Offered but not ACKed IP in ARP table

[Phil Mayers]

On 7 October 2014 01:03:27 BST, Lily <truelily43 at gmail.com> wrote:
>We have two dhcp servers(with different pools of course) in same vlan,
>so
>client get offers from both servers with different IPs.
>for example  server 1 will offer 1.1.1.1 and server 2 will offer
>2.2.2.2 to
>same client, client choose 1.1.1.1, but sometimes 2.2.2.2 appear in
>router
>ARP table with client MAC(for two minutes, which is the time offered
>lease
>is reserved).
>
>I wonder if this is right, shouldn't client still use 0.0.0.0  instead
>of
>using offered but not ACKed lease?

We see this routinely. I'm assuming it's an artifact of the helper process on our (Cisco) routers, rather than client misbehaviour
-- 
Sent from my mobile device, please excuse brevity and typos