[Bug 571933] Re: dhclient3 hangs on shutdown

[ody]

On 05/07/2010 10:19 AM, Andrea Ratto wrote:
> It seems that the DHCP server does not reply to DHCPRELEASE so dhclient waits until timeout.
> My DSL modem does the same.
> My workaround is to remove /etc/rc0.d/S35networking and /etc/rc6.d/S35networking, but I would like to know if there is a way to configure dhclient to ignore release requests, without messing with init scripts.
> 
> Also on reboots the client should NOT release the address according to
> the protocol, so maybe this is ALSO a bug in the init scripts.
> 

The dhcp server in my case is isc-dhcpd and this doesn't happen for any
Jaunty, Solaris, OSX, or Windows machines. Plus this is only on
shutdown.  Stopping or restarting the script while the machine is in a
normal running state does what is expected of it and releases the IP.

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dhclient3 hangs on shutdown
https://bugs.launchpad.net/bugs/571933
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