[Kea-users] vendor class for Meraki AP

Peter Davies peterd at isc.org
Tue May 14 08:16:48 UTC 2024


Hi CS,

Kea sees the vendor ID and automatically creates the VENDOR_CLASS_MERAKI 
class, which is associated with this client.

The problem is that are for some reasonno available leases for this 
client on subnet-id 3.

It is not possible to give a better explanation based on the data 
presented here.

Kind Regards Peter

On 13/05/2024 22.33, CS wrote:
> I am trying to migrate onto a kea server however I think I am 
> stymied by vendor classes/options and my lack of understanding of the 
> concept. On the server I am logging the following:
>
> 2024-05-10 05:18:35.064 WARN  [kea-dhcp4.alloc-engine/1184246] 
> ALLOC_ENGINE_V4_ALLOC_FAIL_SUBNET [hwtype=1 xx:xx:xx:xx:xx:xx], 
> cid=[xx:xx:xx:xx:xx:xx:xx], tid=0x58cf5641: failed to allocate an IPv4 
> lease in the subnet xx.xx.xx.xx/xx, subnet-id 3, shared network (none)
> 2024-05-10 05:18:35.064 WARN  [kea-dhcp4.alloc-engine/1184246] 
> ALLOC_ENGINE_V4_ALLOC_FAIL_NO_POOLS [hwtype=1 xx:xx:xx:xx:xx:xx], 
> cid=[xx:xx:xx:xx:xx:xx], tid=0x58cf5641: no pools were available for 
> the address allocation
> 2024-05-10 05:18:35.064 WARN  [kea-dhcp4.alloc-engine/1184246] 
> ALLOC_ENGINE_V4_ALLOC_FAIL_CLASSES [hwtype=1 xx:xx:xx:xx:xx:xx], 
> cid=[xx:xx:xx:xx:xx:xx], tid=0x58cf5641: Failed to allocate an IPv4 
> address for client with classes: ALL, HA_kea1.org.org 
> <http://HA_kea1.org.org>, VENDOR_CLASS_MERAKI, UNKNOWN
>
> Since I have pools defined with all their IP addresses available, I 
> assume this is because I need to define a vendor class for the meraki 
> access points that are DORA but I can't seem to craft the 
> configuration that can move this forward. Probably because . When I 
> look at our old windows DHCP server I have the following reference but 
> I am still stuck.
>
> <Class>
>   <Name>MERAKI_AP_CLASS</Name>
>   <Type>Vendor</Type>
>   <Data>0x4d4552414b49</Data>
> </Class>
>
> Any thoughts, advice, direction? Working my way through 
> https://kea.readthedocs.io/en/latest/arm/classify.htmlbut I'm not sure 
> I fully understand the vendor options concept of all this...especially 
> in resolving my isseu.
>
> CS, cs.Temp.Mail at gMail.com
>
-- 
Peter Davies
Support Engineer
Internet Systems Corporation
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