Gentoo Archives: gentoo-dev

From: Mike Gilbert <floppym@g.o>
To: gentoo-dev@l.g.o
Subject: Re: [gentoo-dev] call for testers: udev predictable network interface names
Date: Wed, 16 Jan 2013 16:26:09
Message-Id: CAJ0EP40PjWWQxYtjnBoP7DXA6rBCztKEiA9kM_4raLrG-YOemA@mail.gmail.com
In Reply to: Re: [gentoo-dev] call for testers: udev predictable network interface names by Tobias Klausmann
1 On Wed, Jan 16, 2013 at 10:19 AM, Tobias Klausmann <klausman@g.o> wrote:
2 > Hi!
3 >
4 > On Tue, 15 Jan 2013, Greg KH wrote:
5 >> So anyone who relies on network names right now to be deterministic, and
6 >> you have more than one network device in your system, should seriously
7 >> reconsider how they are naming their devices, as it will not work if you
8 >> only rely on the kernel.
9 >>
10 >> You might have gotten "lucky" for the past 5 years, but you never know
11 >> what could happen if you reboot today. Seriously, I've seen it happen
12 >> all the time.
13 >
14 > It has been rather nifty that if I walk up to a random machine
15 > with exactly one NIC (that I've been asked to examine/fix), I
16 > _know_ that there will be eth0 and only that.
17 >
18 > OTOH, maybe it's a good idea to make admins do "ip link sh" and
19 > "ip addr sh" every time they examine a new computer -- it goes a
20 > long way to root out wrong assumptions in that field.
21 >
22 > Regards,
23 > Tobias
24 >
25 > PS: Do not use ifconfig. Ever. Except if there's no iproute. And
26 > then you should only use ifconfig to enable downloading of
27 > iproute :)
28 >
29
30 I would actually like to see iproute2 added to the system set.

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