Two offers in response to one discovery

Frank Bulk frnkblk at iname.com
Thu Dec 22 05:57:56 UTC 2011


We recently had the same thing on an appliance, quite annoying.  Fortunately
we tracked it down within an hour or two of seeing the issue.

Frank

-----Original Message-----
From: dhcp-users-bounces+frnkblk=iname.com at lists.isc.org
[mailto:dhcp-users-bounces+frnkblk=iname.com at lists.isc.org] On Behalf Of
John Miller
Sent: Thursday, December 15, 2011 4:16 PM
To: 'Users of ISC DHCP'
Subject: RE: Two offers in response to one discovery

OK, my bad. They actually do check for config changes and only restart then.
When there is a lot of activity it just seems like once per minute.

So you all know, Bradford killed the Nov. 8th process and everything seems
to be working just fine now. The only unanswered questions I have now are
how the 2 processes were able to bind to the same port and what caused the
issue in the first place.

Thanks to everyone for your insight on this. Have a great holiday season! -
John


-----Original Message-----
From: dhcp-users-bounces+miller=muskingum.edu at lists.isc.org
[mailto:dhcp-users-bounces+miller=muskingum.edu at lists.isc.org] On Behalf Of
John Miller
Sent: Thursday, December 15, 2011 5:07 PM
To: 'Users of ISC DHCP'
Subject: RE: Two offers in response to one discovery

Nice thought. I will pass that on. Thanks Alan! - John

-----Original Message-----
From: dhcp-users-bounces+miller=muskingum.edu at lists.isc.org
[mailto:dhcp-users-bounces+miller=muskingum.edu at lists.isc.org] On Behalf Of
Alan Buxey
Sent: Thursday, December 15, 2011 4:47 PM
To: Users of ISC DHCP
Subject: Re: Two offers in response to one discovery

Hi,

> OK, more information. I was finally able to look at the ps -ef output 
> more closely and, indeed, there seems to be 2 dhcpd processes running.
> The way Campus Manager works is that they restart the process every 
> minute. This

huh? really?  why dont that put a file update checker in place to only
restart the process when the config has actually changed?  oh well.

alan
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