IP assignment and authenticated port

Arend van Spriel arend at broadcom.com
Mon Feb 2 14:13:47 EST 2015


On 02/02/15 19:18, Jan Ceuleers wrote:
> On 02/02/15 10:15, Sarah Thomas wrote:
>>    If there is a dhcp server running on the switch, how does the dhcp
>> server get to know whether the port is authenticated  to send the IP
>> address to the wired station that is connected to that port?
>>
>> Is that handled inside dhcp server?
>
> A DHCP server responds to requests it receives from DHCP clients. So the
> server does not "push" address assignments to clients, it's the clients
> who "pull" them from the server.

Hi Jan,

That was not the question. The question is how the DHCP server can 
determine whether it is ok to respond to the incoming request.

Regards,
Arend

> https://en.wikipedia.org/wiki/Dynamic_Host_Configuration_Protocol
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