View DHCP Result?

Mike Bristow mike at urgle.com
Fri Jul 25 08:18:06 BST 2003


On Thu, 2003-07-24 at 12:21, Dogers wrote:
> I might be having an attack of the stupid here, but how would i go about viewing 
> what a DHCP server is actually giving out? I've set our (rather smelly) novell 
> dhcp server to give out some pxe options, but clients dont seem to be receiving 
> them.
> The options for dhcp logging are, rather annoyingly, greyed out, so can't see 
> whats going on that way.. the clients definitely getting an address, so ought to 
> be getting the extra options, but the tftp server specified doesnt even get a 
> connection attempt - the client just fails and says unable to connect!
> 
> Any ideas to see whats being passed to the clients? I'm sure theres a way to do 
> it, probably staring at me in the face, but i cant see it :)

on another machine: 
tcpdump -s1500 -w tcpdump.out -i <interface> host <dhcpserver>

Later, uese ethereal to analyse the file. 





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