SSH between computers on LAN

[Karl F. Larsen]

Aart Koelewijn wrote:
> On Sat, 24 Jan 2009 06:10:22 -0700, Karl F. Larsen wrote:
>
>   
>> Nils Kassube wrote:
>>     
>>> Karl F. Larsen wrote:
>>>   
>>>       
>>>>     I did a traceroute from this computer looking for the laptop and
>>>>     it
>>>> failed. But a traceroute from the laptop works to this computer.
>>>>     
>>>>     
>>>>         
>>> Are you using the correct IP address for the laptop? If you try to ping
>>> the IP of the wireless port of the laptop while it is actually
>>> connected by wire, you won't get a reply. Try the IP of the wired port
>>> instead. Run the "ifconfig" command on the laptop to find out which IP
>>> address it has on the wired port.
>>>
>>>
>>> Nils
>>>
>>>
>>>       
>>     I was trying Traceroute to see if it might explain why a ping to the
>> laptop fails. I do ifconfig on the laptop to get it's ip.
>>
>>     Still do not understand how this setup fails. I have 2 routers. The
>> second router gets Internet from the first. Right now the DSL-router is
>> 192.168.0.x and the Belkin Router is 192.168.1.x wired and 192.168.2.x
>> from the WiFi port. Any computer on any port will get fine two way
>> Internet from the DSL. But it is one way from the DSL-router to the
>> Belkin router. A computer on the Belkin can ping a computer on the
>> DSL-router but not the other way. It's an odd problem. I expect the
>> Belkin router is not really a router.
>>
>>
>> Karl
>>     
>
> I don't think a computer on the first router will know where to find a 
> computer on the second router if you don't set a explicit route. It will 
> try to find it through your default route, which will point to the 
> internet and not to your second router. The Belkin will know how to find 
> a computer on your first router because its default route will be set to 
> the first router. It will have to be, otherwise it won't be able to find 
> the internet.
>
> An explicite route can f.i. be set by ifconfig.
>
> Aart
>
>
>   
    Thank you for your excellent description of my problem. I have never 
tried to use ifconfig in that way. I will look at it's man page. I 
recall using routes back in early Slakware days. I think they were put 
in /etc/routes/ then. Confusing back then too.

Karl


-- 

	Karl F. Larsen, AKA K5DI
	Linux User
	#450462   http://counter.li.org.
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