[Kea-users] kea hands out 2 ip addresses

Sten Carlsen stenc at s-carlsen.dk
Tue Jun 25 19:50:44 UTC 2019


Looks to me that like the client is identified in multiple ways, by
hwaddr and by client_id. These will be seen as two different hosts.

Please see below, note the difference in the green highlights:

On 25/06/2019 20.40, eacool wrote:
> Hi, keadhcp is currently handing out 2 ip addresses to each client
> unnecessarily in short succession.  It hands out the first ip address, it
> then replaces the first ip address with a second one a few seconds later and
> then eventually expires the lease on the first ip address.  Please note the
> short lease time is for testing and this issue occurs when the lease is set
> to an hour also.
>
> This also occurs to clients that are windows and linux based so I am pretty
> sure my client settings are not the issue either.
>
> My expected behaviour is that keadhcp hands out a single ip address to a
> client.
>
> My client has 1 interface 
>
> 1) client spins up 
> 2) requests ip address 
> 3) kea supplies ipaddress 
> 4) keaddns then hands off dns name to powerdns 
> 5) client then requests another ip address 
> 6) kea supplies 2nd ip address, this then replaces the first ip address and
> dns name on the client 
> 7) kea then hands off 2nd dns name to powerdns. 
> 8) lease expires on 1st ip address and is reclaimed by kea and removed from
> powerdns. 
>
>
> for subnet id 1, identified by hwaddr=00505695C165 
>
> for subnet id 1, identified by duid=00020000AB1160F187C05CAA916D 
>
> for subnet id 1, identified by client-id=FF2D1AA13300020000AB1160F187C05CAA916D 
>
>
>
> for subnet id 1, identified by hwaddr=00505695C165 
>
> for subnet id 1, identified by duid=00020000AB1115934CFB579E9D00 
>
> for subnet id 1, identified by client-id=FF2D1AA13300020000AB1115934CFB579E9D00 
>
>
>
> for subnet id 1, identified by hwaddr=00505695C165 
>
> for subnet id 1, identified by duid=00020000AB1115934CFB579E9D00 
>
> for subnet id 1, identified by client-id=FF2D1AA13300020000AB1115934CFB579E9D00 
>
>
>
>
>
>
> --
> Sent from: http://kea-users.7364.n8.nabble.com/
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