> -----Original Message----- > From: Andrew Lunn [mailto:andrew@xxxxxxx] > Sent: Tuesday, June 14, 2016 12:23 PM > To: Limonciello, Mario <Mario_Limonciello@xxxxxxxx> > Cc: pali.rohar@xxxxxxxxx; gregkh@xxxxxxxxxxxxxxxxxxx; > davem@xxxxxxxxxxxxx; hayeswang@xxxxxxxxxxx; linux- > kernel@xxxxxxxxxxxxxxx; netdev@xxxxxxxxxxxxxxx; linux- > usb@xxxxxxxxxxxxxxx; anthony.wong@xxxxxxxxxxxxx > 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. -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html