Weird PPP problem

Weird PPP problem

Post by Jesse Mathe » Sun, 28 Feb 1999 04:00:00



    I have a Linux Box set up as a firewall.  100m/b ethernet (Intel)
internal and 56k to my ISP.  I can dail run ifconfig and see my connection
was successful, but unless I install the PPP adapter before the ethernet
then I can't ping my external IP address (204.255.235.110) from the linux
box but I can from any other machine.  and no machine can hit the internet.
My firewall is as liberal as I could get and uses masquerading.  This also
occurs if I reboot the machine.  It sometimes works to uninstall eth0 then
reboot the reinstall it.  But usually I get so pissed I end up reinstalling
everything.  Is this a binding problem? any other Ideas?
 
 
 

Weird PPP problem

Post by Keith Dave » Tue, 09 Mar 1999 04:00:00



>     I have a Linux Box set up as a firewall.  100m/b ethernet (Intel)
> internal and 56k to my ISP.  I can dail run ifconfig and see my connection
> was successful, but unless I install the PPP adapter before the ethernet
> then I can't ping my external IP address (204.255.235.110) from the linux
> box but I can from any other machine.  and no machine can hit the internet.
> My firewall is as liberal as I could get and uses masquerading.  This also
> occurs if I reboot the machine.  It sometimes works to uninstall eth0 then
> reboot the reinstall it.  But usually I get so pissed I end up reinstalling
> everything.  Is this a binding problem? any other Ideas?

Sounds to me like your problem is with your default route and not your fire
wall.  I would check there first.

 
 
 

1. Weird PPP problems

I've been trying to configure PPP for about two days and can't quite
seem to get the two machines talking.  I'm using kernel V1.3.71 and
PPP V2.2.0.   I've compiled the kernel with PPP (in the kernel, not
a module) and followed the directions that came with PPP to configure
it.  Below is what a log of what happens when I attemt to start a PPP
connection.

Mar 12 10:37:48 tdc chat[141]: choice -- got it
Mar 12 10:37:48 tdc chat[141]: send (4^M)
Mar 12 10:37:49 tdc pppd[140]: Serial connection established
Mar 12 10:37:49 tdc pppd[140]: Using interface ppp0
Mar 12 10:37:49 tdc pppd[140]: Connect: ppp0 <--> /dev/cua1
Mar 12 10:37:50 tdc pppd[140]: sent [LCP ConfReq id=0x1 <mru 1500>
<asyncmap 0x0> magic<0x3c882bf> <pcomp> <accomp>]
Mar 12 10:37:50 tdc pppd[140]: revd [LCP ConfAck id=0x1 <mru 1500>
<asyncmap 0x0> magic<0x3c882bf> <pcomp> <accomp>]
Mar 12 10:37:52 tdc pppd[140]: rcvd [LCP ConfReq id=0x2 <asyncmap 0x0>
<auth pap> <magic 0x71e32f6d> <pcomp> <accomp>]
Mar 12 10:37:52 tdc pppd[140]: sent [LCP ConfRej id=0x2 <auth pap>]
Mar 12 10:37:53 tdc pppd[140]: rcvd [LCP ConfReq id=0x3 <asyncmap 0x0>
<auth pap> <magic 0x84af3bdf> <pcomp> <auth pap>
Mar 12 10:37:53 tdc pppd[140]: sent [LCP ConfRej id=0x3 <auth pap>]
Mar 12 10:37:53 tdc pppd[140]: rcvd [LCP ConfReq id=0x4 <asyncmap 0x0>
<auth pap> <magic 0x80272b69> <pcomp> <accomp>]

And from there it gets in an endless loop of ConfRej and ConfReq with the
only things changing in the lines being the id #'s and the magic #'s.  Can
someone tell me what all this means and what the problem might be?

Thanks,
James

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