removing dynamic addresses

Glenn Satchell glenn.satchell at
Thu May 10 16:08:41 UTC 2012

On 05/11/12 01:07, Dan McDaniel wrote:
> My dhcp server is updating bind with new addresses, but old expired
> leases are not being removed. Not sure where to look to solve this.
> Is dhcp supposed to update bind to remove the maps when the leases
> expire? In my logs I see where it adds maps, but nothing about removing
> them.
> dhcp 4.2.2
> bind 9.2.4
There was a recent post on this topic, which suggested that if a client 
releases a lease then dhcpd will delete the dns entry, but if it expires 
then it takes a different code path and doesn't delete the dns entry.


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