Bug#788670: systemd: resolved ignores DNS-entry in /etc/systemd/network/ and in /etc/network/interfaces

[Andreas Glaeser]

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Package: systemd
Version: 215-17+deb8u1
Severity: minor

Dear Maintainer,

I tried to set a different dns-resolver than the default gateway, but failed:

> root at s55:/home/andrew# cat /etc/systemd/network/dns.network
> [MATCH]
> Name=eth1
> HOST=s55
> 
> [NETWORK]
> DNS=192.168.0.108
> root at s55:/home/andrew# ifconfig
> eth1      Link encap:Ethernet  HWaddr 00:19:99:60:9d:e1  
>           inet addr:192.168.0.60  Bcast:192.168.0.255  Mask:255.255.255.0
>           inet6 addr: fd00:bc14:17f:f212:219:99ff:fe60:9de1/64 Scope:Global
>           inet6 addr: 2a02:8109:9ac0:2354:219:99ff:fe60:9de1/64 Scope:Global
>           inet6 addr: fe80::219:99ff:fe60:9de1/64 Scope:Link
>           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>           RX packets:10441 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:3623 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:1000 
>           RX bytes:12507078 (11.9 MiB)  TX bytes:390711 (381.5 KiB)
> 
> lo        Link encap:Local Loopback  
>           inet addr:127.0.0.1  Mask:255.0.0.0
>           inet6 addr: ::1/128 Scope:Host
>           UP LOOPBACK RUNNING  MTU:65536  Metric:1
>           RX packets:2131 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:2131 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:0 
>           RX bytes:378311 (369.4 KiB)  TX bytes:378311 (369.4 KiB)
> 
> root at s55:/home/andrew# cat /etc/network/interfaces
> # This file describes the network interfaces available on your system
> # and how to activate them. For more information, see interfaces(5).
> 
> # The loopback network interface
> auto lo 
> 
> iface lo inet loopback
> 
> # The primary network interface
> 
> auto eth1
> 
> allow-hotplug eth1
> 
> #iface eth0 inet manual
> 
> iface eth1 inet static
> 	address 192.168.0.60
> 	netmask 255.255.255.0
> 	gateway 192.168.0.1
> #	dns-nameservers 192.168.0.108	#handled by systemd
> 	
> #
> #auto eth2
> #
> #allow-hoplug eth2
> #
> #iface eth2 inet dhcp
> #	netmask 255.255.255.0
> #	gateway	192.168.0.1
> #
> 
> root at s55:/home/andrew# cat /etc/resolv.conf 
> nameserver 2a02:8109:9ac0:2354::1

That's still the IP6-representation of the default gateway.
This really should be configurable.


- - -- Package-specific info:

- - -- System Information:
Debian Release: 8.1
  APT prefers stable-updates
  APT policy: (500, 'stable-updates'), (500, 'stable')
Architecture: amd64 (x86_64)

Kernel: Linux 3.16.7-ckt11-aedl (SMP w/2 CPU cores; PREEMPT)
Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages systemd depends on:
ii  acl             2.2.52-2
ii  adduser         3.113+nmu3
ii  initscripts     2.88dsf-59
ii  libacl1         2.2.52-2
ii  libaudit1       1:2.4-1+b1
ii  libblkid1       2.25.2-6
ii  libc6           2.19-18
ii  libcap2         1:2.24-8
ii  libcap2-bin     1:2.24-8
ii  libcryptsetup4  2:1.6.6-5
ii  libgcrypt20     1.6.3-2
ii  libkmod2        18-3
ii  liblzma5        5.1.1alpha+20120614-2+b3
ii  libpam0g        1.1.8-3.1
ii  libselinux1     2.3-2
ii  libsystemd0     215-17+deb8u1
ii  mount           2.25.2-6
ii  sysv-rc         2.88dsf-59
ii  udev            215-17+deb8u1
ii  util-linux      2.25.2-6

Versions of packages systemd recommends:
ii  dbus            1.8.18-0+deb8u1
ii  libpam-systemd  215-17+deb8u1

Versions of packages systemd suggests:
ii  systemd-ui  3-2

- - -- Configuration Files:
/etc/systemd/resolved.conf changed:
[Resolve]
DNS=192.168.0.108


- - -- no debconf information
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