Help me ping myself

Ok I've installed mandrake-linux on my computer and the network is almost working.  I can ping other computers on the network and other computers can ping me.  However I cannot ping myself.  When I do:
ping 127.0.0.1
i get 'network is unreachable'

if I do:
ping 192.168.0.1  
I get the proper reply

When I do:
ping 192.168.0.1 <my IP>
i get 'no buffer space avaiable'

What must I do to be able to ping myself?
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calvinrsmithAsked:
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GylesConnect With a Mentor Commented:
try just

ifup lo
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biardCommented:
run netcfg

under interfaces, is there an interface called lo?
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calvinrsmithAuthor Commented:
yes lo is there however it has a status of inactive.  When I click the active button nothing happens.
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biardCommented:
It sounds like a problem with the driver for you ethernet card.  Remove it from the netcfg and readd it.  Be sure the ip and subnet are correct.
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freesourceCommented:
Just out of curiosity, try this little script and tell me if it solves your problem?

#! /bin/sh
ifconfig lo 127.0.0.1
route add -net 127.0.0.0

or just type from the command line:

>  ifconfig lo 127.0.0.1; route add -ne 127.0.0.0
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freesourceCommented:
Actually, I don't have ifup (netbase package) on my system, guess it's time to upgrade :)  But, the above will work on systems with earlier versions of netbase, meaning earlier kernels :)
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