[Kea-users] Kea is tacking on an extra option 12 in DHCP offer message

[Erik Edwards]

I second this. I have several network switches that choke on the 
returned option.

On 2022-06-07 1:52 pm, Rahul Sundaresan wrote:

> Hello,
> 
> I'm using Kea 2.1.5
> 
> I'm working on a ZTP provisioning system for Junos devices.
> 
> In the kea config, I have NOT set up option 12 since I'll be providing 
> hostname to the device via a ZTP config file.
> 
> I took a wireshark capture and noticed this behavior:
> 
> * In the ZTP process, the Junos device sends its S/N as option 12 in 
> the DHCP discover.
> * Kea takes this option 12 and directly puts it back in the DHCP Offer 
> message.
> * Junos uses this as its hostname instead of whatever I set in the 
> config.
> 
> Is there a way to tell Kea to ignore whatever option it receives in 
> DHCP discover message and not to set option 12 in the DHCP offer?
> 
> Thank you
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