Server Down - How should Client Act?

Douglas Armstrong doug at
Mon May 1 14:47:26 UTC 2006

Melody Helt wrote:
> I have my default lease set up for 3 mins for experimentation.  I am giving 
> out a static IP based on MAC address.
> My server does down.  Using ethereal to watch the network traffic, I see 
> that at about 1/2 the time of the lease, the client sends out a DHCPREQUEST 
> message then 5 seconds later sends out another DHCPREQUEST.  Nothing else 
> happens.
> After the lease time expires, the server starts up again.  No communication 
> occurs between client & server.  The client has to be rebooted in order for 
> it to communicate & get an IP from the server.
> From reading on the internet, I thought that once the lease expired, the 
> client would keep broadcasting a message trying to find a host.  This 
> doesn't seem to be the case in my experiment.  Should the client keep 
> broadcasting?
> In this situation, is there anyway to get the client & server to communicate 
> without having to reboot the client?
> Regards & Thanks!
> _________________________________________________________________
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What are the relevant log entries on the server, and on the client.

Doug Armstrong

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