Re: Outgoing calls to other routers

Heiko Schlittermann (heiko@os.inf.tu-dresden.de)
Tue, 26 Aug 1997 17:58:36 +0200

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On Tue, Aug 26, 1997 at 04:15:14PM -0700, Per-Olof Berggren wrote:
: Hi PM users!
:
: I have been trying to dial out (make locations) to 2 different routers
: via ISDN (ACC and Xyplex N3000) but it seems the ppp negotiation comes
: in to loop.
: Succeeded to get the LCP and IP up to Xyplex (I dont know what I did do
: to make it work) and it worked for a day, but after reboot of PM3 the
: loop is there again.
:
: It works great dialing in to PM3 from the routers But the other way...
:
: Is there any of You guys whith experience in this/ideas?

Probably the other side tries to assign _you_ your local IP-Address
_and_ their remote address, rather than only telling you the remote IP.

Have you switched PPP debugging on?

I tried a connection from one PM3 port to the same PM3, other port.
About the following was set up:

pm-local-ip 192.168.1.2
global-ip-pool 192.168.250.0

user ppp
dest-ip assigned
protocol ppp
password ppp

location dd
dest-ip negotiated
user ppp
password ppp

Then, if I manually dial to location dd, I see a bunch of
CONFIG_REQUEST's and CONFIG_NAK's.

IMHO the following occured:

caller destination

call ------------->
<------------- connect

user ------------->
password ------------->

<------------- your IP is 192.168.250.4
<------------- my IP is 192.168.1.2

ok for your IP
(192.168.1.2)
(as dest ip) ------------->
don't like to
learn my own ip
(192.168.250.4)----------->

your IP is ....
<------------- my IP is ...

ok for ... -------------->
don't like ..

*** With static IP's it works.

Heiko

--
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