[Dnsmasq-discuss] Request hostnames from clients?

Simon Kelley simon at thekelleys.org.uk
Wed Feb 1 21:33:04 GMT 2006

Matt Hull wrote:
>>On Wed, Feb 01, 2006 at 11:47:14AM +0000, Simon Kelley wrote:
>>>>Is there any way to force clients to send their hostnames to dnsmask?
>>>Not possible. There's nothing in the DHCP protocol that would allow
>>>this. Note that the Debian package of dhcpcd does send the hostname by
>>>default, so if you can arrange to use dhcpcd instead of dhclient that
>>>would solve the problem.
>>Making dhclient what I need is easy, too.  But the default installation
>>don't use dhcpcd and dont configure dhclient in this way.  Thus manual
>>intervention is needed on every client either way. :-(
>>BTW: sarge starts dhclient with the -e option.  Therefore the client will
>>     give up to get a lease and _exit_ when the server can not be reached
>>     at boot time.  Thus it will never retry to get a lease when the server
>>     is available again.  I bet this is _not_ the way the client should
>>     behave?
> i think dhcpcd is this way too.  but if the internet goes down after it
> got an ip it will wait till ti comes back up.  not sure if the eth can be
> started and set to wait...

Setting the timeout to zero (dhcpcd -t 0) will cause it to wait forever,
at least on the Debian version and 2.0.x releases.



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