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PPP Leased Line Problem

2007-12-25 12:00:00

Hi everyone,

This is a SUMMARY,

(1) The original problem

<I have been trying to set up a PPP connection over a leased line

<for the past few days. For testing, I have 2 Sun workstations running

<Solaris 2.5.1 with a modem pair in between set up in my office.

<

<Here are my 2 /etc/hosts files :

<

<% cat /etc/hosts

<

<127.0.0.1 localhost loghost

<192.228.222.2 rcc-utara

<192.228.222.4 ppp-address

<

<% cat /etc/hosts

<

<127.0.0.1 localhost loghost

<192.228.222.1 ncc

<192.228.222.4 ppp-address

<

<When I type netstat -r from 192.228.222.1, I get :

<

<% netstat -r

<

<Routing Table:

< Destination Gateway Flags Ref Use Interface

<-------------------- -------------------- ----- ----- ------ ---------

<localhost localhost UH 0 0 lo0

<192.228.222.2 ncc UH 4 2 ipdptp0

<224.0.0.0 ncc U 4 0 ipdptp0

<

<When I type netstat -r from 192.228.222.2, I get :

<

<% netstat -r

<

<Routing Table:

< Destination Gateway Flags Ref Use Interface

<-------------------- -------------------- ----- ----- ------ ---------

<localhost localhost UH 0 0 lo0

<192.228.222.1 rcc-utara UH 3 1 ipdptp0

<224.0.0.0 rcc-utara U 3 0 ipdptp0

<

<

<When I type ping 192.228.222.2 from station 192.228.222.1,

<I can see the TD LED on the modem from 192.228.222.2 light up,

<as well as the RD LED on the modem from 192.228.222.1. But

<the ping fails and "no answer from 192.228.222.2".

(2) The solution :

It turns out what I had done (but not mentioned in my problem

submission) was that I had disabled the port monitor. I used the

admintool to enable the port monitors on both work stations using the

"Modems - Bidirectional" template.

As a side note, the thing that I found lacking in the documentation

was that when you are setting up a leased line, how a leased line

set up differs from a dial-up line set up. I guess it is so "obvious"

that no one bothered to document it. But for me, having to set up

both ends of the PPP connection with no working example, I wound

up trying about 50 different configurations (/etc/asppp.cf, /etc/hosts,

/etc/remote, /etc/uucp/Systems, /etc/uucp/Devices, /etc/uucp/Dialers,

AND the port monitor) before I got this to work.

John Nash

Resscom Computer & Communications

Kuala Lumpur, Malaysia

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