[AuckLUG] eth0 cable problems

[Ron Johns]

john wrote:
> On Wed, 2008-02-27 at 15:22 +1300, Ron Johns wrote:
>   
>> Hi All,
>>       Start of latest problem. I have two computers hooked up with a nul 
>> ethernet cable connected
>> directly ethernet port to ethernet port. This lashup has worked on 
>> exactly this setup in the past.
>>     
> I have had similar trouble with crossed cable. 
> At a Uniforum conference once, I could not get a demo of an LTSP thin
> client to work with my laptop. Fortunately one of the people there had a
> spare switch and 2 normal cables and everything worked fine.
>
> So my advice is to get a small hub or switch ...
>
> John O'Gorman
>   
>> How however ,I can ping to the NEC Laptop....
>>
>> [root at localhost gaspode]# ping 192.168.0.250
>> PING 192.168.0.250 (192.168.0.250) 56(84) bytes of data.
>> 64 bytes from 192.168.0.250: icmp_seq=1 ttl=64 time=0.265 ms
>> 64 bytes from 192.168.0.250: icmp_seq=2 ttl=64 time=0.173 ms
>> 64 bytes from 192.168.0.250: icmp_seq=3 ttl=64 time=0.181 ms
>> 64 bytes from 192.168.0.250: icmp_seq=4 ttl=64 time=0.181 ms
>> 64 bytes from 192.168.0.250: icmp_seq=5 ttl=64 time=0.183 ms
>>
>> --- 192.168.0.250 ping statistics ---
>> 5 packets transmitted, 5 received, 0% packet loss, time 3999ms
>> rtt min/avg/max/mdev = 0.173/0.196/0.265/0.037 ms
>> [root at localhost gaspode]#
>>
>> But I cannot ssh or scp the laptop. I get...
>>
>> [root at localhost gaspode]# ssh steve at 192.168.0.250
>> steve at 192.168.0.250's password:
>> Permission denied, please try again.
>> steve at 192.168.0.250's password:
>> Permission denied, please try again.
>> steve at 192.168.0.250's password:
>> Permission denied (publickey,gssapi-with-mic,password).
>>
>> Over and over.
>>
>> NOW.. When I try to ping my desktop from the laptop I get...
>>
>>  From 198.168.0.250 icmp_seq=2 Destination Host Unreachable   and on and on.
>>
>> The laptop has other problems ,more of which later ,but right now I need 
>> to backup to my desktop
>> and I have used this method before with good effect.
>>
>> Any clues out there ?
>>
>> Thanks very much
>> Ron.
>>
>>
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>>
>>     
>
>
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>   
Thank You John.