Ethernet devide enumeration problems

Ethernet devide enumeration problems

[Mauricio Silveira]

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Hi all,

I'm here asking for solutions for the Damned "Ethernet device 
enumeration" problem!

I have a P5b Mobo for my office server, it has 2 integrated NICs, but 
the order for eth0/eth1 changes at each boot! It's getting me mad!


I'm using slackware 11.0, kernel 2.6.21.3.

I know Suse and RHEL has a solution, but it integrates too many things 
to get it working under slackware.

Any "easy"(not with so many dependencies) way?


Thanks,

Mauricio

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Re: Ethernet devide enumeration problems

[Nikolai Lusan]

On Tue, 2007-06-26 at 19:26 -0300, Mauricio Silveira wrote:
> Hi all,
> 
> I'm here asking for solutions for the Damned "Ethernet device 
> enumeration" problem!
> 
> I have a P5b Mobo for my office server, it has 2 integrated NICs, but 
> the order for eth0/eth1 changes at each boot! It's getting me mad!
> 
> 
> I'm using slackware 11.0, kernel 2.6.21.3.
> 
> I know Suse and RHEL has a solution, but it integrates too many things 
> to get it working under slackware.
> 
> Any "easy"(not with so many dependencies) way?

Use udev with rules for keeping the ethernet interfaces consistant.


-- 
Nikolai Lusan
Systems Administrator

Hitwise Pty. Ltd.
Level 7 / 580 St Kilda Road
Melbourne, Victoria 3004
Australia
Phone: +61 3 8530 2400
Fax:  +61 3 9529 8907
www.hitwise.com.au
nikolai.lusan@hitwise.com


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Re: Ethernet devide enumeration problems

[Mauricio Silveira]

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Nikolai Lusan wrote:
> On Tue, 2007-06-26 at 19:26 -0300, Mauricio Silveira wrote:
>   
>> Hi all,
>>
>> I'm here asking for solutions for the Damned "Ethernet device 
>> enumeration" problem!
>>
>> I have a P5b Mobo for my office server, it has 2 integrated NICs, but 
>> the order for eth0/eth1 changes at each boot! It's getting me mad!
>>
>>
>> I'm using slackware 11.0, kernel 2.6.21.3.
>>
>> I know Suse and RHEL has a solution, but it integrates too many things 
>> to get it working under slackware.
>>
>> Any "easy"(not with so many dependencies) way?
>>     
>
> Use udev with rules for keeping the ethernet interfaces consistant.
>
>
>   
Thanks Nikolai,

In advance, have you got any url that might be of some help?

I'm searching for this right now.

Mauricio

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title:Linux Consultant / Developer
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Re: Ethernet devide enumeration problems

[terry white]

... ciao:

    as a preface:

    i've read suggestions about using udev and associated magic
toward a solution.  i am not convinced that the way to go.


: on "6-26-2007" "Mauricio Silveira" writ:
: P5b Mobo for my office server, it has 2 integrated NICs
: the order for eth0/eth1 changes at each boot!

    as the nics integrated into the motherboard, reference to them must
exist withing the bios.  by implication, this well prior to a kernel
loading, and executing modules for udev (hotswap) hardware.

    the approach i would attempt, is to assign a static irq and addr to
each device, within the bios, and pass that information to the kernel via
tbe bootloader.  just a thought ...


-- 
... i'm a man, but i can change,
    if i have to , i guess ...

Re: Ethernet devide enumeration problems

[Aslan Carlos]

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Hi Folks,
look in
http://www.science.uva.nl/research/air/wiki/LogicalInterfaceNames

maybe it will be helpful. :)

[]'s
---
Aslan Carlos de M. Ramos
Network Administrator
K8 Networks, Digirati Networks, HostNet
Tel: +55(21)2233-5950 Ramal:29
Skype: aslancarlos

On Wed, 2007-06-27 at 03:10 -0700, terry white wrote:
> ... ciao:
> 
>     as a preface:
> 
>     i've read suggestions about using udev and associated magic
> toward a solution.  i am not convinced that the way to go.
> 
> 
> : on "6-26-2007" "Mauricio Silveira" writ:
> : P5b Mobo for my office server, it has 2 integrated NICs
> : the order for eth0/eth1 changes at each boot!
> 
>     as the nics integrated into the motherboard, reference to them must
> exist withing the bios.  by implication, this well prior to a kernel
> loading, and executing modules for udev (hotswap) hardware.
> 
>     the approach i would attempt, is to assign a static irq and addr to
> each device, within the bios, and pass that information to the kernel via
> tbe bootloader.  just a thought ...
> 
> 




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Re: Ethernet devide enumeration problems

[Adam T. Bowen]

Hi,

Aslan Carlos wrote:
> Hi Folks,
> look in
> http://www.science.uva.nl/research/air/wiki/LogicalInterfaceNames
> 
> maybe it will be helpful. :)

Hadn't heard of ifrename before.  That's really useful to know about
(although bizarrely it is part of the wireless-tools package under
fedora/red hat/centos).

Cheers

Adam


> []'s
> ---
> Aslan Carlos de M. Ramos
> Network Administrator
> K8 Networks, Digirati Networks, HostNet
> Tel: +55(21)2233-5950 Ramal:29
> Skype: aslancarlos
> 
> On Wed, 2007-06-27 at 03:10 -0700, terry white wrote:
>> ... ciao:
>>
>>     as a preface:
>>
>>     i've read suggestions about using udev and associated magic
>> toward a solution.  i am not convinced that the way to go.
>>
>>
>> : on "6-26-2007" "Mauricio Silveira" writ:
>> : P5b Mobo for my office server, it has 2 integrated NICs
>> : the order for eth0/eth1 changes at each boot!
>>
>>     as the nics integrated into the motherboard, reference to them must
>> exist withing the bios.  by implication, this well prior to a kernel
>> loading, and executing modules for udev (hotswap) hardware.
>>
>>     the approach i would attempt, is to assign a static irq and addr to
>> each device, within the bios, and pass that information to the kernel via
>> tbe bootloader.  just a thought ...
>>
>>
> 
> 
> 



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Re: Ethernet devide enumeration problems

[Mauricio Silveira]

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Hi,

I'm just updating this thread to post useful information.

I was unable to use ifrename to do the trick ...

I have upgraded the server to slackware 12, since the disk mirroring was 
incomplete when slackware 12 was released, so I decided to rebuild the 
raid array and install slackware 12 on it :)

Tuning the file "/etc/udev/rules.d/75-network-devices.rules" as needed 
seems to solve the problem.
I encourage everyone who uses slackware as you system to upgrade to v12 :)

Although I think samba 3.0.25b needs some "monitoring", got some strange 
behavior from this version, downgrading brought everything back in place.

Thanks for all your help,

Mauricio

Mauricio Silveira wrote:
> Hi all,
>
> I'm here asking for solutions for the Damned "Ethernet device 
> enumeration" problem!
>
> I have a P5b Mobo for my office server, it has 2 integrated NICs, but 
> the order for eth0/eth1 changes at each boot! It's getting me mad!
>
>
> I'm using slackware 11.0, kernel 2.6.21.3.
>
> I know Suse and RHEL has a solution, but it integrates too many things 
> to get it working under slackware.
>
> Any "easy"(not with so many dependencies) way?
>
>
> Thanks,
>
> Mauricio


[-- Attachment #2: msilveira.vcf --]
[-- Type: text/x-vcard, Size: 321 bytes --]

begin:vcard
fn:Mauricio Silveira
n:Silveira;Mauricio
org;quoted-printable:FSN do Brasil - Consultoria em Inform=C3=A1tica;Software Development / Networking
adr:;;;;;;Brazil
email;internet:msilveira@linuxbr.com
title:Linux Consultant / Developer
tel;cell:11-9949-1040
url:http://www.fsndobrasil.com
version:2.1
end:vcard

Re: Ethernet devide enumeration problems

[Aslan Carlos]

Hi,

I've this problems too, but I was using initrd to load many modules to
work with AoE, I can't change the interface using udev :(, I use the
solution was rename the interfaces using ip command intro the initrd
after up the interfaces.

Thanks in advance,
--
Aslan Carlos de M. Ramos
Network Administrator
Mobile : +55(21)9989-4932
Skype  : aslancarlos

On Tue, 2007-08-07 at 00:28 -0300, Mauricio Silveira wrote:
> Hi,
> 
> I'm just updating this thread to post useful information.
> 
> I was unable to use ifrename to do the trick ...
> 
> I have upgraded the server to slackware 12, since the disk mirroring was 
> incomplete when slackware 12 was released, so I decided to rebuild the 
> raid array and install slackware 12 on it :)
> 
> Tuning the file "/etc/udev/rules.d/75-network-devices.rules" as needed 
> seems to solve the problem.
> I encourage everyone who uses slackware as you system to upgrade to v12 :)
> 
> Although I think samba 3.0.25b needs some "monitoring", got some strange 
> behavior from this version, downgrading brought everything back in place.
> 
> Thanks for all your help,
> 
> Mauricio
> 
> Mauricio Silveira wrote:
> > Hi all,
> >
> > I'm here asking for solutions for the Damned "Ethernet device 
> > enumeration" problem!
> >
> > I have a P5b Mobo for my office server, it has 2 integrated NICs, but 
> > the order for eth0/eth1 changes at each boot! It's getting me mad!
> >
> >
> > I'm using slackware 11.0, kernel 2.6.21.3.
> >
> > I know Suse and RHEL has a solution, but it integrates too many things 
> > to get it working under slackware.
> >
> > Any "easy"(not with so many dependencies) way?
> >
> >
> > Thanks,
> >
> > Mauricio
> 
-- 

Re: Ethernet devide enumeration problems

[George Iosif]

Hi Mauricio,

Just read the following file:

/etc/udev/rules.d/network-devices.rules

and you should get an idea of what to do with it.
If not, send another e-mail to the list.

Cheers,
George Iosif

>>> Mauricio Silveira <msilveira@linuxbr.com> 06/27/07 3:13 AM >>>
Nikolai Lusan wrote:
> On Tue, 2007-06-26 at 19:26 -0300, Mauricio Silveira wrote:
>   
>> Hi all,
>>
>> I'm here asking for solutions for the Damned "Ethernet device 
>> enumeration" problem!
>>
>> I have a P5b Mobo for my office server, it has 2 integrated NICs, but

>> the order for eth0/eth1 changes at each boot! It's getting me mad!
>>
>>
>> I'm using slackware 11.0, kernel 2.6.21.3.
>>
>> I know Suse and RHEL has a solution, but it integrates too many
things 
>> to get it working under slackware.
>>
>> Any "easy"(not with so many dependencies) way?
>>     
>
> Use udev with rules for keeping the ethernet interfaces consistant.
>
>
>   
Thanks Nikolai,

In advance, have you got any url that might be of some help?

I'm searching for this right now.

Mauricio