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<H1>[Mageia-dev] network interface renaming not working anymore</H1>
<B>Colin Guthrie</B>
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TITLE="[Mageia-dev] network interface renaming not working anymore">mageia at colin.guthr.ie
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<I>Thu Aug 16 21:58:31 CEST 2012</I>
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<PRE>'Twas brillig, and Christiaan Welvaart at 16/08/12 20:30 did gyre and
gimble:
><i> hi,
</I>><i>
</I>><i> When I finally rebooted a cauldron system that acts as a router, it
</I>><i> turned out the network interfaces eth0 and eth1 were switched, exposing
</I>><i> "internal" services to the outside world and leaving me without internet
</I>><i> access. Syslog contains:
</I>><i> Aug 15 22:48:29 zem systemd-udevd[404]: error changing net interface
</I>><i> name eth0 to eth1: File exists
</I>><i> Aug 15 22:48:29 zem systemd-udevd[404]: error changing net interface
</I>><i> name eth1 to eth0: File exists
</I>><i>
</I>><i> Of course this has worked for years, so it breaking is not something
</I>><i> anyone would expect. It also seems to be unneeded. After some looking
</I>><i> around I could (temporarily) fix it quite easily by adding:
</I>><i> ifrename -i eth0 -n rename0
</I>><i> ifrename -i eth1 -n rename1
</I>><i> ifrename -i rename0
</I>><i> ifrename -i rename1
</I>><i> to /etc/init.d/network and describing the mapping in /etc/iftab . So now
</I>><i> I have two questions:
</I>><i> - Has anyone else seen this?
</I>><i> - What change is causing this: kernel, udev/systemd, or something else?
</I>><i>
</I>><i> The network devices use the same driver so there is no other way to
</I>><i> distinguish them than by MAC address or PCI ID.
</I>
Yeah this is no longer supported upstream as it was apparently very
hacky. Last time I asked Kay about it, there was something else to
replace it but I've not followed up what that is recently. I'll ask him
again next time we're chatting.
Cheers
Col
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Colin Guthrie
colin(at)mageia.org
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