From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andrew Lunn <andrew@lunn.ch>
Subject: Re: [Query]: DSA Understanding
Date: Thu, 26 Jul 2018 17:39:06 +0200
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> I am bit confused on how dsa needs to be actually working,
> Q's
> 1] should I be running a dhcp server on eth1 (where switch is connected)
>     so that devices connected on lan* devices get an ip ?

Nope. You need eth1 up, but otherwise you do not use it. Use the lanX
interfaces like normal Linux interfaces. Run your dhclient on lanX, etc.
> 
> 2] From the device where switch is connected if the cpu port wants to send
>    any data to any other user ports lan* how do i do it (just open
> socket on eth1 or lan*) ?

Just treat the lanX interfaces as normal Linux interfaces.

     Andrew