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PPP setup problems. Used to work... Help?

daemon@ATHENA.MIT.EDU (Jeff Lloyd)
Fri Nov 29 20:19:01 1996

Date: 	Fri, 29 Nov 1996 20:17:37 -0500
From: Jeff Lloyd <jlloyd@cs.toronto.edu>
Reply-To: Jeff Lloyd <jlloyd@cs.toronto.edu>
To: redhat-list@redhat.com
Resent-From: redhat-list@redhat.com

Hi,

I am having a really frustrating problem.  PPP and SLIP used to work for
me when I was running 3.0.3, but since I have upgraded to 4.0 they have
stopped.  Both of them connect either through dip or pppd and establish
the network connection, but I cannot utilize the network connection.

I am asking for help after spending days reading through _Running Linux_
by Matt Welsh, and the LInux Network Administrators Guide by Olaf Kirch.
I have also consulted my sysadmin, but so far no luck.  Please help...


I am getting these errors in my log:
Nov 29 19:53:48 localhost pppd[522]: Serial connection established.
Nov 29 19:53:49 localhost pppd[522]: Using interface ppp0
Nov 29 19:53:49 localhost pppd[522]: Connect: ppp0 <--> /dev/cua1
Nov 29 19:53:55 localhost pppd[522]: local  IP address 128.100.20.211
Nov 29 19:53:55 localhost pppd[522]: remote IP address 128.100.2.10
Nov 29 19:53:56 localhost modprobe: Can't locate module net-pf-4
Nov 29 19:53:57 localhost modprobe: Can't locate module net-pf-5
Nov 29 19:57:26 localhost modprobe: Can't locate module net-pf-4
Nov 29 19:57:26 localhost modprobe: Can't locate module net-pf-5
Nov 29 19:57:47 localhost pppd[522]: Terminating on signal 15.
Nov 29 19:57:53 localhost pppd[522]: Connection terminated.
Nov 29 19:57:53 localhost pppd[522]: Exit.


I kill the connection myself.  The same happens with SLIP.  I can run
netstat -rn and get the default gateway.  I get this as well:
[root@gnostic /root]# ifconfig -a
lo        Link encap:Local Loopback  
          inet addr:127.0.0.1  Bcast:127.255.255.255  Mask:255.0.0.0
          UP BROADCAST LOOPBACK RUNNING  MTU:3584  Metric:1
          RX packets:76 errors:0 dropped:0 overruns:0
          TX packets:76 errors:0 dropped:0 overruns:0

ppp0      Link encap:Point-Point Protocol  
          inet addr:128.100.20.215  P-t-P:128.100.2.10  Mask:255.255.0.0
          UP POINTOPOINT RUNNING  MTU:1500  Metric:1
          RX packets:5 errors:0 dropped:0 overruns:0
          TX packets:6 errors:0 dropped:0 overruns:0

[root@gnostic /root]# telnet 128.100.2.10  
Trying 128.100.2.10...
Connected to 128.100.2.10.
Escape character is '^]'.

telnet> Connection closed.

However, sometimes if I try another address at the network, such as
128.100.3.197 I get through and make a connection.  Then I can do what I
normally do, though it is very slow.  Sometimes I just get this:
[root@gnostic /root]# telnet 128.100.2.10
Trying 128.100.2.10...

and not any further.

I can never connect to the remote p-t-p ip address, and the nameserver
lookups never work.  

This is my hosts file:
127.0.0.1  localhost   gnostic gnostic.cs.toronto.edu  gnostic.io.org


This is my host.conf file:
order hosts,bind
multi on


This is my networks file:
default         0.0.0.0
loopnet         127.0.0.0
cs.toronto-net  128.100.0.0

I connect with :
/usr/sbin/pppd connect '/usr/sbin/chat -v -f /etc/ppp/csri.chat' \
/dev/cua1 38400 debug defaultroute 


and a chat script that always worked before.


If anyone can help I would appreciate it very much.


Jeff


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