From: <Mario_Limonciello@Dell.com>
To: <andrew@lunn.ch>
Cc: <pali.rohar@gmail.com>, <gregkh@linuxfoundation.org>,
<davem@davemloft.net>, <hayeswang@realtek.com>,
<linux-kernel@vger.kernel.org>, <netdev@vger.kernel.org>,
<linux-usb@vger.kernel.org>, <anthony.wong@canonical.com>
Subject: RE: [PATCH v6] r8152: Add support for setting pass through MAC address on RTL8153-AD
Date: Tue, 14 Jun 2016 17:58:02 +0000 [thread overview]
Message-ID: <c18e2e127e334ffeb3712f54bb1480f4@ausx13mpc124.AMER.DELL.COM> (raw)
In-Reply-To: <20160614172304.GB4914@lunn.ch>
> -----Original Message-----
> From: Andrew Lunn [mailto:andrew@lunn.ch]
> Sent: Tuesday, June 14, 2016 12:23 PM
> To: Limonciello, Mario <Mario_Limonciello@Dell.com>
> Cc: pali.rohar@gmail.com; gregkh@linuxfoundation.org;
> davem@davemloft.net; hayeswang@realtek.com; linux-
> kernel@vger.kernel.org; netdev@vger.kernel.org; linux-
> usb@vger.kernel.org; anthony.wong@canonical.com
> 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.
next prev parent reply other threads:[~2016-06-14 17:58 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-07 18:22 [PATCH v6] r8152: Add support for setting pass through MAC address on RTL8153-AD Mario Limonciello
2016-06-11 5:51 ` David Miller
2016-06-11 15:39 ` Andrew Lunn
2016-06-11 17:42 ` David Miller
2016-06-14 15:08 ` Mario_Limonciello
2016-06-14 16:28 ` Pali Rohár
2016-06-14 16:40 ` Greg KH
2016-06-14 16:47 ` Pali Rohár
2016-06-14 16:55 ` Mario_Limonciello
2016-06-14 17:23 ` Andrew Lunn
2016-06-14 17:58 ` Mario_Limonciello [this message]
2016-06-14 18:35 ` David Miller
2016-06-14 22:27 ` Mario_Limonciello
2016-06-22 22:11 ` Mario_Limonciello
2016-07-11 21:54 ` Mario_Limonciello
2016-07-11 22:05 ` David Miller
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