[Kea-users] Option 82 delimiter

[Travis C - Surf BB]

Good call. It is stored the same way, thanks! -Travis

On 2/7/2022 11:20 AM, Frey, Rick E wrote:
>
> I’m using memfile (CSV) for leases so not sure if format differs from 
> SQL, but CSV format for user_context field is JSON with attribute name 
> of “relay-agent-info” and the value is entire option 82 hex value as 
> sent over wire.   Assuming SQL value is same, you could parse hex 
> value into sub options 1 and 2 per RFC 3046:
>
> https://datatracker.ietf.org/doc/html/rfc3046#page-8
>
> *From: *Kea-users <kea-users-bounces at lists.isc.org> on behalf of 
> Travis C - Surf BB <tchesna at surfbroadband.com>
> *Date: *Monday, February 7, 2022 at 7:32 AM
> *To: *kea-users at lists.isc.org <kea-users at lists.isc.org>
> *Subject: *[Kea-users] Option 82 delimiter
>
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>
> Is there a delimiter or a way to pull the sub-option 2 from option 82
> when it is stored in the user context through the store-extended-info
> flag? I am using sql for storing leases. So far I do not see a
> delimiter, I just see the two sub-options merged together and then stored.
>
> Does anyone have any ideas on a good way to store just the sub-option 2
> so it can be recalled? The end goal that I need is IP, hwaddr, and
> option82 suboption2. I cant definitively say that suboption 2 will be a
> mac address, or X amount of characters, otherwise it wouldnt be too
> difficult. I was thinking about using a script and writing into another
> table, but that feels sloppy to me and a good way for something to get
> missed or out of sync.
>
> Thanks, Travis
>
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