Re: [Kea-users] option 54

[Chaigneau, Nicolas]

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-boun...@lists.isc.org] De la part de itay cohen
Envoyé : vendredi 11 mai 2018 02:35
À : kea-users@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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Re: [Kea-users] option 54

[Itay Rozenberg]

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" 
Date: 5/11/18 11:44 (GMT+02:00)
To: itay cohen , kea-users@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-boun...@lists.isc.org] De la part de itay cohen
Envoyé : vendredi 11 mai 2018 02:35
À : kea-users@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



This message contains information that may be privileged or confidential and is 
the property of the Capgemini Group. It is intended only for the person to whom 
it is addressed. If you are not the intended recipient, you are not authorized 
to read, print, retain, copy, disseminate, distribute, or use this message or 
any part thereof. If you receive this message in error, please notify the 
sender immediately and delete all copies of this message.

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Re: [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" 
> Date: 5/11/18 11:44 (GMT+02:00)
> To: itay cohen , kea-users@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-boun...@lists.isc.org] De la part de itay 
> cohen
> Envoyé : vendredi 11 mai 2018 02:35
> À : kea-users@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
> 
> 
> 
> This message contains information that may be privileged or confidential and 
> is the property of the Capgemini Group. It is intended only for the person to 
> whom it is addressed. If you are not the intended recipient, you are not 
> authorized to read, print, retain, copy, disseminate, distribute, or use this 
> message or any part thereof. If you receive this message in error, please 
> notify the sender immediately and delete all copies of this message.
> 
> [Banner]
> Powered by U-BTech 
> XTRABANNER
> 
> Please do not enrich emails sent to 
> me
> 
> 
> This message contains information that may be confidential or privileged.
> If you are not the intended recipient, you may not use, copy or disclose
> to anyone any of the information in this message. If you have received
> this message and are not the intended recipient, kindly notify the sender
> and delete this message from your computer.
> 
> 
> 
> ___
> Kea-users mailing list
> Kea-users@lists.isc.org
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> 

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