> -----Original Message----- > From: Andrew Lunn [mailto:[email protected]] > Sent: Tuesday, June 14, 2016 12:23 PM > To: Limonciello, Mario <[email protected]> > Cc: [email protected]; [email protected]; > [email protected]; [email protected]; linux- > [email protected]; [email protected]; linux- > [email protected]; [email protected] > Subject: Re: [PATCH v6] r8152: Add support for setting pass through MAC > address on RTL8153-AD > > > > It is same, how to handle two network cards which tell us, that they > > > have same MAC addresses. > > > > > > > The kernel handles this just fine. In doing this patch I checked to see > > what it does in that scenario. Two devices are made. systemd doesn't > > rename the second device via the MAC name (eg enxAABBCCDDEEFF). > > What does you dhcp server do? Does it gives out the same IP address? > You then have two interfaces on the same network, with the same MAC > address and IP address. Then what happens? > > Andrew
I didn't test it on the same network, I used two separate networks. I expect that the DHCP server would be awfully confused and you'd run down an interesting problem path if it got the same MAC twice.
