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Re: How to change NIC alias?

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Hello,

I think it's easier done graphically from the network or by running redhat-config-network from the terminal. You can edit the interfaces name from here, knowing which is which. But you have to be clearly with this cos if you don't do it well, the NICs won't start up.

Another option is by editing the /etc/sysconfig/network-scripts for the ifcfg-* for the changes you want to make.

The last option (which I have not tested) is to edit the ifconfig-eth* files themselves. The eth* name is always there and I think the mac address too. The location of the files are /etc/sysconfig/networking/devices/* and /etc/sysconfig/networking/profiles/default/*. The ifconfig-eth* must be the same in both for it work.

Thank you and BR,

Mobolaji
/etc/sysconfig/network-scripts

----- Original Message ----- From: <redhat-install-list-request@xxxxxxxxxx>
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Sent: Friday, December 29, 2006 9:00 AM
Subject: Redhat-install-list Digest, Vol 34, Issue 23


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Today's Topics:

  1. Re: Re:installing kernel.2.6.9-42.ELsmp on RHEL 4 64Bit
     (Rick Stevens)
  2. How to change NIC alias? (Linux Man)
  3. RE: How to change NIC alias? (Patrick Rowe)
  4. Re: How to change NIC alias? (Kenneth Tindle)
  5. Re: How to change NIC alias? (Rick Stevens)
  6. Re: How to change NIC alias? (Maxim Veksler)
  7. Re: How to change NIC alias? (Rick Stevens)
  8. Re: How to change NIC alias? (Maxim Veksler)
  9. Sam Peng/USA/FOXCONN is out of the office. (sam.peng@xxxxxxxxxxx)


----------------------------------------------------------------------

Message: 1
Date: Thu, 28 Dec 2006 09:13:26 -0800
From: Rick Stevens <rstevens@xxxxxxxxxxxxxxx>
Subject: Re: Re:installing kernel.2.6.9-42.ELsmp on RHEL 4 64Bit
To: Getting started with Red Hat Linux
<redhat-install-list@xxxxxxxxxx>
Message-ID: <1167326006.26788.1.camel@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>
Content-Type: text/plain

On Thu, 2006-12-28 at 08:50 -0800, Mobolaji.Osinuga@xxxxxxxxxxxxxxxxx
wrote:
Hello,

Did you update your boot parameters? I mean the grub.conf to reflect the new kernel. If this was not done automatically, it will still be loading the old
kernel.

You can try uname -a to check the kernel loaded.

Actually, "uname -r" displays JUST the kernel version.  "uname -a"
displays everything.

And again, unless you do the "make modules_install;make install", the
new kernel will NOT be installed.


Many thanks and BR,

Mobolaji
----- Original Message ----- From: <redhat-install-list-request@xxxxxxxxxx>
To: <redhat-install-list@xxxxxxxxxx>
Sent: Wednesday, December 27, 2006 9:00 AM
Subject: Redhat-install-list Digest, Vol 34, Issue 21


> Send Redhat-install-list mailing list submissions to
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> Today's Topics:
>
>   1. installing kernel.2.6.9-42.ELsmp on RHEL 4 64Bit
>      (Sujitkumar Shirkar)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Wed, 27 Dec 2006 14:53:57 +0000
> From: "Sujitkumar Shirkar" <sujitkumar_shirkar@xxxxxxxxxxx>
> Subject: installing kernel.2.6.9-42.ELsmp on RHEL 4 64Bit
> To: redhat-install-list@xxxxxxxxxx
> Message-ID: <BAY125-F226FE5B2571A92E7BA2D9CF9C00@xxxxxxx>
> Content-Type: text/plain; format=flowed
>
> Hello All
>
> we are installing Mellox Infiniband (IB) card in our new Linux server
> running with RHEL4 64 bit OS with kernel 2.6.9-33ELsmp
>
> the new IB card requries new kernel 2.6.9-42.ELsmp, any link from > where i
> can download it
>
> Well i managed to download kernel-2.6.9-42.EL.src.rpm from web, i used
> following commands to update my kernel but it not showing me at boot
> prompt
>
>
> can you guys advise me on how to update kernel to install IB card in it
>
> i did following commands
>
> # rpm -ivh kernel-2.6.9-42.EL.src.rpm
>
> # rpmbuild -bp --target $(uname -m) kernel-2.6.spec
>
> # cd /usr/src/redhat/BUILD/kernel-2.6.9/linux-2.6.9/
>
> # make menuconfig
>
> # enabled IB support and saved the config
>
> # make
>
> # reboot
>
> after reboot i was not able to see updated kernel in my boot prompt any
> help? where i am making mistake?
>
> Please send me step by step kernel update procedure in this case.
>
> Waiting for your reply
>
> Sujitkumar Shirkar
> Muumbai - India
>
> _________________________________________________________________
> Want to know what your favourite stars are up to? Catch the latest > gossip
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> Bollywood on MSN Entertainment!
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>
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----------------------------------------------------------------------
- Rick Stevens, Senior Systems Engineer     rstevens@xxxxxxxxxxxxxxx -
- VitalStream, Inc.                       http://www.vitalstream.com -
-                                                                    -
-  Any sufficiently advanced technology is indistinguishable from a  -
-                              rigged demo.                          -
----------------------------------------------------------------------



------------------------------

Message: 2
Date: Thu, 28 Dec 2006 19:04:49 -0200
From: "Linux Man" <linuxman.uru@xxxxxxxxx>
Subject: How to change NIC alias?
To: redhat-install-list@xxxxxxxxxx
Message-ID:
<cd66ad610612281304w602f15d5kac14283600bc2744@xxxxxxxxxxxxxx>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed

Hello all.
I'm installing over a PC with 3 ethernet cards, one onboard
(gigabit) and the another two discrete PCI.
During installation I have no choice to control who will be eth0, eth1
and eth2, but I need that eth0 be the onboard ethernet.
In the end of the installation, it turned out to be one of the
discrete ethernet eth0.
I need to change that alias, so that the actual eth0 become eth1 and vice versa.
Thanks a lot



------------------------------

Message: 3
Date: Thu, 28 Dec 2006 16:14:15 -0500
From: "Patrick Rowe" <ptrowe@xxxxxxxxxxxxx>
Subject: RE: How to change NIC alias?
To: "'Getting started with Red Hat Linux'"
<redhat-install-list@xxxxxxxxxx>
Message-ID: <002601c72ac5$21b01420$9f01a8c0@xxxxxxxxxxxxxxxxx>
Content-Type: text/plain; charset="us-ascii"

One Fail safe way is to take the add on cards out and do a config. Onboard
will be eth0. Add second card and do config, it will be eth1.
etc

Patrick Rowe
Buyers Edge
567 Vauxhall St Ext
Suite 207
Waterford, CT 06375


-----Original Message-----
From: redhat-install-list-bounces@xxxxxxxxxx
[mailto:redhat-install-list-bounces@xxxxxxxxxx] On Behalf Of Linux Man
Sent: Thursday, December 28, 2006 4:05 PM
To: redhat-install-list@xxxxxxxxxx
Subject: How to change NIC alias?

Hello all.
I'm installing over a PC with 3 ethernet cards, one onboard
(gigabit) and the another two discrete PCI.
During installation I have no choice to control who will be eth0, eth1
and eth2, but I need that eth0 be the onboard ethernet.
In the end of the installation, it turned out to be one of the
discrete ethernet eth0.
I need to change that alias, so that the actual eth0 become eth1 and vice
versa.
Thanks a lot

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------------------------------

Message: 4
Date: Thu, 28 Dec 2006 16:41:08 -0500
From: Kenneth Tindle <ktindle@xxxxxxx>
Subject: Re: How to change NIC alias?
To: Getting started with Red Hat Linux
<redhat-install-list@xxxxxxxxxx>
Message-ID: <459439F4.9050303@xxxxxxx>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed

man nameif

"name interface"
/sbin/nameif



------------------------------

Message: 5
Date: Thu, 28 Dec 2006 13:50:20 -0800
From: Rick Stevens <rstevens@xxxxxxxxxxxxxxx>
Subject: Re: How to change NIC alias?
To: Getting started with Red Hat Linux
<redhat-install-list@xxxxxxxxxx>
Message-ID: <1167342620.26788.18.camel@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>
Content-Type: text/plain

On Thu, 2006-12-28 at 19:04 -0200, Linux Man wrote:
Hello all.
I'm installing over a PC with 3 ethernet cards, one onboard
(gigabit) and the another two discrete PCI.
During installation I have no choice to control who will be eth0, eth1
and eth2, but I need that eth0 be the onboard ethernet.
In the end of the installation, it turned out to be one of the
discrete ethernet eth0.
I need to change that alias, so that the actual eth0 become eth1 and vice versa.
Thanks a lot

You can add the "HWADDR=" clause to
the /etc/sysconfig/network-scripts/ifcfg-ethX file to force binding to
a specific name.


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----------------------------------------------------------------------
- Rick Stevens, Senior Systems Engineer     rstevens@xxxxxxxxxxxxxxx -
- VitalStream, Inc.                       http://www.vitalstream.com -
-                                                                    -
-       "I'd explain it to you, but your brain might explode."       -
----------------------------------------------------------------------



------------------------------

Message: 6
Date: Thu, 28 Dec 2006 23:52:34 +0200
From: "Maxim Veksler" <hq4ever@xxxxxxxxx>
Subject: Re: How to change NIC alias?
To: "Getting started with Red Hat Linux"
<redhat-install-list@xxxxxxxxxx>
Message-ID:
<b400c69a0612281352w7eb56942s7fffc1d94bb579a5@xxxxxxxxxxxxxx>
Content-Type: text/plain; charset=UTF-8; format=flowed

On 12/28/06, Kenneth Tindle <ktindle@xxxxxxx> wrote:
man nameif

"name interface"
/sbin/nameif


Doesn't redhat use udev already?
If so it's quite simple (man udev)

--
Cheers,
Maxim Veksler

"Free as in Freedom" - Do u GNU ?



------------------------------

Message: 7
Date: Thu, 28 Dec 2006 14:42:31 -0800
From: Rick Stevens <rstevens@xxxxxxxxxxxxxxx>
Subject: Re: How to change NIC alias?
To: Getting started with Red Hat Linux
<redhat-install-list@xxxxxxxxxx>
Message-ID: <1167345751.26788.31.camel@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>
Content-Type: text/plain

On Thu, 2006-12-28 at 23:52 +0200, Maxim Veksler wrote:
On 12/28/06, Kenneth Tindle <ktindle@xxxxxxx> wrote:
> man nameif
>
> "name interface"
> /sbin/nameif
>

Doesn't redhat use udev already?
If so it's quite simple (man udev)

It's not that the device isn't detected, it's that the system is
renaming it.  Often different kernels will scan the PCI bus differently
and the names will change.  I hit this with two kernels with minor rev
changes on a single Dell 2850.  Even the same kernel run on two slightly
different hardware platforms will cause issues.   A Dell 2850 scans the
motherboard first, then the PCI bus.  A Dell 1850 will scan the PCI bus
first, THEN the motherboard.  Sheesh!  Consistency, please!

The most reliable method to tie an interface name to a specific NIC is
to either create an /etc/mactab file with the entries in it, e.g.:

eth0 aa:bb:cc:dd:ee:ff
eth1 gg:hh:ii:jj:kk:ll

or add the "MACADDR=aa:bb:cc:dd:ee:ff" line to the ifcfg-ethX file
involved.  Of the two, I prefer the second one ("MACADDR=").  One less
thing to look at (if you have a problem with NIC naming, check the
network config files instead of something in /etc).  But then, I'm a
lazy cuss!  :-)
----------------------------------------------------------------------
- Rick Stevens, Senior Systems Engineer     rstevens@xxxxxxxxxxxxxxx -
- VitalStream, Inc.                       http://www.vitalstream.com -
-                                                                    -
-   I haven't lost my mind.  It's backed up on tape somewhere, but   -
-                       probably not recoverable.                    -
----------------------------------------------------------------------



------------------------------

Message: 8
Date: Fri, 29 Dec 2006 00:53:01 +0200
From: "Maxim Veksler" <hq4ever@xxxxxxxxx>
Subject: Re: How to change NIC alias?
To: "Getting started with Red Hat Linux"
<redhat-install-list@xxxxxxxxxx>
Message-ID:
<b400c69a0612281453v6d4e52cbs1e8c34d08d02368@xxxxxxxxxxxxxx>
Content-Type: text/plain; charset=UTF-8; format=flowed

On 12/29/06, Rick Stevens <rstevens@xxxxxxxxxxxxxxx> wrote:
On Thu, 2006-12-28 at 23:52 +0200, Maxim Veksler wrote:
> On 12/28/06, Kenneth Tindle <ktindle@xxxxxxx> wrote:
> > man nameif
> >
> > "name interface"
> > /sbin/nameif
> >
>
> Doesn't redhat use udev already?
> If so it's quite simple (man udev)

It's not that the device isn't detected, it's that the system is
renaming it.  Often different kernels will scan the PCI bus differently
and the names will change.  I hit this with two kernels with minor rev
changes on a single Dell 2850.  Even the same kernel run on two slightly
different hardware platforms will cause issues.   A Dell 2850 scans the
motherboard first, then the PCI bus.  A Dell 1850 will scan the PCI bus
first, THEN the motherboard.  Sheesh!  Consistency, please!

The most reliable method to tie an interface name to a specific NIC is
to either create an /etc/mactab file with the entries in it, e.g.:

        eth0    aa:bb:cc:dd:ee:ff
        eth1    gg:hh:ii:jj:kk:ll

or add the "MACADDR=aa:bb:cc:dd:ee:ff" line to the ifcfg-ethX file
involved.  Of the two, I prefer the second one ("MACADDR=").  One less
thing to look at (if you have a problem with NIC naming, check the
network config files instead of something in /etc).  But then, I'm a
lazy cuss!  :-)
----------------------------------------------------------------------
- Rick Stevens, Senior Systems Engineer     rstevens@xxxxxxxxxxxxxxx -
- VitalStream, Inc.                       http://www.vitalstream.com -
-                                                                    -
-   I haven't lost my mind.  It's backed up on tape somewhere, but   -
-                       probably not recoverable.                    -
----------------------------------------------------------------------

Part of what udev does is deciding on the name for the mentioned device.
Please this thread as reference
http://thread.gmane.org/gmane.linux.region.israel/28055/focus=28069

--
Cheers,
Maxim Veksler

"Free as in Freedom" - Do u GNU ?



------------------------------

Message: 9
Date: Fri, 29 Dec 2006 01:00:44 -0600
From: sam.peng@xxxxxxxxxxx
Subject: Sam Peng/USA/FOXCONN is out of the office.
To: redhat-install-list@xxxxxxxxxx
Message-ID:
<OF8C667784.E1C13609-ON86257253.00268513-86257253.00268513@xxxxxxxxxxxxxxxxxxx>

Content-Type: text/plain; charset=us-ascii

I will be out of the office starting 12/26/2006 and will not return until 01/03/2007.

I will be out of office during 12/26 to 1/3. I may not access my mail. If there is any production support need, please contact Allen Lin or my manager, Charies Lin.







my backup Allen Lin : Allen-yp-lin@xxxxxxxxxxx



my manager Charies Lin : Charies.zs.lin@xxxxxxxxxxx





Regards,

Sam Peng



Foxconn CMMSG NA IT - Fullerton, CA

US Office# 17145253688*8124 , VoIP# 520-8124

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IM: sjpeng@xxxxxxxxxxx












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