It is very important to note that this feature allows a server with a given IP address to update only it’s own PTR record and also that the updates must be sent over TCP.
add record: www4; 10.2.3.3; update reverse = Yes (and replace existing) 6.
Please see For a static client, the client will communicate directly with the authoritative DNS server to update its PTR record.
It will first start by performing an SOA query for the reverse lookup name for the client in question: The client then receives a response from the authoritative DNS server containing information about the server that is to process the dynamic update.
Using Netflow, I could see the ip address of the offender but couldnt see the hostname of the computer/workstation that was the offender.
Here is my config for DHCP on the switch -ip dhcp pool PC network 10.1.70.0 255.255.255.0 domain-name dns-server 10.1.1.1 10.1.1.2 default-router 10.1.70.1 lease 8This is an office across the street from the main building.