[Kea-users] option 54

[Marcin Siodelski]

Hi,

I recommend upgrading to Kea 1.3 (or 1.4 in a couple of weeks), which
already have this feature:

https://kea.isc.org/docs/kea-guide.html#dhcp4-serverid

Kind Regards,

Marcin Siodelski
ISC

On 11.05.2018 10:58, Itay Rozenberg wrote:
> 
> After the client gets the address from the dhcp server ,its renewing it directly to kea, i need it to renew it via the relay
> 
> 
> -------- Original message --------
> From: "Chaigneau, Nicolas" <nicolas.chaigneau at capgemini.com>
> Date: 5/11/18 11:44 (GMT+02:00)
> To: itay cohen <icohen9987 at gmail.com>, kea-users at lists.isc.org
> Subject: Re: [Kea-users] option 54
> 
> 
> Option 54 is set automatically by the server (to the IP address on which the packet was received, I think).
> 
> It cannot be an arbitrary value, it is used by clients in DHCPREQUEST messages. The server will ignore such messages with an option 54 that does not match its configuration (even if they are unicast to him) because it indicates that the client is trying to communicate with another server.
> 
> What are you trying to do exactly ?
> 
> 
> Regards,
> Nicolas.
> 
> De : Kea-users [mailto:kea-users-bounces at lists.isc.org] De la part de itay cohen
> Envoyé : vendredi 11 mai 2018 02:35
> À : kea-users at lists.isc.org
> Objet : [Kea-users] option 54
> 
> hi all
> 
> i'm using kea-1.2.0
> 
> i'm trying to set
>                         "option-data": [
>                                 { "name": "routers", "data": " 10.0.0.1"  },
>                                  { "name": "dhcp-server-identifier", "data": "10.0.0.1"  }
>                          ],
> now, when kea is trying to send the  packet back its being Dropped with this message,
> [kea-dhcp4.bad-packets/19941] DHCP4_PACKET_DROP_0007 [hwtype=1 a8:11:fc:98:fe:dd], cid=[ff:fc:98:fe:dd:00:03:00:01:a8:11:fc:98:fe:dd], tid=0x4a68f6e1: failed to process packet: Option 54 already present in this message.
> 
> any thoughts ?
> 
> thank you,
> Itay
> 
> 
> 
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