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Date:      Sun, 18 Nov 2001 08:30:58 +0000
From:      "WebSec WebSec" <secure21st@hotmail.com>
To:        hackers@FreeBSD.org
Subject:   SLIP slattach Question
Message-ID:  <F119eevTa0uDKn84dgA0000b08f@hotmail.com>

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Hi All,

I am trying to connect 2 BSD machines via Serial Ports back-to-back via Null 
modem cables. Both machines are properly connected to a Serial Data Switch.
One machine is I/O  and the other is machine A.  The idea is to be able to 
move logs to the I/O machine from machine A.  (I use DB25 Null Modem Cables)

After hours of research I found sources that recommended to do the 
following:

Add the following to the I/O Machine:

/etc/rc.conf
network_interfaces="sl0 tun0 lo0"
ifconfig_sl0="inet 10.0.0.1 255.255.255.0 link0"

Add the following to the A Machine:

network_interfaces="sl0 tun0 lo0"
ifconfig_sl0="inet 10.0.0.2 255.255.255.0"
defaultrouter="10.0.0.1"

Create these identical files on both macines:
/etc/start_if.sl0

slattach -l -c -h -s 115200 /dev/ttyd1 slattach -l -c -h -s 115200 
/dev/ttyd1

Rebooted - and nothing worked.

I searched a bit more and found the following:

On the I/O machine add
ifconfig sl0 10.0.0.1 10.0.0.2

Machine A gets the following:
ifconfig sl0 10.0.0.2 10.0.0.1

Still nothing works... if I run ifconfig, it does show sl0 interface up and 
inet10.0.0.1 --> 10.0.0.2 netmask 0xffff0000

What am I doing wrong???






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