On 12-12-2020 14:15, Antony Stone wrote: > Hi. > > I've just installed a couple of Beowulf systems, each of which has three > ethernet interfaces; one on the motherboard, and two on a PCI card. > > I'm trying to work out how to give those interfaces the names I want; the > motherboard as eth0, and the PCI card as eth1 / eth2. > > Historically, I've been used to udev and /etc/udev/rules.d/70-persistent- > net.rules doing this, where I can specify the name I want for each interface > according to its MAC address. > > The file didn't exist (although the directory did) on my Beowulf system, so I > created one with the appropriate contents, and I now get messages while the > kernel is booting: > > udevd[441]: Error changing net interface name eth2 to eth0: File exists > udevd[441]: could not rename interface '4' from 'eth2' to 'eth0': File exists > udevd[438]: Error changing net interface name eth1 to eth2: File exists > udevd[438]: could not rename interface '3' from 'eth1' to 'eth2': File exists > udevd[445]: Error changing net interface name eth0 to eth1: File exists > udevd[445]: could not rename interface '2' from 'eth0' to 'eth1': File exists > > I've followed the entire thread on this list from July 2018 about this, which > I've found _some_ of in the archives at > https://lists.dyne.org/lurker/message/20180715.200323.7a2473a2.en.html > however > that link shows only a very small proportion of the emails in the discussion > for some reason (I have my own local copy in my mail client). > > According to https://wiki.debian.org/NetworkInterfaceNames the old 70- > persistent-net.rules system _should_ still work in Buster / Beowulf, but I > can't work out how to get it to do so. > > I _have_ tried adding "net.ifnames=0" to the kernel boot line; this makes no > difference. > > So: > > 1. how can I get 70-persistent-net.rules to carry on working under Beowulf? > > 2. what's the "correct" way to get my interfaces named the way I want, > according to their MAC addresses, under Beowulf? > > (The above Debian wiki document indicates that Buster is the last release > which will continue to support this, so I'm assuming I'll need to do > something > else for Chimaera; what is it?) > > > Thanks, > > > Antony. > From what I understand after some research you need a additional /etc/udev/rules.d/10-network.rules as follow:
|SUBSYSTEM=="net", ATTR{address}=="90:e6:ba:01:00:01", NAME="eth0"
SUBSYSTEM=="net", ATTR{address}=="90:e6:ba:01:00:02", NAME="eth1"|
||SUBSYSTEM=="net", ATTR{address}=="90:e6:ba:01:20:01", NAME="eth2" Hope
this helps. Grtz Nick | |
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