F19: how to name interface, persistently

Sam Varshavchik mrsam at courier-mta.com
Tue Dec 31 04:20:37 UTC 2013

Sean Darcy writes:

> On F19 how do I create persistent rules for ethernet interfaces?
>> cat /etc/udev/rules.d/70-persistent-net.rules
>> # This file was automatically generated by the /lib/udev/write_net_rules
>> # program, run by the persistent-net-generator.rules rules file.
>> #
>> # You can modify it, as long as you keep each rule on a single
>> # line, and change only the value of the NAME= key.
>> # PCI device 0x14e4:0x1693 (tg3) (custom name provided by external tool)
>> SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="00:1d: 
>> 72:05:4a:68", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="eth*",  
>> NAME="eth0"
>> # USB device 0x0bda:0x8150 (usb)
>> SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="00:e0:4c: 
>> 03:07:ba", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="eth*", NAME="eth1"
> But they are switched
> :
>  ifconfig
> eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
>         inet 10.10.xxx.xxx  netmask  broadcast
>         inet6 fe80::2e0:4cff:fe03:7ba  prefixlen 64  scopeid 0x20<link>
>         ether 00:e0:4c:03:07:ba  txqueuelen 1000  (Ethernet)
>        .............................
> eth1: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
>         inet 24.xxx.xxx.xxx  netmask  broadcast 24.xxx.xxx.xxx
>         inet6 fe80::21d:72ff:fe05:4a68  prefixlen 64  scopeid 0x20<link>
>         ether 00:1d:72:05:4a:68  txqueuelen 1000  (Ethernet)

You can't give KERNEL device "eth*" the NAME "eth"-something. Won't work.  
Or, at least, won't work reliably.

What does work reliably is giving KERNEL device "eth*" the NAME "other"- 

If one of your ports in a WAN port, and the other one is a LAN port, why  
don't you name them wan0 and lan0? The rules that I have:

… KERNEL=="eth*", NAME="wan0"


… KERNEL=="eth*", NAME="lan0"

That worked just as well for my purposes, and actually makes more sense.

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