Can't connect via PPP in Red Hat 7

[sbailey12]

I am trying to get my PPP connection up and going. So far using the "dialup configuration"/debug the modem is dialing out and I get the message that it has connected to the carrier, but after that point I get no further. The syslog says something along the lines of the connection timing out. I have put both the primary and seconcary IP numbers in my dialup connection setup. I have gone to the red hat support site, no luck coming up with anything there, or anywhere else for that matter. Can somebody give me an idea of what I might do to complete this connection. Thanks!

[Statica]

Need info:
(a) what are u using to dial? did u try kppp?
(b) just like in Windoze have u checked your modem settings for flow control et al? Are you using a script to log in? Is the script ok?
(c) What is your modem?

Originally posted by sbailey12 I am trying to get my PPP connection up and going. So far using the "dialup configuration"/debug the modem is dialing out and I get the message that it has connected to the carrier, but after that point I get no further. The syslog says something along the lines of the connection timing out. I have put both the primary and seconcary IP numbers in my dialup connection setup. I have gone to the red hat support site, no luck coming up with anything there, or anywhere else for that matter. Can somebody give me an idea of what I might do to complete this connection. Thanks!

[sbailey12]

I am dialing out with KPPP on a Practical Peripheral 33.6 external modem, modem is dialing out fine, I get the following messages as it dials "dialing....", "connected at 9600", and I then get the message "Logging on to Network" it is at this point that it comes back with the message "*Timeout expired while waiting for the PPP interface to come up." I Checked the flow control on the modem it looks ok, it seems to only dial out correctly when using the CRTSTS flow control. I also have double checked my username and password. If I am using a script to log in, I am not aware of it. Thanks again.

[Statica]

Hi sbailey12:
Ok first thing I'd suggest is reading your msges on whether there was something wrong with scripting or password mistyped etc.. set your logging on in PPP and then look into /var/log/messages [I believe you get it by clicking on the details button]
There are some more things you can play around with:

Increase the pppd timeout value in KPPP

If using the script add a 'Pause 1' or a 'Pause 2' script command

try using the Use Lock file" setting as on or off and see if it makes a difference

stop using /dev/modem .. its nothing but a useless symlink, use the real McCoy /dev/ttySX [COM1=ttys0, COM2=ttys1 ...]

verify your permissions are right

some ISPs require you to type [or send] PPP, are u doing so?

Most of these errors are, believe it or not caused by the server side a lot of times. To explain the mechanism, linux pppd's send 10 lcp config requests to the server but if the server is slow to respond the requests bounce back telling linux that the server is not ready. The two ways typically used are (a) to increase the number of lcp requests by appending "lcp-max-configure 30" to ppp options.

Or use kppp scripting in login script options and the last one you need is: expect ~

_{recommended link: http://axion.physics.ubc.ca/ppp-linux.html}

HTH, am sorry I cant debug it further, but try them out, they arent as twisted as they seem on this post :)

[sbailey12]

Ok, I'll give what you suggested a try. Thanks for the help. I'll let you know what I come up with.

sbailey12