[Bug 1688032] Re: systemd-resolved DHCP: does not change DNS servers

[Aleksandr Panzin]

Adding additional DNS servers via NetworkManager config - also has 0
effect on `systemd-resolve --status`

DNS Domains are changed, though.

Here is systemd-resolve --status:
Global
         DNS Servers: 8.8.8.8
                      8.8.4.4
                      2001:4860:4860::8888
                      2001:4860:4860::8844
          DNS Domain: ***.lan
                      ***.com
                      ***.prod
                      ***.grid
                      ***.com

Here is the contents of /var/lib/dhcp/dhclient.leases:

lease {
  interface "wlp3s0";
  fixed-address 172.29.232.71;
  option subnet-mask 255.255.255.0;
  option routers 172.29.232.1;
  option dhcp-lease-time 14400;
  option dhcp-message-type 5;
  option domain-name-servers 172.29.156.110,172.31.11.233,172.31.11.235;
  option dhcp-server-identifier 172.29.156.110;
  option domain-search "***.lan.", "***.com.", "***.prod.", "***.grid.", "***.com.";
  option dhcp-renewal-time 7200;
  option dhcp-rebinding-time 12600;
  option domain-name "***.lan";
  renew 3 2017/05/03 15:55:39;
  rebind 3 2017/05/03 15:55:39;
  expire 3 2017/05/03 15:55:39;
}
lease {
  interface "wlp3s0";
  fixed-address 172.29.232.71;
  option subnet-mask 255.255.255.0;
  option routers 172.29.232.1;
  option dhcp-lease-time 300;
  option dhcp-message-type 5;
  option domain-name-servers 172.29.156.110,172.31.11.233,172.31.11.235;
  option dhcp-server-identifier 172.29.156.110;
  option domain-search "***.lan.", "***.com.", "***.prod.", "***.grid.", "***.com.";
  option dhcp-renewal-time 150;
  option dhcp-rebinding-time 259;
  option domain-name "***.lan";
  renew 3 2017/05/03 15:58:08;
  rebind 3 2017/05/03 16:00:08;
  expire 3 2017/05/03 16:00:49;
}
lease {
  interface "wlp3s0";
  fixed-address 172.29.232.71;
  option subnet-mask 255.255.255.0;
  option routers 172.29.232.1;
  option dhcp-lease-time 14400;
  option dhcp-message-type 5;
  option domain-name-servers 172.29.156.110,172.31.11.233,172.31.11.235;
  option dhcp-server-identifier 172.29.156.110;
  option domain-search "***.lan.", "***.com.", "***.prod.", "***.grid.", "***.com.";
  option dhcp-renewal-time 7200;
  option dhcp-rebinding-time 12600;
  option domain-name "***.lan";
  renew 3 2017/05/03 17:41:59;
  rebind 3 2017/05/03 19:28:08;
  expire 3 2017/05/03 19:58:08;
}

Here is the contents of the network manager config file:

cat /etc/NetworkManager/system-connections/CORP 
[connection]
id=CORP
type=wifi
interface-name=wlp3s0
permissions=
secondaries=
timestamp=1493827494

[wifi]
mac-address=
mac-address-blacklist=
mac-address-randomization=0
mode=infrastructure
seen-bssids=
ssid=CORP

[wifi-security]
group=
key-mgmt=wpa-eap
pairwise=
proto=

[802-1x]
altsubject-matches=
ca-cert=/usr/local/share/ca-certificates/ROOTCA-SUBCA/ROOT.cer
eap=peap;
identity=
password-flags=1
phase2-altsubject-matches=
phase2-auth=mschapv2

[ipv4]
dns=172.29.156.110;172.31.11.233;172.31.11.235;
dns-search=
method=auto

[ipv6]
addr-gen-mode=stable-privacy
dns-search=
ip6-privacy=0
method=auto

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https://bugs.launchpad.net/bugs/1688032

Title:
  systemd-resolved DHCP: does not change DNS servers

Status in systemd package in Ubuntu:
  New

Bug description:
  When I connect to Corporate WiFi(Enterprise PEAP with certificate,
  MSCHAPv2) and acquire a DHCP lease, the DNS servers are never changed
  by systemd-resolved from Google's servers.

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