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Date:      Wed, 3 May 1995 23:16:26 -0600
From:      Nate Williams <>
To:        M C Wong <>
Cc: (
Subject:   Re: slip blue
Message-ID:  <>
In-Reply-To: <>
References:  <>

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>   I am slip'ing into work place main server host, SERVER1. telnet,ftp,ping
> etc into that host is fine.

Since you have a direct link, this is expected.

> But when I try telnet over the slip link
> into my work workstation in the same domain SERVER1, always get connection
> time out. The same for any other service like ftp, www etc being the
> same.

This comes up *very* often and should be in the FAQ if it isn't.  

Do the machines in the domain know to get to your SLIP box?  Are the
routing tables setup to send packets to SERVER1 in order to get to your

This can be done a couple of ways.
1) You can create a permanent ARP entry in SERVER1 for your host, which
   causes all network traffic to your box to be addressed to SERVER1,
   which already knows how to get to you.
   This way works if you will always connect to SERVER1 and your SLIP
   address is in the same subnet as the machines you are connecting to.

2) Create an route entry in SERVER1 to let all of the machines on that
   network know that to get to your SLIP box you must route all of the
   traffic to SERVER1.  This is the most 'dynamic' approach, but it
   requires that all machines on the network be running routed or other
   routing software.

> SERVER1 Ethernet interface = server1.domain1
> SERVER1 slip interface = server_slip.slipdomain
> myworkstation = ws1.domain1 (at work)
> freebsd at home slip = myslip.slipdomain. ( with IPFORWARD and GATEWAY
>                                            options compiled in )

These aren't necessary if your slip machine doesn't have a network of
machines it is connected to which need to use your SLIP connection as
their connection to the world.

>   Any ideas ? Local admin guy doesn't know the problem.

Does the local admin guy have much experience with routers?


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