[NTLUG:Discuss] Network problems

[Matt Midboe]

James Corona wrote:
> 
> I'm having trouble getting a RedHat 5.1 server to talk on my network.  I
> have a 5.2 server running without a problem and have tried to compare
> configurations; there is nothing obviously different.  I can ping both
> directions server - client  client - server but when I try to get an IP
> number through DHCP.  Using the debugger I can see the server receives the
> request but when it responds it gives an error that says Network
> Unavailable.  In addition I am using diald to automatically connect to my
> ISP.  When a request is sent from the client the connection is activated but
> no data is ever recieved.  This is making me crazy,  where else might I
> look?

Have you thought about doing a tcpdump on your ethernet segment to see what's
going across. Something you might try is doing an strace on the dhcp server just
to see what it's doing.

Matt
matt at snsnet.net