[CentOS] rename network card device /dev/p3p2 to /dev/eth0

[Digimer]

Check for a typo where you got the 'et0', that's not a normal name (emX, 
ethX, pXpY and wlanX are the usual).

As for a general comment/guide; make sure you've updated the 
/etc/sysconfig/network-scripts/ifcfg-X files (note the DEVICE="..." and 
HWADDR="..." lines).

Here's a general guide for renaming devices under EL6 (inc. CentOS 6.3, 
which I rename NICs under often without trouble).

digimer

On 09/27/2012 01:19 AM, KNOPS Manfred wrote:
> Hello,
>
> My name is Manfred. I have to install a flexlm license server on a pc with centos 6.3 as operating system.
> This machine contains two network cards. An Ethernet card and a wifi card.
> For the Ethernet card centos generates a device called p3p2.
> For the wifi card centos generates a device called wlan0.
>
> In this configuration the flexlm license program called lmgrd only got the mac address of wlan0.
> The vendor daemon got no mac address as host ID.
>
> Yesterday I made one test. Therefore I edited /etc/udev/rules.d/70-peristant-net.rules. This file contains only one line. This line defines how to name the device for the wifi card. I changed the name Option from name="wlan0" to name="eth0". After rebooting centos generates a device called /dev/et0. Both lmgrd and vendor daemon found the host ID. But lmgrd and safetech can't communicate together.
>
> As next I will try to rename /dev/p3p2 which is the device for the Ethernet card. I guess, if I can generate a device called /dev/eth0 for the Ethernet card the license server should work. But in /etc/udev/rules.d/70-persitant-net.rules is no rule for this device.
>
> How can I configure centos to generate /dev/eth0  for the Ethernet card?
>
> Mit freundlichen Grüßen / Best Regards / Cordialement,
>
> Manfred
>
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Digimer
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