc), I've never
really noticed much of a difference with the linux ppp setup,
whether I set it back to 5xx or leave it 1500. The windoze/linux
clients still download around 5k/sec, depending on the site, etc
(with a nominal 56k connection).
Is the 6.2 stuff and wvdial the only major change? The last RedHat
upgrade I tried (6.1 -> 6.2) didn't go well at all. Did the ppp
package change, or perhaps the setup got goofed up by the upgrade?
I haven't had much luck with things like diald, wvdial, etc. Some
of these (diald at least) like to have their own ppp options, and
get confused if /etc/ppp/ppp-options is *not* empty. I've always
had to go back to the basic ppp-on script, but I move all the
options to the options file (instead of arguments in the script).
The last time I really messed with any of these extra programs was
with a RH 5.2 gateway box, but I'm about to give some of them
another try with 6.2.
Unless you know something very specific about the modem on the
other end, I wouldn't specify anything in particular; the defaults
should be fine. Here's what I would do:
change ATZ to AT&f.
get rid of the other init string (unless it's absolutely required).
trim back the options file to the bare minimum.
dial up with minicom and start ppp. If the throughput goes back
up, then try the standard ppp script. If that works, then try the
diald rpm. Diald is extremely tenacious, and will keep trying
until it connects (it's also rather finicky too).
I get failed connects regularly with my new ISP, but it's always
the same; it just never gets the modem CONNECT string and dies.
HTH, Steve
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