Gentoo Archives: gentoo-user

From: Neil Bothwick <neil@××××××××××.uk>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] dummy0 network interface
Date: Wed, 05 Mar 2014 09:35:54
Message-Id: 20140305093543.32629518@digimed.co.uk
In Reply to: [gentoo-user] dummy0 network interface by Raffaele BELARDI
1 On Wed, 5 Mar 2014 10:28:09 +0100, Raffaele BELARDI wrote:
2
3 > After a recent world update I have a new network interface in addition
4 > to 'lo' and the real network interface ('eth0', now named 'enp1s4'):
5
6 "a recent world update" means nothing to us, it coud have included
7 anything.
8
9 > # ifconfig dummy0
10 > dummy0: flags=195<UP,BROADCAST,RUNNING,NOARP> mtu 1500
11 > ether 2e:a2:4b:cb:f2:3f txqueuelen 0 (Ethernet)
12 > RX packets 0 bytes 0 (0.0 B)
13 > RX errors 0 dropped 0 overruns 0 frame 0
14 > TX packets 51 bytes 19992 (19.5 KiB)
15 > TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
16
17 > Does anybody know where this dummy0 interface comes from?
18 > Can I (or should I) disable or remove it?
19
20 It's nothing to do with udev, it is a kernel feature, enabled by
21 CONFIG_DUMMY. You can disable it if you wish, or build it as a module in
22 which case the interface will not appear until you modprobe it.
23
24
25 --
26 Neil Bothwick
27
28 C&W music backward: get yer dog, wife, job, truck, kids, and sobriety
29 back.

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