host-identifier and option 82

Michal Vančo mvanco at di-vision.sk
Fri Jan 27 18:51:41 UTC 2012


Thanks Simon. Filtering direct requests is really great idea. I'll try it for sure. 

thanks again
michal

On 27.1.2012, at 19:40, Simon Hobson wrote:

> =?utf-8?Q?Michal_Van=C4=8Do?= wrote:
>> Great. The only remaining question is, whether ISC dhcpd responds with DHCPNAK or just remains silent in case like this. If it responds with DHCPNAK, client will start over trying to get new lease.
> 
> That's up to you !
> If your server config is such that there are no leases it can offer to devices without Option 82 then I think it will keep quiet. The obvious thing to do is try it and see.
> 
> On the other hand, you can always setup firewall filters that will block direct requests from clients so the server daemon never sees them.
> 
> -- 
> Simon Hobson
> 
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