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From: Ali badilli <hasanoglu69@yahoo.com>
To: lartc@vger.kernel.org
Subject: [LARTC] A  basic setup  question
Date: Sat, 19 Jan 2002 22:49:35 +0000	[thread overview]
Message-ID: <marc-lartc-101148367932480@msgid-missing> (raw)

Hi,

I have just started to build a small linux network. I
have the following question. If anybody helps I will
be really appreciated.

I have installed linux 7.2 in machine A, B, C and
connected them as follows.

    A-----------C----------B
     eth0   eth0 eth1    eth0

As it is shown in figure C has two ethernet interfaces
eth0 connected to A and eth1 connected to B.

I have assigned the addresses as follows:

A: 192.20.1.3 (eth0) mask:255.255.255.0 default
gw:192.20.1.1 

B: 192.20.2.3 (eth0) mask:255.255.255.0 default
gw:192.20.2.1 

C: 192.20.1.1 (eth0) mask:255.255.255.0 
                     default gw:192.20.2.1

and 192.20.2.1 (eth1) mask:255.255.255.0 
                      default gw:192.20.1.1 

C acts as gateway between between A and B.


I configure routing table as follows:


A: destination network   network mask   gateway 
   0.0.0.0                0.0.0.0      92.20.1.1      

192.20.1.0             255.255.255.0  192.20.1.3


B:destination network   network mask   gateway 
   0.0.0.0                0.0.0.0      92.20.2.1      

192.20.2.0             255.255.255.0  192.20.2.3

C:destination network   network mask   gateway 
192.20.2.0             255.255.255.0  192.20.2.1
(eth0)
192.20.1.0             255.255.255.0  192.20.1.1
(eth1)

I can ping from A to 192.20.2.1 but I cannot ping to
192.20.2.3(which is B)

similarly, 

I can ping from B to 192.20.1.1 but cannot ping to
192.20.1.3 (which is A).

In other word, Both A and B can ping the interfaces of
C which belong to different subnets, but A and B
cannot ping each other.

Am I missing some basic configuration things?, Should
I install any other patch or etc?, 

I will be really appreciated If some body give me
clear explanation. Sorry for asking a simple question.

Haci













   























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             reply	other threads:[~2002-01-19 22:49 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-01-19 22:49 Ali badilli [this message]
2002-01-20  2:17 ` [LARTC] A basic setup question Greg Scott
2002-01-20 13:06 ` Stef Coene

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