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by Eric Macaule » Wed, 17 Jan 2001 15:04:25
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by Joerg Morbitze » Wed, 17 Jan 2001 17:07:04
> Here's my setup:
> Cable modem connected to the uplink port of an 8-port hub
> 4 machines with real IPs (bought for extra from the cable company)
> connected to the same hub as the cable modem
> 1 machine using a "private" 192.168.0.1 IP also connected to this hub
> When I try to telnet to the "private" machine at 192.168.0.1 from one of
> my machines that has a real IP, I get a host unreachable error message.
> I also get the same when I try to telnet from my "private" machine to one
> of my machines with a real IP. Is it possible via adjusting the routing
> tables (all machines are running linux) to make it so I could telnet
> freely from one machine to another on my local network here? Or do I
> have to add a second a network card on to one of my machines and have a
> separate hub for the "private" portion of my network?
> Any info/references would be greatly appreciated.
It would help you to read some kind of networking howto.
Kind regards, Joerg.
by James Knot » Wed, 17 Jan 2001 22:40:01
> Here's my setup:
> Cable modem connected to the uplink port of an 8-port hub
> 4 machines with real IPs (bought for extra from the cable company)
> connected to the same hub as the cable modem
> 1 machine using a "private" 192.168.0.1 IP also connected to this hub
> When I try to telnet to the "private" machine at 192.168.0.1 from one of
> my machines that has a real IP, I get a host unreachable error message.
> I also get the same when I try to telnet from my "private" machine to one
> of my machines with a real IP. Is it possible via adjusting the routing
> tables (all machines are running linux) to make it so I could telnet
> freely from one machine to another on my local network here? Or do I
> have to add a second a network card on to one of my machines and have a
> separate hub for the "private" portion of my network?
> Any info/references would be greatly appreciated.
> Regards,
> Eric Macauley
by David Efflan » Thu, 18 Jan 2001 13:27:37
>When I try to telnet to the "private" machine at 192.168.0.1 from one of
>my machines that has a real IP, I get a host unreachable error message.
>I also get the same when I try to telnet from my "private" machine to one
>of my machines with a real IP. Is it possible via adjusting the routing
>tables (all machines are running linux) to make it so I could telnet
>freely from one machine to another on my local network here? Or do I
>have to add a second a network card on to one of my machines and have a
>separate hub for the "private" portion of my network?
/sbin/route add -net 192.168.0.0 dev eth0
But maybe you need an alias IP on the nic and/or a -host route first. But
it would be safer to use a separate nic for the private LAN so you could
MASQ it for internet access.
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