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UdevdRenamedNetworkInterfaceEth0ToEm1

Main.UdevdRenamedNetworkInterfaceEth0ToEm1 History

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August 06, 2012, at 11:30 PM by 115.241.93.148 -
Changed lines 5-6 from:
The release of Fedora 15 has changed the network device naming scheme from ethX to a physical location-based name for easy identification and use.
to:
The release of Fedora 15 has changed the network device naming scheme from ethX to a physical location-based name for easy identification and use.

!!dmesg |grep -i network
Changed lines 17-18 from:
Benefit to Fedora
to:
!!Benefit to Fedora
Added lines 35-36:

!!ifconfig -a em1
August 06, 2012, at 11:29 PM by 115.241.93.148 -
Added lines 19-31:

!!/etc/sysconfig/network-scripts

[@
[root@localhost network-scripts]# cat ifcfg-em1
UUID="8dbdb3dc-be3a-4c9c-a8d6-a07cacf84f9a"
NM_CONTROLLED="yes"
HWADDR="00:08:74:22:5C:61"
BOOTPROTO="dhcp"
DEVICE="em1"
ONBOOT="no"
[root@localhost network-scripts]#
@]
August 06, 2012, at 11:26 PM by 115.241.93.148 -
Added lines 21-31:

[@
[root@localhost ~]# ifconfig -a em1
em1: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500
ether 00:08:74:22:5c:61 txqueuelen 1000 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
device interrupt 11 base 0x2c00
@]
August 06, 2012, at 11:24 PM by 115.241.93.148 -
Added lines 1-24:
(:Google1:)
(:Googletxt:)
----

The release of Fedora 15 has changed the network device naming scheme from ethX to a physical location-based name for easy identification and use.

[@
[fedora@localhost ~]$ dmesg |grep -i network
[ 1.920925] Initializing network drop monitor service
[ 20.728565] udevd[418]: renamed network interface eth0 to em1
[fedora@localhost ~]$
@]

Reference : http://fedoraproject.org/wiki/Features/ConsistentNetworkDeviceNaming

Benefit to Fedora

System Administrators can then use BIOS-provided names, which are consistent and not arbitrarily named, for their network ports. This eliminates the confusion that non-deterministic naming brings, and eliminates the use of hard-coded MAC address based port renaming which a) is racy and error-prone, and b) introduces state into an otherwise stateless system.

This change affects most desktop, notebook, and server-class systems.

System Administrators may disable this feature by passing "biosdevname=0" on the kernel command line.

(:Googlemm:)
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Page last modified on August 06, 2012, at 11:30 PM