Remote VPN is pfSense 2.3.2 >From syslog, expurgated (but not tampered with, no real secrets here):
:: Here's the WiFi coming up (showing local LAN) :: Nov 23 19:06:41 rukbat dhclient[2169]: DHCPACK of 192.168.33.117 from 192.168.33.1 Nov 23 19:06:41 rukbat NetworkManager[1216]: <info> [1479881201.2161] address 192.168.33.117 Nov 23 19:06:41 rukbat NetworkManager[1216]: <info> [1479881201.2161] plen 24 (255.255.255.0) ... Nov 23 19:06:41 rukbat NetworkManager[1216]: <info> [1479881201.2161] nameserver '192.168.33.1' ... Nov 23 19:06:41 rukbat NetworkManager[1216]: <info> [1479881201.2162] dhcp4 (wlo1): state changed unknown -> bound ... Nov 23 19:06:41 rukbat systemd-resolved[1282]: Switching to system DNS server 127.0.1.1. ... :: Then here is the VPN coming up for the FIRST time :: .. Nov 23 19:06:45 rukbat NetworkManager[1216]: <info> [1479881205.3847] audit: op="connection-activate" uuid="b53b592d-724d-44bf-a2c4-b7fe818add43" name="Berlin VPN" pid=1979 uid=1000 result="success" Nov 23 19:06:45 rukbat NetworkManager[1216]: <info> [1479881205.3893] vpn-connection[0x55cd7969d200,b53b592d-724d-44bf-a2c4-b7fe818add43,"Berlin VPN",0]: Started the VPN service, PID 2379 Nov 23 19:06:45 rukbat NetworkManager[1216]: <info> [1479881205.3952] vpn-connection[0x55cd7969d200,b53b592d-724d-44bf-a2c4-b7fe818add43,"Berlin VPN",0]: Saw the service appear; activating connection .. Nov 23 19:06:57 rukbat NetworkManager[1216]: <info> [1479881217.9795] dns-mgr: Writing DNS information to /sbin/resolvconf Nov 23 19:06:57 rukbat dnsmasq[2179]: setting upstream servers from DBus Nov 23 19:06:57 rukbat dnsmasq[2179]: using nameserver 192.168.33.1#53(via wlo1) Nov 23 19:06:57 rukbat dnsmasq[2179]: using nameserver fd00::a96:d7ff:feb9:dbe7#53(via wlo1) Nov 23 19:06:57 rukbat dnsmasq[2179]: using nameserver 192.168.68.1#53 for domain csl Nov 23 19:06:57 rukbat dnsmasq[2179]: using nameserver 192.168.68.1#53 for domain 26.70.168.192.in-addr.arpa Nov 23 19:06:57 rukbat dnsmasq[2179]: using nameserver 192.168.68.1#53 for domain 68.168.192.in-addr.arpa Nov 23 19:06:57 rukbat dnsmasq[2179]: using nameserver 192.168.68.1#53 for domain 70.168.192.in-addr.arpa ... Nov 23 19:07:04 rukbat systemd-timesyncd[990]: Synchronized to time server 91.189.91.157:123 (ntp.ubuntu.com). Nov 23 19:07:04 rukbat systemd-resolved[1282]: Using degraded feature set (UDP) for DNS server 127.0.1.1. :: Now I disconnect from the VPN :: Nov 23 19:07:18 rukbat NetworkManager[1216]: <info> [1479881238.8632] audit: op="connection-deactivate" uuid="b53b592d-724d-44bf-a2c4-b7fe818add43" name="Berlin VPN" pid=1979 uid=1000 result="success" Nov 23 19:07:18 rukbat NetworkManager[1216]: <info> [1479881238.8635] dns-mgr: Writing DNS information to /sbin/resolvconf Nov 23 19:07:18 rukbat dnsmasq[2179]: setting upstream servers from DBus Nov 23 19:07:18 rukbat dnsmasq[2179]: using nameserver 192.168.33.1#53(via wlo1) ... Nov 23 19:07:23 rukbat NetworkManager[1216]: nm-openvpn[2379] <info> openvpn[2382] exited with success Nov 23 19:07:23 rukbat nm-dispatcher: req:2 'down' [tun0]: start running ordered scripts... :: And now reconnecting again :: Nov 23 19:07:27 rukbat NetworkManager[1216]: <info> [1479881247.5836] audit: op="connection-activate" uuid="b53b592d-724d-44bf-a2c4-b7fe818add43" name="Berlin VPN" pid=1979 uid=1000 result="success" ... Nov 23 19:07:34 rukbat NetworkManager[1216]: <info> [1479881254.6596] dns-mgr: Writing DNS information to /sbin/resolvconf Nov 23 19:07:34 rukbat dnsmasq[2179]: setting upstream servers from DBus Nov 23 19:07:34 rukbat dnsmasq[2179]: using nameserver 192.168.33.1#53(via wlo1) Nov 23 19:07:34 rukbat dnsmasq[2179]: using nameserver fd00::a96:d7ff:feb9:dbe7#53(via wlo1) Nov 23 19:07:34 rukbat dnsmasq[2179]: using nameserver 192.168.68.1#53 for domain csl Nov 23 19:07:34 rukbat dnsmasq[2179]: using nameserver 192.168.68.1#53 for domain 26.70.168.192.in-addr.arpa Nov 23 19:07:34 rukbat dnsmasq[2179]: using nameserver 192.168.68.1#53 for domain 68.168.192.in-addr.arpa Nov 23 19:07:34 rukbat dnsmasq[2179]: using nameserver 192.168.68.1#53 for domain 70.168.192.in-addr.arpa ... Nov 23 19:07:34 rukbat NetworkManager[1216]: <info> [1479881254.7035] device (tun0): Activation: successful, device activated. I know I've left quite a bit out but none of it appears to be DNS related - and my point is that there is no obvious difference between syslog entries for the first and second connections. ** Tags added: network-manager openvpn -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to network-manager in Ubuntu. https://bugs.launchpad.net/bugs/1644098 Title: Network Manager + OpenVPN does not respond to DNS server change on second connection attempt Status in network-manager package in Ubuntu: New Bug description: Scenario: Discovered on Kubuntu 16.10, upgraded from a fresh install of 16.04. While I only have the one computer to test with, the 16.10 is definitely relevant (I did not have this problem on 16.04) but I can't tell if the upgrade is part of it, (the upgrade may or may not be relevant). Have "full time" wired or wireless connection (does not matter which used) Part time OpenVPN connection set up via NetworkManager. Steps to reproduce 1. Fresh boot 2. ping a device on the VPN network (eg amachine.remotelan ) Result: "ping: amachine.remotelan: Name or service not known" 3. Connect to the VPN service via Network Manager. 4. ping amachine.remotelan - result: PING amachine.remotelan (192.168.68.44) 56(84) bytes of data. 64 bytes from amachine.remotelan (192.168.68.44): icmp_seq=1 ttl=127 time=7.75 ms 5. Disconnect from the VPN service again. ping result again "ping: amachine.remotelan: Name or service not known" 6. Reconnect to the VPN again, and ping again Observed: "ping: amachine.remotelan: Name or service not known" However "ping 192.168.68.44" responds successfully as expected Expected: PING ... 192.168.... 64 bytes from .. etc to the ping by name --------------- Further info I'm going to add in a subsequent comment. (just annotating syslog right now!) 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