Nope, good guesses though. This is as basic a config as you'll ever see.
PPP and IP were up and running on this link before I configured the IPX
network on the interface.
I'll provide another clue: I was able to configure an IPX network number on
the async interface, so IPX was up and running. It initially would not work
on this interface, though. Yet another clue: I was only able to reproduce
this if I performed the steps exactly in the order I mentioned. I'm at work
now so I don't have access to those routers but I'll recreate the config
here so you can see it.
I have R1 connected to R2 via the aux ports. Here is where I started (we'll
ignore the aux config, it's irrelevant here.)
R1 Config:
int Async1
encapsulation ppp
ip address 10.1.1.1 255.255.255.0
async default routing
async mode dedicated
R2 Config:
int Async1
encaps ppp
ip add 10.1.1.2 255.255.255.0
async default routing
async mode dedicated
At this point I tested IP connectivity using pings and all was well. I then
added a username/password to each router and configured CHAP authentication.
After configuring that on both routers, all was still well from an IP
standpoint. Then I did this:
R1:
ipx routing 1.1.1
int Async1
ipx network deadbeef
R2:
ipx routing 2.2.2
int Async1
ipx network deadbeef
I also configured loopback addresses on each router and a static SAP on R1
just to verify SAP and IPXRIP advertisements. These were not occurring as
expected. Doing a "show int a1" shows that only IPCP and CDPCP are open,
IPXCP is in Listen state.
So, the question really is why was IPXCP in Listen state instead of Open and
what might be a solution?
John
> Well, I don't do IPX (except in the lab),
>
> but my first two guesses would be:
> ipx ppp-client loopback0
> or
> ipx routing
> was missing...it's a bit difficult t/s without the broken config.
> saving my third guess for later in the day.
>
> TroyC
>
> -----Original Message-----
> From: John Neiberger [mailto:[EMAIL PROTECTED]]
> Sent: Monday, April 09, 2001 11:21 PM
> To: [EMAIL PROTECTED]
> Subject: PPP Configs (Overlooking the Obvious) [7:29]
>
>
> In the hopes that this might help some of the beginners (and some of the
> not-so-beginners) I thought I'd share an interesting troubleshooting
problem
> I just ran into that is actually a little embarrassing but educational.
> (Yes, I should be in bed already. Perhaps my consistent lack of sleep
> causes me to have constant brain lock lately.)
>
> I started out with a back-to-back config between two 2501s from aux to
aux.
> I initially was running IP, then I added CHAP authentication, then I
added
> IPX. For some reason, I could not get IPX working correctly no matter
what
> I tried...
>
> "show ipx traffic" showed that there was traffic but it wasn't behaving
> correctly. On Router A I had a static SAP that I wanted to advertise to
> Router B but it wasn't showing up on B. I also had a loopback address
with
> a network number that I wanted to advertise to B. Again, it was not
showing
> up.
>
> To make a longer story shorter, it might be helpful to reiterate the
order
> in which I did this configuration.
>
> First, I configured IP and brought up the connection. It came up and I
> tested connectivity using pings. Simple, no problem.
>
> Next, I added the CHAP authentication. Again, no problem once I got the
> config correct on both routers.
>
> Then I added the IPX config. Hey, I just thought of something. Instead
of
> coming out and telling you the answer to this problem, I should let
others
> guess. I'll subtitle this "Late Monday Night Follies."
>
> If you've been doing this sort of thing for a while, please don't just
come
> out and tell everyone the answer just yet. Let the people new to PPP
figure
> this one out. I've given enough information here but there are a couple
of
> other clues to be given that I haven't mentioned.
>
> Good luck!
>
> John the Very Sleepy
>
>
>
>
>
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