[plug] etho and ppp don't work together

[Matt Kemner]

On Fri, 16 Jun 2000, Delower, Dene wrote:

> Hello Matt
> I am new to Linux so I might be doing something wrong but the problem is if
> eth0 is enabled none of the ppp programs will work eg Kppp or pppd from a
> terminal.

What error do you get if you type "pppd" from a terminal?
What does /var/log/ppp.log say?
(If that doesn't exist, try /var/log/messages or /var/log/syslog, not too
sure on Redhat logfiles)
 
> Kppp will dial my isp connect and then do nothing ppp won't start

If it's dialing pppd has already started.
Again, please let us know what the logfiles say.

> however
> when eth0 is disabled Kppp and pppd work fine.

I find that very odd.

Then again...
What IRQ is your ethernet card on?
If it's on IRQ3 or IRQ4 is is probably conflicting with your serial port.

> I was told by a colleque that
> Redhat 6.0 doesn't support the routing in the kernel but another redhat user
> with 5.2 is working fine. I was going to try 6.2 to see if he is right.

Maybe he's getting confused with the fact that with the newer (2.2) linux
kernels you don't need to add a route when you configure an interface,
because it works it out automatically, whereas with the old kernels (2.0,
which I believe is what comes with RedHat 5.2) you do need to specify the
route.

None of that causes conflicts between ppp and ethernet though, and there
are a large number of people on this list who have both ethernet and ppp
working at the same time, under all versions of RedHat, Debian and other
Linux Distro's.

 - Matt