[CentOS] network interface question

Paras pradhan pradhanparas at gmail.com
Fri Oct 15 12:46:24 EDT 2010


On Fri, Oct 15, 2010 at 3:48 AM, Giles Coochey <giles at coochey.net> wrote:
> On 15/10/2010 10:36, John Doe wrote:
>
> From: Paras pradhan <pradhanparas at gmail.com>
>
> I have eight nics and its getting difficult to me which MAC  id
> represents which physical port. Any way to find  this?
>
> Unless you are 100% sure the nics detection follow a sequential order that
> matches the nics physical ports order, I think you will have to test them
> one at
> a time...
>
> JD
>
> Not sure whether this is true for all operating systems, but in many systems
> I have come across the following ordering convention:
>


> * Onboard NIC's get listed first, e.g. eth0, eth1.
> * First PCI bus gets listsed next, starting at slot 1... e.g. eth1, eth2

Didn't happen

> * If there are multiple interfaces per card then they are ordered in
> increasing MAC address value.

Might be true but never tested. Planning to test this.

Paras.

>
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