Description of problem: When ever the NetworkManager is being started, it will erase all manually set DNS addresses. Version-Release number of selected component (if applicable): NetworkManager-0.7.0.99-3.fc11.x86_64 How reproducible: Always. Steps to Reproduce: 1. Set your ethernet device IP-address and DNS manually via system-config-network; 2. Save your network settings; 3. Check content of /etc/resolv.conf; 4. Restart NetworkManager; 5. Check again content of /etc/resolv.conf; Actual results: /etc/resolv.conf file after system-config-network: [root@ragana ~]# cat /etc/resolv.conf # Generated by NetworkManager # No nameservers found; try putting DNS servers into your # ifcfg files in /etc/sysconfig/network-scripts like so: # # DNS1=xxx.xxx.xxx.xxx # DNS2=xxx.xxx.xxx.xxx # DOMAIN=lab.foo.com bar.foo.com nameserver 194.204.0.1 nameserver 194.204.22.2 [root@ragana ~]# /etc/resolv.conf file after next run of NetworkManager: [root@ragana ~]# /etc/init.d/NetworkManager restart Stopping NetworkManager daemon: [ OK ] Setting network parameters... [ OK ] Starting NetworkManager daemon: [ OK ] You have new mail in /var/spool/mail/root [root@ragana ~]# cat /etc/resolv.conf # Generated by NetworkManager # No nameservers found; try putting DNS servers into your # ifcfg files in /etc/sysconfig/network-scripts like so: # # DNS1=xxx.xxx.xxx.xxx # DNS2=xxx.xxx.xxx.xxx # DOMAIN=lab.foo.com bar.foo.com [root@ragana ~]# Expected results: /etc/resolf.conf file should have DNS servers listed even after NetworkManager being started. Additional info:
This bug has been triaged. -- Fedora Bugzappers volunteer triage team https://fedoraproject.org/wiki/BugZappers
Have you let NetworkManager connect to that network? What's the contents of /etc/sysconfig/network-scripts/ifcfg-eth0? The DNS servers need to be in the ifcfg file as well, which I believe system-config-network will do. If they are in the ifcfg file correctly, NM should pick them up when activating that connection, and place them into /etc/resolv.conf. However, when NM is running but your eth0 *isn't* connected, of course /etc/resolv.conf will be blank because you can't get to those nameservers anyway. When you see NM writing out a blank resolv.conf, can you also provide the output of the 'nm-tool' command so we can see what the network state is at that point?
[ivo@ragana ~]$ cat /etc/sysconfig/network-scripts/ifcfg-eth0 # nVidia Corporation MCP78S [GeForce 8200] Ethernet DEVICE=eth0 HWADDR=00:23:54:d3:c5:2c ONBOOT=yes BOOTPROTO=none NETMASK=255.255.255.0 GATEWAY=192.168.4.33 TYPE=Ethernet IPADDR=192.168.4.15 USERCTL=yes PEERDNS=yes IPV6INIT=no NM_CONTROLLED=yes [ivo@ragana ~]$ [ivo@ragana ~]$ nm-tool NetworkManager Tool State: connected - Device: eth0 [System eth0] -------------------------------------------------- Type: Wired Driver: forcedeth State: connected Default: yes HW Address: 00:23:54:D3:C5:2C Capabilities: Carrier Detect: yes Speed: 100 Mb/s Wired Properties Carrier: on IPv4 Settings: Address: 192.168.4.15 Prefix: 24 (255.255.255.0) Gateway: 192.168.4.33 [ivo@ragana ~]$ I've entered all DNS addresses into sysytem-config-network. Why it does not enter those into proper ifcfg files, I do not know. But it does put those into resolv.conf.
Yeah, so that's more of a system-config-network vs. NM interaction issue; I maintain that /etc/resolv.conf cannot be the canonical source of DNS information since it needs to get changed (even when you're not using NM, for stuff like VPN connections, dialup, etc). Thus, I tend to think that if you enter DNS information into system-config-network, that it should add DNS1/DNS2/DNS3 to each of the ifcfg files in its profile as appropriate. Thoughts, Harald? Then, we need the ifup to use those static DNS servers if present in the ifcfg, like it already does in ifup-ppp. Thoughts on that Bill?
IIRC, ifup-post will handle DNS1/DNS2 fine as long as PEERDNS != no.
*** Bug 492496 has been marked as a duplicate of this bug. ***
This bug appears to have been reported against 'rawhide' during the Fedora 11 development cycle. Changing version to '11'. More information and reason for this action is here: http://fedoraproject.org/wiki/BugZappers/HouseKeeping
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Fedora 11 changed to end-of-life (EOL) status on 2010-06-25. Fedora 11 is no longer maintained, which means that it will not receive any further security or bug fix updates. As a result we are closing this bug. If you can reproduce this bug against a currently maintained version of Fedora please feel free to reopen this bug against that version. Thank you for reporting this bug and we are sorry it could not be fixed.