I suspect that what you are looking for is something that is just looking
for DHCP traffic, but doesn¹t actually grab a lease.
I don¹t think that there is a current port for this but this program
http://dhcp-agent.sourceforge.net/
but dhcp-agent alleges to have a sniffer option.
http://dhcp-agent.sourceforge.net/man/dhcp-sniff.1.html
I haven¹t used it but I recall stumbling upon this a while back when I was
looking for the same.
If you try it out, let me know if it works.
-J
On 5/12/08 9:34 AM, "Wojciech Puchar" <[EMAIL PROTECTED]>
wrote:
> is there an option in dhclient (or other program) to try getting IP
> address but - don't set anything in system.
>
> i mean something to just check for dhcp servers.
>
> or maybe something that just detects what DHCP servers are available.
>
>
>
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--
Johan Dowdy - CISSP
Senior Systems Administrator
nCircle Network Security
415.318.2880
"Any sufficiently advanced technology is indistinguishable from magic."
-- Arthur C. Clarke
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